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Academic literature on the topic 'Radiation Effects Analysi'

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Published: 14 March 2023

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Journal articles on the topic "Radiation Effects Analysi"

1

Gore, J. P., U. S. Ip, and Y. R. Sivathanu. "Coupled Structure and Radiation Analysis of Acetylene/Air Flames." Journal of Heat Transfer 114, no. 2 (May 1, 1992): 487–93. http://dx.doi.org/10.1115/1.2911299.

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A coupled radiation-structure analysis of turbulent, non-premixed, strongly radiating acetylene/air flames is described. The analysis extends the laminar flamelet concept to include the effects of local radiative heat loss/gain. A new method for the calculation of the radiative source term is presented. New measurements of mean and fluctuating emission temperatures and radiation intensities, and previous data concerning flame structure are used to evaluate the predictions. Results show good agreement between measurements and predictions of flame structure similar to past uncoupled calculations. The mean emission temperatures and the mean visible radiation intensities are substantially underpredicted by the uncoupled analysis. The coupled calculations provide reasonable estimates of both quantities.
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Chiang, Ren-Tai. "Analysis of Radiation Interactions and Biological Effects for Boron Neutron Capture Therapy." ASEAN Journal on Science and Technology for Development 35, no. 3 (December 24, 2018): 203–7. http://dx.doi.org/10.29037/ajstd.535.

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The direct and indirect ionizing radiation sources for boron neutron capture therapy (BNCT)are identi?ed. The mechanisms of physical, chemical and biological radiation interactions for BNCT are systematically described and analyzed. The relationship between the effect of biological radiation and radiation dose are illustrated and analyzed for BNCT. If the DNAs in chromosomes are damaged by ion- izing radiations, the instructions that control the cell function and reproduction are also damaged. This radiation damage may be reparable, irreparable, or incorrectly repaired. The irreparable damage can result in cell death at next mitosis while incorrectly repaired damage can result in mutation. Cell death leads to variable degrees of tissue dysfunction, which can affect the whole organism’s functions. Can- cer cells cannot live without oxygen and nutrients via the blood supply. A cancer tumor can be shrunk by damaging angiogenic factors and/or capillaries via ionizing radiations to decrease blood supply into the cancer tumor. The collisions between ionizing radiations and the target nuclei and the absorption of the ultraviolet, visible light, infrared and microwaves from bremsstrahlung in the tumor can heat up and damage cancer cells and function as thermotherapy. The cancer cells are more chemically and biologically sensitive at the BNCT-induced higher temperatures since free-radical-induced chemical re- actions are more random and vigorous at higher temperatures after irradiation, and consequently the cancer cells are harder to divide or even survive due to more cell DNA damage. BNCT is demonstrated via a recent clinical trial that it is quite effective in treating recurrent nasopharyngeal cancer.
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Vicquelin, R., Y. F. Zhang, O. Gicquel, and J. Taine. "Effects of radiation in turbulent channel flow: analysis of coupled direct numerical simulations." Journal of Fluid Mechanics 753 (July 25, 2014): 360–401. http://dx.doi.org/10.1017/jfm.2014.368.

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AbstractThe role of radiative energy transfer in turbulent boundary layers is carefully analysed, focusing on the effect on temperature fluctuations and turbulent heat flux. The study is based on direct numerical simulations (DNS) of channel flows with hot and cold walls coupled to a Monte-Carlo method to compute the field of radiative power. In the conditions studied, the structure of the boundary layers is strongly modified by radiation. Temperature fluctuations and turbulent heat flux are reduced, and new radiative terms appear in their respective balance equations. It is shown that they counteract turbulence production terms. These effects are analysed under different conditions of Reynolds number and wall temperature. It is shown that collapsing of wall-scaled profiles is not efficient when radiation is considered. This drawback is corrected by the introduction of a radiation-based scaling. Finally, the significant impact of radiation on turbulent heat transfer is studied in terms of the turbulent Prandtl number. A model for this quantity, based on the new proposed scaling, is developed and validated.
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Atashafrooz, M., and SA Gandjalikhan Nassab. "Simulation of three-dimensional laminar forced convection flow of a radiating gas over an inclined backward-facing step in a duct under bleeding condition." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 227, no. 2 (May 17, 2012): 332–45. http://dx.doi.org/10.1177/0954406212447657.

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This study presents a numerical analysis of three-dimensional laminar forced convection flow of a radiating gas over an inclined backward-facing step in a rectangular duct under bleeding condition. The fluid is treated as a gray, absorbing, emitting, and scattering medium. The three-dimensional Cartesian coordinate system is used to solve the governing equations which are the conservations of mass, momentum, and energy. These equations are solved numerically using the computational fluid dynamic techniques to obtain the temperature and velocity fields, while the blocked-off method is employed to simulate the incline surface. Discretized forms of these equations are obtained by the finite volume method and solved using the SIMPLE algorithm. Since the gas is considered as a radiating medium, besides the convective and conductive terms in the energy equation, the radiative term also presented. For computation of this term, the radiative transfer equation is solved numerically by the discrete ordinates method to find the divergence of radiative heat flux distribution inside the radiating medium. By this numerical procedure, the role of radiation heat transfer on convection flow of a radiating gas which has many engineering applications (for example in heat exchangers and combustion chambers) is studied in detail. Beside, the effects of bleeding coefficient, albedo coefficient, optical thickness, and the radiation–conduction parameter on heat transfer behavior of the system are investigated. Comparison of numerical results with the available data published in the open literature shows a good agreement.
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Damm, David L., and Andrei G. Fedorov. "Spectral Radiative Heat Transfer Analysis of the Planar SOFC." Journal of Fuel Cell Science and Technology 2, no. 4 (April 5, 2005): 258–62. http://dx.doi.org/10.1115/1.2041667.

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Thermo-mechanical failure of components in planar-type solid oxide fuel cells (SOFCs) depends strongly on the local temperature gradients at the interfaces of different materials. Therefore, it is of paramount importance to accurately predict the temperature fields within the stack, especially near the interfaces. Because of elevated operating temperatures (of the order of 1000K or even higher), radiation heat transfer could become a dominant mode of heat transfer in the SOFCs. In this study, we extend our recent work on radiative effects in solid oxide fuel cells [J. Power Sources, 124, No. 2, pp. 453–458] by accounting for the spectral dependence of the radiative properties of the electrolyte material. The measurements of spectral radiative properties of the polycrystalline yttria-stabilized zirconia electrolyte we performed indicate that an optically thin approximation can be used for treatment of radiative heat transfer. To this end, the Schuster–Schwartzchild two-flux approximation is used to solve the radiative transfer equation for the spectral radiative heat flux, which is then integrated over the entire spectrum using an N-band approximation to obtain the total heat flux due to thermal radiation. The divergence of the total radiative heat flux is then incorporated as a heat sink into a three-dimensional thermo-fluid model of a SOFC through the user-defined function utility in the commercial FLUENT computational fluid dynamics software. The results of sample calculations are reported and compared against the base line cases when no radiation effects are included and when the spectrally gray approximation is used for treatment of radiative heat transfer.
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Liu, Dalong, Xiaowei Jia, and Wenqin Wang. "Comparative analysis of simulation of urban radiation field." MATEC Web of Conferences 282 (2019): 02026. http://dx.doi.org/10.1051/matecconf/201928202026.

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In order to compare the differences between various outdoor environmental simulation software in the urban radiation field, ENVI-met, RayMan and SOLWEIG were selected as the research objects. The multiple types of urban radiation intensities that can be obtained by each software are compared, and the calculation method of types of these radiations was analyzed. Effects of underlying surface on the radiation field were simulated separately. The differences in radiation field performance simulations of three softwares were compared from several aspects such as short wave, direct radiation and reflected radiation. It is found that Rayman has the high sensitivity and fast simulation speed, but the output radiation parameters are less; ENVI-met can calculate the most radiation parameters and calculate the long-short wave radiation heat transfer process between building surfaces; the SOLWEIG can be used for simulation in large outdoor space, and has more calculated radiation parameters, but has large error. All three softwares can calculate the effect of space enclosure on direct and scattered radiation.
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Burleyson, Casey D., Charles N. Long, and Jennifer M. Comstock. "Quantifying Diurnal Cloud Radiative Effects by Cloud Type in the Tropical Western Pacific." Journal of Applied Meteorology and Climatology 54, no. 6 (June 2015): 1297–312. http://dx.doi.org/10.1175/jamc-d-14-0288.1.

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AbstractCloud radiative effects are examined using long-term datasets collected at the U.S. Department of Energy’s three Atmospheric Radiation Measurement Program Climate Research Facilities in the tropical western Pacific Ocean. The surface radiation budget, cloud populations, and cloud radiative effects are quantified by partitioning the data by cloud type, time of day, and large-scale modes of variability such as El Niño–Southern Oscillation (ENSO) phase and wet/dry seasons at Darwin, Australia. The novel aspect of this analysis is the breakdown of aggregate cloud radiative effects by cloud type across the diurnal cycle. The Nauru Island (Republic of Nauru) cloud populations and subsequently the surface radiation budget are strongly impacted by ENSO variability, whereas the cloud populations over Manus Island (Papua New Guinea) shift only slightly in response to changes in ENSO phase. The Darwin site exhibits large seasonal monsoon-related variations. When present, deeper convective clouds have a strong influence on the amount of radiation that reaches the surface. Their limited frequency reduces their aggregate radiative impact, however. The largest source of shortwave cloud radiative effects at all three sites comes from low clouds. The observations are used to demonstrate that potential model biases in the amplitude of the diurnal cycle and mean cloud frequency would lead to larger errors in the surface energy budget when compared with biases in the timing of the diurnal cycle of cloud frequency. These results provide solid benchmarks to evaluate model simulations of cloud radiative effects in the tropics.
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Anwar Beg, O., J. Zueco, H. S. Takhar, and T. A. Beg´. "Network Numerical Simulation of Impulsively-Started Transient Radiation-Convection Heat and Mass Transfer in a Saturated Darcy-Forchheimer Porous Medium." Nonlinear Analysis: Modelling and Control 13, no. 3 (July 25, 2008): 281–303. http://dx.doi.org/10.15388/na.2008.13.3.14558.

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We study the effects of thermal radiation and porous drag forces on the natural convection heat and mass transfer of a viscous, incompressible, gray, absorbingemmitting fluid flowing past an impulsively started moving vertical plate adjacent to a non-Darcian porous regime. The governing boundary-layer equations are formulated in an (X∗, Y∗, t∗) coordinate system with appropriate boundary conditions. The Rosseland diffusion approximation is employed to analyze the radiative heat flux and is appropriate for non-scattering media. The model is non-dimensionalized and solved with the network simulation model. We study the influence of Prandtl number, radiation-conduction parameter, thermal Grashof number, species Grashof number, Schmidt number, Darcy number and Forchheimer number on the dimensionless velocity, temperature and species function distributions. Additionally we compute the variation of the local skin friction, Nusselt number and Sherwood number for selected thermophysical parameters. Increasing Darcy number is seen to accelerate the flow; the converse is apparent for an increase in Forchheimer number. Thermal radiation is seen to reduce both velocity and temperature in the boundary layer. The interactive effects of second order porous drag and thermal radiation are also considered. The model finds applications in solar energy collection systems, porous combustors, transport in fires in porous media (forest fires) and also the design of high temperature chemical process systems.
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Ayash, Tarek, Sunling Gong, and Charles Q. Jia. "Direct and Indirect Shortwave Radiative Effects of Sea Salt Aerosols." Journal of Climate 21, no. 13 (July 1, 2008): 3207–20. http://dx.doi.org/10.1175/2007jcli2063.1.

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Abstract Sea salt aerosols play a dual role in affecting the atmospheric radiative balance. Directly, sea salt particles scatter the incoming solar radiation and absorb the outgoing terrestrial radiation. By acting as cloud condensation nuclei, sea salt aerosols indirectly modulate the atmospheric radiative budget through their effective contribution to cloud formation. Using the Canadian Aerosol Module (CAM)–Canadian Centre for Climate Modelling and Analysis (CCCma) GCM, version 3 (GCM3) framework, the direct as well as the indirect shortwave (SW) radiative effects of sea salt aerosols are simulated. The model results herein suggest that sea salt aerosols exert a significant direct radiative effect over oceanic regions, with seasonal means in the range from −2 to −3 W m−2 over the Southern Ocean. Globally, sea salt’s SW indirect effect (annual mean −0.38 W m−2) is found to be less than its direct effect (annual mean −0.65 W m−2). However, sea salt’s indirect effect is found to be far stronger over the Southern Hemisphere than over the Northern Hemisphere, especially over the Southern Ocean with seasonal means around −4 W m−2, which exceed its direct effect. The model results herein suggest that sea salt aerosols significantly modulate the atmospheric radiation budget over oceanic regions and need to be accounted for in global climate models.
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Zhan, Yueying, Jianhua He, Fei Wang, and Liqian Wang. "Analysis and testing of total ionizing dose effect on several commercial optical transceivers via gamma-ray radiation." Chinese Optics Letters 17, no. 5 (2019): 052302. http://dx.doi.org/10.3788/col201917.052302.

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Dissertations / Theses on the topic "Radiation Effects Analysi"

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CAMPOS, ISIDA M. A. de. "Dosimetria biologica citogenetica em protecao radiologica .Analise de aberracoes cromossomicas radioinduzidas em linfocitos humanos." reponame:Repositório Institucional do IPEN, 1988. http://repositorio.ipen.br:8080/xmlui/handle/123456789/9913.

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IPEN/D
Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
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SOUZA, MARIA D. C. A. de. "Identificacao, quantificacao e comparacao das substancias quimicas responsaveis pelos aromas da cachaca de alambique e do rum comercial tratados pelo processo de irradiacao." reponame:Repositório Institucional do IPEN, 2006. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11381.

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IPEN/T
Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
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3

Le, Roux Jacques. "The analysis of radiation-induced micronuclei in peripheral blood lymphocytes for purpose of biological dosimetry." Master's thesis, University of Cape Town, 1995. http://hdl.handle.net/11427/27038.

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In the investigation of radiation accidents, it is of great importance to estimate the dose absorbed by exposed persons in order to plan their therapy. Although occasionally in these situations physical dose measurements are possible, most often biological methods are required for dose estimation. The aim of this investigation was to assess the suitability of the cytokinesis blocked (CB) micronucleus assay as a biodosimetric method using lymphocytes irradiated in vivo. The approach adopted to achieve this was to estimate whole body doses by relating micronuclei yields in patients undergoing radiotherapy treatment with an in vitro radiation dose-response curve. These biologically derived estimates were then compared with the corresponding doses obtained by physical measurement and calculation. As a first approach a study was performed of the in vitro dose-response of gamma-ray induced micronuclei following cytokinesis-block in the lymphocytes of peripheral blood samples obtained from 4 healthy donors. The results indicated that the distribution of the induced micronuclei were overdispersed. Furthermore, a linear dose-response relationship was established when a curve was fitted to the data by an iteratively reweighted least squares method. By means of an analysis of covariance it was demonstrated that this result is in agreement with the dose-response relationships found by various other workers (Fenech et al., 1985; Fenech et al., 1986; Fenech et al., 1989; Balasem et al., 1992, and Slabbert, 1993). To assess the suitability and accuracy of dose assessment using the CB micronucleus assay for in vivo exposure of lymphocytes, blood samples obtained from 8 patients undergoing radiotherapy before, during and after treatment were examined. The physical doses of these patients were determined according to conventional radiation treatment plans and cumulative dose-volume histograms. The dose-volume histograms permitted calculation of integral doses and subsequently the estimate of equivalent whole-body doses. The results of the CB micronucleus assay applied to peripheral blood lymphocytes of 6 patients undergoing fractionated partial-body irradiation showed a dose-related increase in micronucleus frequency in each of the patients studied. This demonstrated that micronuclei analysis may serve as a quantitative biological measure of such exposures. The pooled data of these patients compared to the pooled data of the healthy donors show that there was no statistically significant difference between in vitro and in vivo results, however a slightly lower induced micronuclei frequency was observed after in vivo exposure. When the biological dose estimates for equivalent whole-body doses obtained from the in vitro dose response curve were compared with calculated physical doses, it was found that: biologically estimated dose = 0.936 physical dose. However, there was inadequate statistical evidence to discard the hypothesis that the gradient of the equation was equal to one. Therefore, the analysis of micronuclei induced in lymphocytes in vivo yields highly quantitative information on the equivalent whole-body dose. The negative binomial method was used for analysing the micronucleus data from two patients who received single, relatively larger tumour doses of 10 Gy each, with the objective to obtain estimates of the exposed body fraction and the dose to this fraction. The dose estimates to the irradiated volume were found to be within 30% of the physical tumour dose. The irradiated volume estimates seemed to be higher than the physically calculated volumes but by discarding the correction for the loss of cells due to interphase death the agreement was good between the physically and biologically determined integral doses. This study has revealed that the CB micronucleus assay appears to offer a reliable, consistent and relatively rapid biological method of whole body dose estimation. It is recognised that further corroborative work using the techniques described in this thesis is required for estimating localized exposure.
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SILVA, MURILO C. da. "Estudo das interacoes dos produtos de radiolise da agua com a miotoxina do veneno de Crotalus durissus terrificus." reponame:Repositório Institucional do IPEN, 2008. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11763.

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IPEN/T
Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
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Faraud, Emeric. "Développement et applications de techniques laser impulsionnelles pour l'analyse de défaillance des circuits intégrés." Thesis, Bordeaux 1, 2012. http://www.theses.fr/2012BOR14677/document.

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Les techniques de localisation de défauts basées sur la stimulation laser restent aujourd'hui les techniques parmi les plus avancées qui existent. Elles permettent la stimulation thermique ou photoélectrique de façon très localisée sans contact physique. Les travaux dans ce mémoire sont consacrés au développement et à l’application de techniques d'analyse par faisceau laser impulsionnelles destinées à l'analyse des circuits intégrés. Le développement matériel et les investigations de méthodologies d'analyse ont été portés par la motivation du projet MADISON (Méthodes d’Analyse de Défaillances Innovantes par Stimulation Optique dyNamique), qui a pour but d'augmenter le taux de succès des analyses des circuits complexes VLSI par stimulation laser. L'utilisation de systèmes optiques très performants comprenant des sources laser impulsionnelles fibrées nous a permis d'explorer les capacités en termes d'analyse par stimulation laser photoélectrique impulsionelle. Une étude originale de l’étude du phénomène Latchup a montré une augmentation de la résolution latérale avec l'utilisation du processus d’absorption non linéaire
The fault location based on laser stimulation are now among the most advanced available techniques. They allow thermal or photoelectric stimulation localized without physical contact.This Ph.D works was devoted to the development and application of techniques using pulsed laser for integrated circuits’ analyses.Material development and investigation of analysis methodologies have been held by the motivation of the MADISON project (Methods of Analysis of Failures by Innovative Dynamic Optical Stimulation), which aims to increase the success rate analysis of complex circuits VLSI by laser stimulation.We used high-performance optical systems including fibered pulsed laser sources to explore the capabilities in terms of analysis by photoelectric laser stimulation. An original study of the Latchup phenomenon showed an improving lateral resolution by using nonlinear absorption process
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Walsh, Linda. "Quantifications of the detrimental health effects of ionising radiation." Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/quantifications-of-the-detrimental-healtheffects-of-ionising-radiation(6b69e1c9-9c3d-486a-ac2c-908763b01a3a).html.

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A body of work and ensuing publications covering 2000–2012 are presented, predominantly concerning studies of various cohorts of people exposed to ionising radiation. The major areas cover epidemiological and statistical studies on the Life span study (LSS) cohort of Japanese survivors of the World War II atomic-bomb attacks on Hiroshima and Nagasaki and the mortality follow-up of German uranium miners. Following the presentation of a very brief history of the effects of radiation exposure on humans, the background and context of the advances achieved by the candidate are described. The LSS provides the most studied cohort and a range of topics from cancer risks related to neutron and γ-ray doses, organ specific doses, and carcinogenesis have been explored covering about half of the candidate’s publications. The cohort of German “Wismut” uranium miners exposed to radon and other potential carcinogens, which is the largest one of its kind, has enabled the development of epidemiological models for lung and extra-pulmonary cancers. The third distinct topic relates to analyses of data on cellular radiation damage relevant to the evaluation of both diagnostic radiation characteristics and the effects on cancer patients. Other studies have considered the incidence of malignant diseases in humans injected with radium-224 and development of epidemiological models for thyroid cancer risk in areas affected by the 1986 Chernobyl accident. Fundamental contributions have been published in the application of mathematical methods for data analysis. The candidate has succeeded in going beyond the traditional statistical methods in radiation epidemiology by introduction of numerical techniques deriving from the field of information science and novel to the field. These methods, such as techniques for model selection and mitigation of strongly correlated quantities, have been presented as general tools and have demonstrated powerful results, such as in applications to data from LSS. The impact and relevance for public health of the epidemiological results is indicated by their frequent citation in recent reports by international bodies such as by the International Commission on Radiological Protection, the United Nations Scientific Committee on the Effects of Atomic Radiation, the World Health Organization (WHO) and WHO-International Agency for Research on Cancer.Several topics, from among this broad coverage of radiation epidemiological themes, the development of novel statistical techniques and their application, are highlighted. Work on distinguishing the effect of neutrons and γ-rays in the Japanese LSS data has led to progress on quantifying their relative biological effectiveness with important consequences for the health effects of modern radiation diagnostics. A technique for combining risks from several risk models, called multi-model inference, has been shown to ease the dilemma of selecting between models with very different consequences, with particular relevance for major issues of public health concern connected with radiation exposure. The Wismut cohort has revealed for the first time the response characteristics of a significant effect of working underground on prostate cancer incidence, suggesting a relation with lack of exposure to light which remains unexplained.
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LOHMANN, TANIA H. O. "Analise da radiossensibilidade de linfocitos perifericos de pacientes com cancer de pele e de individuos sadios por meio do metodo do micronucleo." reponame:Repositório Institucional do IPEN, 1995. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10424.

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IPEN/D
Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
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8

Bolin, Jennifer A. "Comparative analysis of selected radiation effects in Medium Earth Orbits." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1997. http://handle.dtic.mil/100.2/ADA341085.

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Thesis (M.S. in Astronautical Engineering) Naval Postgraduate School, December 1997.
"December 1997." Thesis advisor(s): Vicente Garcia, Brij Agrawal. Includes bibliographical references (p. 95-99). Also available online.
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Samin, Adib J. Jr. "An analysis of neutron radiation effects on NdFeB permanent magnets." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1405899609.

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Sanchez, Maria Cristina. "Optical Analysis of a Linear-Array Thermal Radiation Detector for Geostationary Earth Radiation Budget Applications." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/36536.

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The Thermal Radiation Group, a laboratory in the Department of Mechanical Engineering at Virginia Polytechnic Institute and State University, is currently working to develop a new technology for thermal radiation detectors. The Group is also studying the viability of replacing current Earth Radiation Budget radiometers with this new concept. This next-generation detector consists of a thermopile linear array thermal radiation detector. The principal objective of this research is to develop an optical model for the detector and its cavity. The model based on the Monte-Carlo ray-trace (MCRT) method, permits parametric studies to optimize the design of the detector cavity and the specification of surface optical properties. The model is realized as a FORTRAN program which permits the calculation of quantities related to the cross-talk among pixels of the detector and radiation exchange among surfaces of the cavity. An important capability of the tool is that it provides estimates of the discrete Green's function that permits partial correction for optical cross-talk among pixels of the array.
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Books on the topic "Radiation Effects Analysi"

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Craig, Venter J., and Jung Chan Y, eds. Target-size analysis of membrane proteins. New York: A.R. Liss, 1987.

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Stassinopoulos, E. G. CRRES micro--electronics package flight data analysis. [Washington, DC]: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1993.

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Stassinopoulos, E. G. CRRES micro-electronics package flight data analysis. Greenbelt, Md: Goddard Space Flight Center, 1993.

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Bolin, Jennifer A. Comparative analysis of selected radiation effects in Medium Earth Orbits. Monterey, Calif: Naval Postgraduate School, 1997.

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1930-, Czanderna Alvin Warren, Madey Theodore E, and Powell C. J, eds. Beam effects, surface topography, and depth profiling in surface analysis. New York: Plenum Press, 1998.

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N, Jamieson David, and King Philip J. C, eds. Materials analysis using a nuclear microprobe. New York: John Wiley, 1996.

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Agency, International Atomic Energy, ed. Biological dosimetry: Chromosomal aberration analysis for dose assessment. Vienna: International Atomic Energy Agency, 1986.

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C, Bartone John. Ultra-violet rays: Factors & adverse effects : medical analysis index and research bibliography. Washington, D.C: ABBE Publishers Association, 1987.

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Wood, David S. Thermistor validation and path radiance effects in ship thermal image measurements. Monterey, Calif: Naval Postgraduate School, 1991.

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M, Hardage D., and George C. Marshall Space Flight Center., eds. Spacecraft environments interactions: Space radiation and its effects on electronic systems. [Marshall Space Flight Center], Ala: National Aeronautics and Space Administration, Marshall Space Flight Center, 1999.

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Book chapters on the topic "Radiation Effects Analysi"

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Li, Xiaofan, and Shouting Gao. "Cloud Radiative Effects." In Precipitation Modeling and Quantitative Analysis, 175–207. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-2381-8_7.

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Bourrieau, J., and B. Comet. "Analysis of the Radiative Risk During Hermes Missions." In Terrestrial Space Radiation and Its Biological Effects, 97–116. Boston, MA: Springer US, 1988. http://dx.doi.org/10.1007/978-1-4613-1567-4_7.

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Li, Xiaofan, and Shouting Gao. "Microphysical and Radiative Effects of Ice Clouds." In Precipitation Modeling and Quantitative Analysis, 137–73. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-2381-8_6.

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Marco, R., I. Vernós, J. G. Jurado, M. Carratalá, and M. Calleja. "Analysis of the Involvement of the Terrestrial Space Radiation in the Microgravity Effects on Drosophila Melanogaster Development and Aging." In Terrestrial Space Radiation and Its Biological Effects, 509–16. Boston, MA: Springer US, 1988. http://dx.doi.org/10.1007/978-1-4613-1567-4_38.

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Abe, Yasuyuki, Hideaki Yamashiro, Yasushi Kino, Toshinori Oikawa, Masatoshi Suzuki, Yusuke Urushihara, Yoshikazu Kuwahara, et al. "Analysis of Ovaries and Fertilities in Domestic Animals Affected by the Fukushima Daiichi Nuclear Power Plant Accident." In Low-Dose Radiation Effects on Animals and Ecosystems, 113–23. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-8218-5_9.

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Ninomiya, Kazuhiko. "Properties of Radioactive Cs-Bearing Particles Released by the Fukushima Daiichi Nuclear Power Plant Accident and Trace Element Analysis." In Low-Dose Radiation Effects on Animals and Ecosystems, 195–204. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-8218-5_15.

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Fukuda, Tomokazu. "Preparation and Genome Analysis of Immortalized Cells Derived from Wild Macaques Affected by the Fukushima Daiichi Nuclear Power Plant Accident." In Low-Dose Radiation Effects on Animals and Ecosystems, 215–20. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-8218-5_17.

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Dieriks, B., W. De Vos, and P. Van Oostveldt. "Analysis of radiation-induced bystander effects using high content screening." In EMC 2008 14th European Microscopy Congress 1–5 September 2008, Aachen, Germany, 249–50. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-85228-5_125.

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Kučera, T., E. Franco, S. Alessandrelli, G. Lilla, G. Angelini, and M. T. Giardi. "γ-Radiation Target Analysis Reveals the Heterogeneous Nature of Photosystem 2 Functional Size in Higher Plants in vitro and in vivo." In Photosynthesis: Mechanisms and Effects, 1005–8. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-3953-3_238.

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Troyer, Greg, and Marjorie Erickson. "Empirical Analyses of Effects of the Heat Affected Zone and Post Weld Heat Treatment on Irradiation Embrittlement of Reactor Pressure Vessel Steel." In Effects of Radiation on Nuclear Materials: 26th Volume, 163–78. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959: ASTM International, 2014. http://dx.doi.org/10.1520/stp157220130097.

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Conference papers on the topic "Radiation Effects Analysi"

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Barnard, Arno, and Chijioke Nwosa. "COTS Based On-Board-Computer on South Africa's Sumbandilasat: A Radiation and In-Orbit Performance Analysis." In 2011 IEEE Radiation Effects Data Workshop. IEEE, 2011. http://dx.doi.org/10.1109/redw.2010.6062529.

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Tambara, Lucas A., Fernanda Lima Kastensmidt, Evaldo C.P.F., Odair L. Goncalez, Tiago R. Balen, Paulo C. C. de Aguirre, Ignacio Arruego, and Marcelo S. Lubaszewski. "TID in a Mixed-Signal System-on-Chip: Analog Components Analysis and Clock Frequency Influence in Propagation-Delay Degradation." In 2012 IEEE Radiation Effects Data Workshop. IEEE, 2012. http://dx.doi.org/10.1109/redw.2012.6353710.

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Mbiock, Aristide, Joan Teerling, Dirk Roekaerts, and B. Merci. "APPLICATION OF BEM AND ANALYSIS OF THE ROLE OF RADIATION EFFECTS IN LABSCALE TURBULENT DIFFUSION FLAMES." In RADIATION III. ICHMT Third International Symposium on Radiative Transfer. Connecticut: Begellhouse, 2001. http://dx.doi.org/10.1615/ichmt.2001.radiationsymp.500.

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Naraghi, Mohammad H. N., and Edmundo M. Nunes. "Effects of Gas Radiation on the Thermal Characteristics of Regeneratively Cooled Rocket Engines." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-33920.

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This paper studies the effects of radiative heat transfer on the thermal characteristics of regeneratively cooled rocket engines. A conjugated radiative, conductive and convective model is used to analyze the effects of radiative heat transfer in two regeneratively cooled rocket engines. One engine has liquid hydrogen and liquid oxygen as the propellant and liquid hydrogen as the coolant. The other engine has RP1 (a hydrocarbon fuel) and liquid oxygen as the propellant and liquid oxygen as the coolant. It is shown that gas radiation has some effect on the wall temperature of the LH2-LO2 engine and a small effect on its coolant flow characteristics. For the RP1-LO2 engine, however, gas radiation significantly increases the coolant pressure drop, temperature and Mach number. It is also shown that radiation effects must be addressed in cooling channel design, so that wall temperatures and cryogenic coolant flow temperature/pressure are at suitable levels.
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Costa, M., S. S. Merola, B. M. Vaglieco, S. Consales, and G. Formisano. "ANALYSIS OF THE EFFECT OF DIESEL ENGINE OPERATING CONDITIONS ON SOOT FORMATION BY SPECTROSCOPIC INVESTIGATION." In RADIATION III. ICHMT Third International Symposium on Radiative Transfer. Connecticut: Begellhouse, 2001. http://dx.doi.org/10.1615/ichmt.2001.radiationsymp.580.

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Wang, Jingfu, and Guoqiang Li. "Analysis of Radiation Reabsorption Effects on Flame Characteristics and NOx Emission in Laminar Flames." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-23061.

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The radiation reabsorption effects on NOx formation and flame characteristics in CH4/Air laminar flames were numerically investigated by using full chemistry mechanism and detailed transport properties. The radiative gases were treated as non-gray gas and their spectral radiative properties were evaluated by means of the statistical narrow-band model. The radiative heat transfer equation was solved by the discrete ordinate method. It was found that the reabsorption of emitting radiation leads to substantially wider flame thickness and higher flame temperature than those calculated by using the optically thin model, and the radiation reabsorption effect on the “radiation extinction limit” becomes more important. The results show that the level of NOx is predicted to be highest in the adiabatic flames, that is, flames without radiation heat loss, and that the level of NOx is predicted to be lowest in the flames by the optically thin model. In the flames by the SNB model, the predicted amount of NOx lies between these two levels. The calculated results also show that the radiation reabsorption effect on NOx formation grows stronger as the stretch rate decreases, particularly when CO2, a strong absorber, is added to the unburned gas mixture. In this study, the effectiveness and validity of the optically thin radiation model for calculating NOx formation in laminar flames was also investigated in comparison with the SNB model.
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Douhan, R. M. H., A. P. Kokhanenko, and K. A. Lozovoy. "Dark current behaviour analysis for avalanche photodiodes." In 8th International Congress on Energy Fluxes and Radiation Effects. Crossref, 2022. http://dx.doi.org/10.56761/efre2022.n4-p-052901.

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This paper deals with the results of serial of analytical calculations which have been done on an avalanche photodiode made of germanium with silicon quantum dots (QD) which has multilayers of QDs to determine its characteristics. In these calculations we focus on the main parameters that determine the performance of avalanche photodiode such as tunneling current, photosensitivity, multiplication factor, noise spectral density and avalanche noise factor. The study also compares the results of germanium silicon avalanche photodiode with other avalanche photodiodes made with different materials. The model which has been used for calculation is considered with a separated absorption and multiplication regions operation under several conditions varied between classical and Geiger mode.
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Oldham, Timothy R., Chad M. Whitney, Benjamin J. Griffiths, and Nick van Vonno. "Summary and Analysis of Neutron Displacement Damage Results." In 2018 IEEE Nuclear & Space Radiation Effects Conference (NSREC 2018). IEEE, 2018. http://dx.doi.org/10.1109/nsrec.2018.8584312.

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Murthy, Sunil, and Andrei Fedorov. "Radiation Heat Transfer Analysis of the Monolith-Type Solid Oxide Fuel Cell." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-41796.

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In this study, a modeling framework for heat and mass transport is investigated for a unit cell of the monolith type SOFC, with emphasis on quantifying the radiation heat transfer effects. The Schuster-Schwartzchild two-flux approximation is used for treating thermal radiation transport in the optically thin YSZ electrolyte, and the Rosseland radiative thermal conductivity is used to account for radiation effects in the optically thick Ni-YSZ and LSM electrodes. The thermal radiation heat transfer is coupled to the overall energy conservation equations through the divergence of the local radiative flux. A commercially available CFD software was used as a platform for the global thermal-fluid modeling of the SOFC and the radiation models were implemented through the user-defined functions. Results from sample calculations show significant changes in the operating temperatures and parameters of the SOFC with the inclusion of radiation effects.
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Yin, Hong, Mingfei Li, Zhongran Chi, Jing Ren, and Hongde Jiang. "Effect of Radiative Heat Transfer Factor on the Temperature Distribution of a First Stage Vane." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-25711.

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As the advanced heavy-duty gas turbine develops, the turbine inlet temperature and pressure have increased quite significantly to achieve better performance. The flow and heat transfer conditions of hot components including combustor and turbine become even more extreme than ever which need corresponding aerodynamic and cooling design development. The issue of combustor-turbine interaction has been proposed as a complicated research topic. Currently the hot streak, turbulence intensity, swirling flow, radiation are the four important factors for combustor-turbine interaction research according to the literature. Especially as the turbine inlet temperature increases, the radiative heat transfer plays a more and more important role. In this paper, a first stage vane is selected for the conjugate heat transfer simulation including radiative heat transfer since it is almost impossible to identify the radiative effect in experiment. The goal is to examine the effects of radiative heat flux and temperature increment caused by radiation. Several radiative factors including the inlet radiation, gas composition, vane surface emissivity and outlet reflection are investigated. The temperature distribution and heat flux enhancement under different conditions are compared, which can provide reference to the turbine heat transfer design. The general information of radiative effect can be summarized by quantitative analysis. Results show that the temperature increases obviously when considering the radiation effect as expected. However, these factors show distinct influence on the vane temperature distribution. The inlet radiation has significant impact on the vane leading edge and pressure side. Besides the gas radiation plays quite uniform on the whole vane surface.
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Reports on the topic "Radiation Effects Analysi"

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Stoller, R. E., P. M. Rice, and K. Farrell. Microstructural analysis of radiation effects. Office of Scientific and Technical Information (OSTI), October 1995. http://dx.doi.org/10.2172/223655.

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Ben-Zvi I. Analytic approximate radiation effects due to Bremsstrahlung. Office of Scientific and Technical Information (OSTI), February 2012. http://dx.doi.org/10.2172/1043997.

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Li, Yanhui. Efficacy of non-invasive photodynamic therapy for female lower reproductive tract diseases associated with HPV infection: a comprehensive meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, November 2022. http://dx.doi.org/10.37766/inplasy2022.11.0092.

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Review question / Objective: The critical point of this study was to comprehensively evaluate the curative effect of Photodynamic therapy (PDT) in diseases of female lower reproductive tract associated with the human papillomavirus (HPV) infection. Condition being studied: Traditional clinical recommendations for treating diseases of the female lower reproductive tract include topical therapy with drugs, surgery, intravaginal radiation, carbon dioxide (CO2) laser, etc. Although medication is easy to administer, it has a high recurrence rate and adverse effects such as burning sensation, pain, and dyspareunia. The other traditional treatment method is usually invasive, repeated operation of vaginal perforation, scar, easy recurrence, fertility decline, and other shortcomings. At present, the treatment strategy for cervical squamous intraepithelial lesion, vaginal squamous intraepithelial lesion, condyloma acuminatum, and vulvar lichen sclerosis are to protect the normal organ structure and function as much as possible, reduce recurrence, prevent disease progression and carcinogenesis, and preserve female reproductive function.
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Garsa, Adam, Julie K. Jang, Sangita Baxi, Christine Chen, Olamigoke Akinniranye, Owen Hall, Jody Larkin, Aneesa Motala, Sydne Newberry, and Susanne Hempel. Radiation Therapy for Brain Metasases. Agency for Healthcare Research and Quality (AHRQ), June 2021. http://dx.doi.org/10.23970/ahrqepccer242.

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Objective. This evidence report synthesizes the available evidence on radiation therapy for brain metastases. Data sources. We searched PubMed®, Embase®, Web of Science, Scopus, CINAHL®, clinicaltrials.gov, and published guidelines in July 2020; assessed independently submitted data; consulted with experts; and contacted authors. Review methods. The protocol was informed by Key Informants. The systematic review was supported by a Technical Expert Panel and is registered in PROSPERO (CRD42020168260). Two reviewers independently screened citations; data were abstracted by one reviewer and checked by an experienced reviewer. We included randomized controlled trials (RCTs) and large observational studies (for safety assessments), evaluating whole brain radiation therapy (WBRT) and stereotactic radiosurgery (SRS) alone or in combination, as initial or postoperative treatment, with or without systemic therapy for adults with brain metastases due to non-small cell lung cancer, breast cancer, or melanoma. Results. In total, 97 studies, reported in 190 publications, were identified, but the number of analyses was limited due to different intervention and comparator combinations as well as insufficient reporting of outcome data. Risk of bias varied; 25 trials were terminated early, predominantly due to poor accrual. Most studies evaluated WBRT, alone or in combination with SRS, as initial treatment; 10 RCTs reported on post-surgical interventions. The combination treatment SRS plus WBRT compared to SRS alone or WBRT alone showed no statistically significant difference in overall survival (hazard ratio [HR], 1.09; confidence interval [CI], 0.69 to 1.73; 4 RCTs; low strength of evidence [SoE]) or death due to brain metastases (relative risk [RR], 0.93; CI, 0.48 to 1.81; 3 RCTs; low SoE). Radiation therapy after surgery did not improve overall survival compared with surgery alone (HR, 0.98; CI, 0.76 to 1.26; 5 RCTs; moderate SoE). Data for quality of life, functional status, and cognitive effects were insufficient to determine effects of WBRT, SRS, or post-surgical interventions. We did not find systematic differences across interventions in serious adverse events radiation necrosis, fatigue, or seizures (all low or moderate SoE). WBRT plus systemic therapy (RR, 1.44; CI, 1.03 to 2.00; 14 studies; moderate SoE) was associated with increased risks for vomiting compared to WBRT alone. Conclusion. Despite the substantial research literature on radiation therapy, comparative effectiveness information is limited. There is a need for more data on patient-relevant outcomes such as quality of life, functional status, and cognitive effects.
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Evans, J. S. Health effects models for nuclear power plant accident consequence analysis: Low LET radiation. Office of Scientific and Technical Information (OSTI), January 1990. http://dx.doi.org/10.2172/5101368.

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Yan, Huixin, Yun An, Tao Zhao, Jiangna Zhao, and Juntao Yan. Therapeutic effect and safety of Tuina on Sciatica: A protocol for systematic review and meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, October 2021. http://dx.doi.org/10.37766/inplasy2021.10.0034.

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Review question / Objective: This study aimed to conduct a meta-analysis of Tuina in the treatment of Sciatica to clarify its efficacy and safety. Condition being studied: Sciatica is one of the common pain symptoms in the human body, also known as radiating leg pain. Sciatica is increasingly occurring due to poor posture and lack of physical exercise all over the world. At present, many studies have indicated that Tuina can improve the clinical symptoms and functional status of sciatica. However, there is currently no relevant systematic review to evaluate and report this clinical scientific issue. Consequently, this study will conduct a meta-analysis on the effectiveness and safety of Tuina therapy for sciatica.
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Abrahamson, S., M. Bender, S. Book, C. Buncher, C. Denniston, E. Gilbert, F. Hahn, V. Hertzberg, H. Maxon, and B. Scott. Health effects models for nuclear power plant accident consequence analysis: Low LET radiation: Part 2, Scientific bases for health effects models. Office of Scientific and Technical Information (OSTI), May 1989. http://dx.doi.org/10.2172/5901689.

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Abrahamson, S., M. A. Bender, B. B. Boecker, B. R. Scott, and E. S. Gilbert. Health effects models for nuclear power plant accident consequence analysis: Modifications of models resulting from recent reports on health effects of ionizing radiation. Office of Scientific and Technical Information (OSTI), August 1991. http://dx.doi.org/10.2172/6196411.

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Chang, Ke-Vin. Ultrasonography for the Diagnosis of Carpal Tunnel Syndrome: A Protocol for an Umbrella Review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, April 2022. http://dx.doi.org/10.37766/inplasy2022.4.0058.

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Review question / Objective: This meta-analysis aimed to compare the clinical effectiveness and safety between radioactive versus normal stent insertion for patients with malignant hilar obstruction. Condition being studied: Malignant hilar obstruction (MHO) is a common clinical condition that is caused by the hilar cholangiocarcinoma, gallbladder carcinoma, or hilar metastasis. Most of the patients with MHO underwent palliative biliary drainage or stening by an endoscopic or percutaneous approach until end of life. The previous studies suggested that that bilateral stent placement and the use of metal stents are superior to unilateral and plastic stents in the items of stent patency. However, bilateral stenting did not improve the patients’ overall survival (OS) because stent alone had no treatment effect on the tumors themselves. Although several treatment options, including chemotherapy, external radiation, intra-ductal brachytherapy, etc, has been used to prolong the stent patency and OS for patients with malignant biliary obstruction (MBO), intra-ductal brachytherapy using I-125 seeds has been widely used because of its persistent brachytherapeutic effect. To combine the I-125 seeds and metal stent together, many researchers have developed a radioactive stent (RS) for the patients with MBO. Many meta-analyses also confirmed that RS insertion was associated with significant longer stent patency and OS for patients with MBO when compared to normal stent (NS). However, whether RS can also provide a good effectiveness for patients with MHO is still unclear.
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Weller, Joel, Harris Lewin, Micha Ron, George Wiggans, and Paul VanRaden. A Systematic Genome Search for Genes Affecting Economic Traits Dairy Cattle with the Aid of Genetic Markers. United States Department of Agriculture, April 1999. http://dx.doi.org/10.32747/1999.7695836.bard.

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The objectives were to continue collection of semen for the US dairy bull DNA repository, to conduct a systematic search of the Holstein genome for economically significant economic trait loci (ETL), to develop and refine statistical techniques for the analysis of the data generated, and to confirm significant effects by genotyping daughters i Israel and additional US sons. One-thousand-seventy-six sons of eight US grandsires were genotyped for 174 microsatellites located on all 29 autosomes. ETL were detected for milk production traits on seven chromosomes. ETL for milk and fat yield and fat and protein percentage on BTA3 was mapped to between the markers BL41 and TGLA263. The 95% confidence interval for the ETL affecting fat percentage on BTA14 localized this ETL between the contromere and chromosome position 11 cM. This ETL was verified in the Israeli cattle population by genotyping an independent sample of cows from seven families. The radiation hybrid data for the centromeric region of BTA14 is defined by a single linkage group. Order of Type I genes within this region, CYC-FADK-TG-SQLE, is conserved between human and cattle. Thus, HSA8, the human homologue of BTA14, can be used to identify candidate genes for the ETL.
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