Relevant bibliographies by topics / Radiating surface

Academic literature on the topic 'Radiating surface'

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Published: 30 May 2022
Last updated: 31 May 2022

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Journal articles on the topic "Radiating surface"

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Bayazitoglu, Y., and T. T. Lam. "Marangoni Convection in Radiating Fluids." Journal of Heat Transfer 109, no. 3 (August 1, 1987): 717–21. http://dx.doi.org/10.1115/1.3248148.

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The onset of Marangoni convection driven by surface tension gradients in radiating fluid layers is studied. The system considered consists of a fluid layer of infinite horizontal extent which is confined between a free upper surface and a rigid isothermal lower surface. The radiative boundaries of black–black, mirror–mirror, and black–mirror are considered. The critical conditions leading to the onset of convective fluid motions in a microgravity environment are determined numerically by linear stability theory. The perturbation equations are solved as a Bolza problem in the calculus of variations. The results are presented in terms of the critical Marangoni number and optical thickness for a wide range of some radiative parameters, including the Planck number, nongrayness of the fluid, and the emissivity of the boundaries. It is found that radiation suppresses Marangoni convection during material processing in space.
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Yang, Chuan, Zongtao Zhu, and Qian Cheng. "Acoustic characteristics of standing waves in ultrasound-assisted laser–metal inert gas hybrid welding." International Journal of Modern Physics B 33, no. 01n03 (January 30, 2019): 1940028. http://dx.doi.org/10.1142/s0217979219400289.

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We propose an ultrasound-assisted laser–metal inert gas hybrid welding process, where acoustic effects are introduced by applying ultrasonic vibration in the axial direction of the arc. We studied the acoustic characteristics in the space between the acoustic radiating and reflecting surfaces. Based on a simplified two-dimensional model, we used the finite-element method to study the influence of the height and inclination of the radiating surface on the acoustic characteristics. The simulated sound pressure distribution was highly sensitive to the height and inclination of the radiating surface. The sound pressure decreased as the height of the radiating surface increased from a maximum value at the resonance height, and decreased as the inclination of radiating surface increased. Experimental results of the detachment of a water droplet from a needle were consistent with the simulation results. We simulated the distribution of the standing-wave field under different radiating concave-sphere surfaces to evaluate the acoustic focusing effects. Both experimental and simulation results for ultrasonic standing-wave levitation of plastic beads revealed the concave-sphere shape to be optimal.
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Salomatov, Vasily, Evgeniy Puzyrev, and Vladimir Salomatov. "Unsteady radiative-convective heat transfer on a radiating surface." Journal of Physics: Conference Series 395 (November 26, 2012): 012118. http://dx.doi.org/10.1088/1742-6596/395/1/012118.

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Prajapati, Pravin R., and Shailesh B. Khant. "Gain enhancement of UWB antenna using partially reflective surface." International Journal of Microwave and Wireless Technologies 10, no. 7 (March 22, 2018): 835–42. http://dx.doi.org/10.1017/s1759078718000326.

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AbstractThis paper proposes, a high gain, Fabry Perot cavity antenna with coplanar waveguide (CPW) fed ultra wide band (UWB) radiating element. The proposed antenna has flat edge arrow shape-based radiating element, which act as a main radiating element and responsible for UWB radiation. This UWB microstrip antenna is parasitically coupled with an array of square parasitic patches (PPs), which act as partially reflective surface. The square patches are fabricated at the bottom of inexpensive FR4 substrate and suspended in the air with the help of dielectric rods at 1.5λ0 height. High gain is obtained by resonating PPs at near close frequencies of 3.8–8.8 GHz UWB, where partially reflective surface gives almost positive reflection phase gradients. Two laboratory prototypes of antenna, one with and another without partially reflective surface are fabricated and tested. Details of the proposed antenna design and role of partially reflective surface in gain enhancement of planar CPW fed UWB antenna are described, and typical experimental results are presented and discussed.
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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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Yang, Doohyun, and Sangwook Nam. "Electronically beamscannable sinusoidally modulated reactance surface antenna." EPJ Applied Metamaterials 6 (2019): 13. http://dx.doi.org/10.1051/epjam/2019011.

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An electronically beamscannable sinusoidally modulated reactance surface (SMRS) antenna and its design procedure are investigated. The antenna is composed of capacitively modulated reactance surface whose profile is a sinusoidally varying form. This configuration generates a radiating leaky wave and the antenna's radiation pattern including beam angle and beamwidth can be controlled with different parameters of the modulated surface reactance of the SMRS period. A beamscanning characteristic of the capacitively modulated SMRS antenna is shown with the design procedure and the simulated results. Designed antenna was simulated using commercial EM tool and the result was well matched with the calculated main beam direction verifying the validity of design method. About 33° of beamcanning range was obtained with the center radiating angle of 45° at 9 GHz. Designed antenna showed reasonable input matching and efficiencies within beamscanning range of the antenna.
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Kulikovskiy, A. G., A. T. Il’ichev, A. P. Chugainova, and V. A. Shargatov. "On spontaneously radiating shock waves." Доклады Академии наук 487, no. 1 (July 19, 2019): 28–31. http://dx.doi.org/10.31857/s0869-5652487128-31.

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A solution representing the structure of a spontaneously radiating shock wave is constructed and its stability in the linear approximation is investigated. Linear waves of perturbations that can propagate through the structure and waves radiating into the flow region behind the structure are found, i.e. there are waves corresponding to the spontaneous radiation of perturbations by a shock wave considered as a discontinuity surface.
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Mit'ko, S. V., and V. N. Ochkin. "Dynamics of a radiating surface discharge." Journal of Russian Laser Research 17, no. 3 (May 1996): 259–85. http://dx.doi.org/10.1007/bf02066543.

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GHOSH, S. G., and D. W. DESHKAR. "NON-SPHERICAL COLLAPSE OF A RADIATING STAR." International Journal of Modern Physics D 12, no. 02 (February 2003): 317–23. http://dx.doi.org/10.1142/s0218271803002433.

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We study the junction conditions for non-spherical (plane symmetric) collapsing radiating star consisting of a shearing fluid undergoing radial heat flow with outgoing radiation. Radiation of the system is described by plane symmetric Vaidya solution. Physical quantities relating to the local conservation of momentum and surface red-shift are also obtained.
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Babaelahi, Mojtaba, and Mohammad Reza Raveshi. "Analytical efficiency analysis of aerospace radiating fin." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 228, no. 17 (March 11, 2014): 3133–40. http://dx.doi.org/10.1177/0954406214526963.

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The present article investigates heat transfer phenomenon in an aerospace radiating fin, analytically. Radiating extended surfaces are widely used to enhance heat transfer between primary surface and the environment. The performance of such a surface is significantly affected by variable thermal conductivity; especially in the case of large temperature differences happened in the actual aerospace applications. To study the effect of thermal conductivity variation, linear length-dependent function of thermal conductivity, is considered. In this study, two newest and popular analytical methods, differential transform method and optimal homotopy asymptotic method are used to evaluate the temperature profile and efficiency of radiating fin. For this purpose, after deriving and dimensionalizing the radiating fin heat transfer equation and briefly introducing these two methods, they are employed to solve the radiating fin problem. The obtained results are compared with the numerical ones to verify the accuracy of the proposed methods and choosing the better one between them, which is exclusive for this paper. Then, the effects of thermal conductivity and thermo-geometric radiating fin parameter on temperature profile and fin’s efficiency are completely discussed, which can help materials science researchers to design more compact and efficient radiating fin for using in aerospace and satellite applications.
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Dissertations / Theses on the topic "Radiating surface"

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Spadanuda, Enrica. "Surface cloud radiative forcing from broadband radiation measurements on the Antarctic plateau." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/10201/.

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Surface based measurements systems play a key role in defining the ground truth for climate modeling and satellite product validation. The Italian-French station of Concordia is operative year round since 2005 at Dome C (75°S, 123°E, 3230 m) on the East Antarctic Plateau. A Baseline Surface Radiation Network (BSRN) site was deployed and became operational since January 2006 to measure downwelling components of the radiation budget, and successively was expanded in April 2007 to measure upwelling radiation. Hence, almost a decade of measurement is now available and suitable to define a statistically significant climatology for the radiation budget of Concordia including eventual trends, by specifically assessing the effects of clouds and water vapor on SW and LW net radiation. A well known and robust clear sky-id algorithm (Long and Ackerman, 2000) has been operationally applied on downwelling SW components to identify cloud free events and to fit a parametric equation to determine clear-sky reference along the Antarctic daylight periods (September to April). A new model for surface broadband albedo has been developed in order to better describe the features the area. Then, a novel clear-sky LW parametrization, based on a-priori assumption about inversion layer structure, combined with daily and annual oscillations of the surface temperature, have been adopted and validated. The longwave based method is successively exploited to extend cloud radiative forcing studies to nighttime period (winter). Results indicated inter-annual and intra-annual warming behaviour, i.e. 13.70 W/m2 on the average, specifically approaching neutral effect in summer, when SW CRF compensates LW CRF, and warming along the rest of the year due prevalentely to CRF induced on the LW component.
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Abidin, Z. Z. "Design, modelling and implementation of antennas using electromagnetic bandgap material and defected ground planes. Surface Meshing Analysis and Genetic Algorithm Optimisation on EBG and Defected Ground Structures for Reducing the Mutual Coupling between Radiating Elements of Antenna Array and MIMO Systems." Thesis, University of Bradford, 2011. http://hdl.handle.net/10454/5385.

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The main objective of this research is to design, model and implement several antenna geometries using electromagnetic band gap (EBG) material and a defected ground plane. Several antenna applications are addressed with the aim of improving performance, particularly the mutual coupling between the elements. The EBG structures have the unique capability to prevent or assist the propagation of electromagnetic waves in a specific band of frequencies, and have been incorporated here in antenna structures to improve patterns and reduce mutual coupling in multielement arrays. A neutralization technique and defected ground plane structures have also been investigated as alternative approaches, and may be more practical in real applications. A new Uni-planar Compact EBG (UC-EBG) formed from a compact unit cell was presented, giving a stop band in the 2.4 GHz WLAN range. Dual band forms of the neutralization and defected ground plane techniques have also been developed and measured. The recorded results for all antenna configurations show good improvement in terms of the mutual coupling effect. The MIMO antenna performance with EBG, neutralization and defected ground of several wireless communication applications were analysed and evaluated. The correlation coefficient, total active reflection coefficient (TARC), channel capacity and capacity loss of the array antenna were computed and the results compared to measurements with good agreement. In addition, a computational method combining Genetic Algorithm (GA) with surface meshing code for the analysis of a 2×2 antenna arrays on EBG was developed. Here the impedance matrix resulting from the meshing analysis is manipulated by the GA process in order to find the optimal antenna and EBG operated at 2.4 GHz with the goal of targeting a specific fitness function. Furthermore, an investigation of GA on 2×2 printed slot on DGS was also done.
Ministry of Higher Education Malaysia and Universiti Tun Hussein Onn Malaysia (UTHM)
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Abidin, Zuhairiah Zainal. "Design, modelling and implementation of antennas using electromagnetic bandgap material and defected ground planes : surface meshing analysis and genetic algorithm optimisation on EBG and defected ground structures for reducing the mutual coupling between radiating elements of antenna array MIMO systems." Thesis, University of Bradford, 2011. http://hdl.handle.net/10454/5385.

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The main objective of this research is to design, model and implement several antenna geometries using electromagnetic band gap (EBG) material and a defected ground plane. Several antenna applications are addressed with the aim of improving performance, particularly the mutual coupling between the elements. The EBG structures have the unique capability to prevent or assist the propagation of electromagnetic waves in a specific band of frequencies, and have been incorporated here in antenna structures to improve patterns and reduce mutual coupling in multielement arrays. A neutralization technique and defected ground plane structures have also been investigated as alternative approaches, and may be more practical in real applications. A new Uni-planar Compact EBG (UC-EBG) formed from a compact unit cell was presented, giving a stop band in the 2.4 GHz WLAN range. Dual band forms of the neutralization and defected ground plane techniques have also been developed and measured. The recorded results for all antenna configurations show good improvement in terms of the mutual coupling effect. The MIMO antenna performance with EBG, neutralization and defected ground of several wireless communication applications were analysed and evaluated. The correlation coefficient, total active reflection coefficient (TARC), channel capacity and capacity loss of the array antenna were computed and the results compared to measurements with good agreement. In addition, a computational method combining Genetic Algorithm (GA) with surface meshing code for the analysis of a 2×2 antenna arrays on EBG was developed. Here the impedance matrix resulting from the meshing analysis is manipulated by the GA process in order to find the optimal antenna and EBG operated at 2.4 GHz with the goal of targeting a specific fitness function. Furthermore, an investigation of GA on 2×2 printed slot on DGS was also done.
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Руденко, Іван Леонідович. "Планарна електродинамічна акустична система." Master's thesis, КПІ ім. Ігоря Сікорського, 2019. https://ela.kpi.ua/handle/123456789/30597.

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Проведено огляд історії розвитку виробництва перетворювачів та електродинамічних перетворювачів. Приведено повну класифікацію гучномовців та їх принцип дії. Здійснили глибокий аналіз конструкції електродинамічних перетворювачів та їх принцип дії. Приведені основні елементи конструктивних рішень. Виконано моделювання конструктивного рішення планарного електродинамічного перетворювача. Виконано моделювання роботи магнітної та коливальної системи. Приведено графіки основних результатів моделювання та експериментальних вимірювань. Структура та об’єм роботи: дипломна робота складається з вступу, 3 розділів, висновків, списку використаної літератури. Загальний обсяг дипломної роботи складає (106) сторінок. Робота містить рисунків, (48) таблиць (20) та список використаних джерел із (12) найменувань.
A review of the history of the production of converters and electrodynamic transducers was conducted. The full classification of speakers and their principle of action are given. The deep analyzes of the structures of electrodynamic transducers and their principle of action are carried out. The basic elements of constructive decisions are given. The simulation of the constructive decision of a planar electrodynamic converter is executed. The simulation of the work of the magnetic and oscillating system is performed. The graphs of the main results of simulation and experimental measurements are presented. Structure and volume of work: the thesis consists of the introduction, 3 chapters, conclusions, list of used literature. The total volume of the thesis is (106) pages. The work contains drawings, (48) tables (20) and list of sources used from (12) names.
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Konidaris, Spyridon G. "Electromagnetic scattering from rough surfaces using the On-Surface Radiation Boundary Condition (OSRC) method." Thesis, Monterey, California. Naval Postgraduate School, 1990. http://hdl.handle.net/10945/30624.

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Electromagnetic scattering from rough surfaces is of prime importance in the engineering field since it affects communications, radar, remote sensing, acoustics, etc. The actual problem of scattering from rough surfaces is complicated and involves three dimensional scattering from either lossy or dielectric, electrically large surface. Integral equations are widely utilized to solve this kind of problem but this solution to the problem is generally computationally intensive. In the On-Surface Radiation Boundary Condition (OSRC) method, a higher order radiation condition is imposed directly on the surface of the scatterer. This reduces the integral equation for the scattered field to a line integral which can be easily evaluated numerically. In this thesis, the OSRC method is used to formulate the problem of scattering from periodic rough, two dimensional surfaces illuminated by a transverse magnetic, plane electromagnetic wave. Three geometric surfaces are considered. A comparison is made between the present formulation, the exact solution, and the physical optics approximation.
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IRINEU, ROSA M. da S. "Comparação das propriedades das superfícies da poliamida 6.6. tratada por plasma e por radiação ionizante." reponame:Repositório Institucional do IPEN, 2010. http://repositorio.ipen.br:8080/xmlui/handle/123456789/9963.

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Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
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Chauveheid, Daniel. "Ecoulements multi-matériaux et multi-physiques : solveur volumes finis eulérien co-localisé avec capture d’interfaces, analyse et simulations." Thesis, Cachan, Ecole normale supérieure, 2012. http://www.theses.fr/2012DENS0032/document.

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Ce travail de thèse porte sur l'extension et l'analyse d'un solveur volumes finis eulérien, co-localisé avec capture d'interfaces pour la simulation des écoulements multi-matériaux non miscibles. Les extensions proposées s'inscrivent dans la volonté d'élaborer un outil de simulation multi-physiques. Dans le cadre de ce mémoire, le caractère multi-physiques recouvre les champs que nous allons détailler. Nous traitons le cas des écoulements radiatifs modélisés par un système à deux températures qui couple les phénomènes purement hydrodynamiques aux phénomènes radiatifs. Nous proposons un solveur permettant la prise en compte des effets de tension superficielle à l'interface entre deux fluides. Nous développons un solveur implicite permettant la simulation précise d'écoulements faisant intervenir de faibles nombres de Mach par le biais d'une méthode de renormalisation de la diffusion numérique. Enfin, les effets tri-dimensionnels sont considérés ainsi que la possibilité d'étendre le schéma de base aux écoulements à un nombre quelconque de matériaux. A chaque étape, les solveurs développés sont validés sur des cas-tests
This work is devoted to the extension of a eulerian cell-centered finite volume scheme with interfaces capturing for the simulation of multimaterial fluid flows. Our purpose is to develop a simulation tool which could be able to handle multi-physics problems in the following sense. We address the case of radiating flows, modeled by a two temperature system of equations where the hydrodynamics are coupled to radiation transport. We address a numerical scheme for taking surface tension forces into account. An implicit scheme is proposed to handle low Mach number fluid flows by means of a renormalization of the numerical diffusion. Eventually, the scheme is extended to three-dimensional flows and to multimaterial flows, that is with an arbitrary number of materials. At each step, numerical simulations validate our schemes
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Zygmuntowska, Marta, Thorsten Mauritsen, Johannes Quaas, and Lars Kaleschke. "Arctic clouds and surface radiation." Universitätsbibliothek Leipzig, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-185357.

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Clouds regulate the Earth’s radiation budget, both by reflecting part of the incoming sunlight leading to cooling and by absorbing and emitting infrared radiation which tends to have a warming effect. Globally averaged, at the top of the atmosphere the cloud radiative effect is to cool the climate, while at the Arctic surface, clouds are thought to be warming. Here we compare a passive instrument, the AVHRR-based retrieval from CM-SAF, with recently launched active instruments onboard CloudSat and CALIPSO and the widely used ERA-Interim reanalysis. We find that in particular in winter months the three data sets differ significantly. While passive satellite instruments have serious difficulties, detecting only half the cloudiness of the modeled clouds in the reanalysis, the active instruments are in between. In summer, the two satellite products agree having monthly means of 70–80 percent, but the reanalysis are approximately ten percent higher. The monthly mean long- and shortwave components of the surface cloud radiative effect obtained from the ERAInterim reanalysis are about twice that calculated on the basis of CloudSat’s radar-only retrievals, while ground based measurements from SHEBA are in between. We discuss these differences in terms of instrument-, retrieval- and reanalysis characteristics, which differ substantially between the analyzed datasets.
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Francoeur, Mathieu. "NEAR-FIELD RADIATIVE TRANSFER: THERMAL RADIATION, THERMOPHOTOVOLTAIC POWER GENERATION AND OPTICAL CHARACTERIZATION." UKnowledge, 2010. http://uknowledge.uky.edu/gradschool_diss/58.

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This dissertation focuses on near-field radiative transfer, which can be defined as the discipline concerned with energy transfer via electromagnetic waves at sub-wavelength distances. Three specific subjects related to this discipline are investigated, namely nearfield thermal radiation, nanoscale-gap thermophotovoltaic (nano-TPV) power generation and optical characterization. An algorithm for the solution of near-field thermal radiation problems in one-dimensional layered media is developed, and several tests are performed showing the accuracy, consistency and versatility of the procedure. The possibility of tuning near-field radiative heat transfer via thin films supporting surface phononpolaritons (SPhPs) in the infrared is afterwards investigated via the computation of the local density of electromagnetic states and the radiative heat flux between two films. Results reveal that due to SPhP coupling, fine tuning of near-field radiative heat transfer is possible by solely varying the structure of the system, the structure being the film thicknesses and their distance of separation. The coexistence of two regimes of near-field thermal radiation between two thin films of silicon carbide is demonstrated via numerical simulations and an asymptotic analysis of the radiative heat transfer coefficient. The impacts of thermal effects on the performances of nano-TPV power generators are investigated via the solution of the coupled near-field thermal radiation, charge and heat transport problem. The viability of nano-TPV devices proposed so far in the literature, based on a tungsten radiator at 2000 K and indium gallium antimonide cell, is questioned due to excessive heating of the junction converting thermal radiation into electricity. Using a convective thermal management system, a heat transfer coefficient as high as 105 Wm-2K-1 is required to maintain the junction at room temperature. The possibility of characterizing non-intrusively, and potentially in real-time, nanoparticles from 5 nm to 100 nm in size via scattered surface wave is explored. The feasibility of the characterization framework is theoretically demonstrated via a sensitivity analysis of the scattering matrix elements. Measurements of the scattering matrix elements for 200 nm and 50 nm gold spherical particles show the great sensitivity of the characterization tool, although an ultimate calibration is difficult with the current version of the experimental set-up.
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Barekat, Atefeh. "Hydrodynamic simulations with a radiative surface." Thesis, Stockholms universitet, Institutionen för astronomi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-90573.

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Books on the topic "Radiating surface"

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Siegel, Robert. Transient heat transfer in a semitransparent radiating layer with boundary convection and surface reflections. [Washington, D.C: National Aeronautics and Space Administration, 1996.

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Kotov, A. G. Radiat͡s︡ionnai͡a︡ fizika i khimii͡a︡ geterogennykh sistem. Moskva: Ėnergoatomizdat, 1988.

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M, Repinskiĭ S., ed. Ėlektronnai͡a spektroskopii͡a i atomnye prot͡sessy na poverkhnosti kremnii͡a. Moskva: "Nauka", 1985.

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Wiedemann, Helmut. Synchrotron Radiation. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003.

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Rubahn, H. G. Laser applications in surface science and technology. Chichester: Wiley, 1999.

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Suttles, John T. Surface radiation budget for climate applications. Hampton, Va: Langley Research Center, 1986.

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NATO Advanced Study Institute on "Interfaces under Laser Irradiation" (1986 Acquafredda di Maratea, Italy). Interfaces under laser irradiation. Dordrecht: Martinus Nijhoff, 1987.

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Badescu, Viorel, ed. Modeling Solar Radiation at the Earth’s Surface. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-77455-6.

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Fritschen, Leo. Evaluation of surface energy and radiation balance systems for FIFE. [Washington, DC: National Aeronautics and Space Administration, 1988.

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Fritschen, Leo. Evaluation of surface energy and radiation balance systems on the Konza Prairie. Seattle, WA: College of Forest Resources, University of Washington, 1988.

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Book chapters on the topic "Radiating surface"

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Golombok, M., and L. C. Shirvill. "Radiation Characteristics of Surface Combustion Burners." In Heat Transfer in Radiating and Combusting Systems, 439–56. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-84637-3_28.

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Porterie, B., R. Saurel, J.-C. Loraud, and M. Larini. "Combined Convective and Conductive Effects within an Upstream Flow Along a Vertical Fuel Surface." In Heat Transfer in Radiating and Combusting Systems, 570–82. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-84637-3_36.

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Zhang, X. L., and J. P. Vantelon. "Radiative Transfer at the Surface of a Small Scale Pool Fire Under the Influence of External Radiation." In Heat Transfer in Radiating and Combusting Systems, 555–69. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-84637-3_35.

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Venkateshan, S. P. "Surface Radiation." In Heat Transfer, 359–403. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-58338-5_9.

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Rowe, J. E. "Surface EXAFS." In Synchrotron Radiation Research, 117–36. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3280-4_3.

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Pinker, Rachel T. "Surface Radiative Fluxes." In Encyclopedia of Remote Sensing, 806–15. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-0-387-36699-9_199.

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Jensen, Lindsay G., Loren K. Mell, Christin A. Knowlton, Michelle Kolton Mackay, Filip T. Troicki, Jaganmohan Poli, Edward J. Gracely, et al. "Surface Microscopy." In Encyclopedia of Radiation Oncology, 853. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-540-85516-3_536.

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Benson, Rony, Supriya Mallick, and Goura K. Rath. "Surface Mould Brachytherapy." In Practical Radiation Oncology, 139–41. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-0073-2_22.

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Pinker, R. T., and J. A. Ewing. "Surface Radiation Budget from Satellites." In Atmospheric Radiation, 172–80. Boston, MA: American Meteorological Society, 1987. http://dx.doi.org/10.1007/978-1-935704-18-8_28.

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Knowlton, Christin A., Michelle Kolton Mackay, Tod W. Speer, Robyn B. Vera, Douglas W. Arthur, David E. Wazer, Rachelle Lanciano, et al. "CD20 Surface Antigen." In Encyclopedia of Radiation Oncology, 97. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-540-85516-3_687.

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Conference papers on the topic "Radiating surface"

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Jones, Matthew R., and Vladimir P. Solovjov. "Green’s Function Approach to Nonlinear Conduction and Surface Radiation Problems." In ASME 2009 Heat Transfer Summer Conference collocated with the InterPACK09 and 3rd Energy Sustainability Conferences. ASMEDC, 2009. http://dx.doi.org/10.1115/ht2009-88033.

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An analytical approach for solving both transient and steady state conduction and surface radiation problems is presented. The method is based on the use of a Green’s function, and the temperature field is obtained by solving an integral equation. This is in contrast to the approach presented in radiative heat transfer texts in which temperature profiles are obtained from the simultaneous solution of coupled integral and differential equations. The analysis presented in this paper provides insight into the solution of this important class of problems. The method is illustrated by solving two representative problems. The first problem considered is the steady state analysis of radiating fins, which are frequently incorporated in the design of spacecraft. The second problem considered is the transient analysis of a radiating target, which is used to determine the temporal response of radiation thermometers.
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Yoon, Y. K., B. Pan, P. Kirby, J. Papapolymerou, M. Tentzeris, and M. G. Allen. "SURFACE MICROMACHINED ELECTROMAGNETICALLY RADIATING RF MEMS." In 2004 Solid-State, Actuators, and Microsystems Workshop. San Diego, CA USA: Transducer Research Foundation, Inc., 2004. http://dx.doi.org/10.31438/trf.hh2004.85.

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Khutoryan, E. M., S. S. Ponomarenko, S. A. Kishko, Y. Tatematsu, S. Mitsudo, M. Tani, and A. N. Kuleshov. "THz Cherenkov Oscillator with Surface-Radiating Modes." In 2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). IEEE, 2019. http://dx.doi.org/10.1109/irmmw-thz.2019.8874184.

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Hossain, M. G. Sorwar, and Yoji Ohashi. "A planar delta-patch antenna with a surface mode radiating characteristic." In 2012 IEEE Antennas and Propagation Society International Symposium and USNC/URSI National Radio Science Meeting. IEEE, 2012. http://dx.doi.org/10.1109/aps.2012.6349094.

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Khutoryan, Eduard, Sergey Ponomarenko, Sergey Kishko, Konstantin Lukin, Yoshinori Tatematsu, Seitaro Mitsudo, Masahiko Tani, and Alexei Kuleshov. "Efficient Regime of Hybrid Surface-Radiating Waves in a THz Clinotron." In 2020 IEEE 21st International Conference on Vacuum Electronics (IVEC). IEEE, 2020. http://dx.doi.org/10.1109/ivec45766.2020.9520601.

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Jecko, B., M. Majed, J. Andrieu, M. Lalande, E. Martinod, M. Rammal, and M. T. Themalil. "Overcoming Limitations of Agile Electronically Scanned Array (AESA) Using a Radiating Surface Antenna called Agile Radiating Matrix Antenna (ARMA)." In 2021 XXXIVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS). IEEE, 2021. http://dx.doi.org/10.23919/ursigass51995.2021.9560395.

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Khmelev, Vladimir N., Sergey S. Khmelev, Roman N. Golykh, Ksenija A. Karzakova, and Sergey V. Levin. "The construction development of the resonance concentrating link with enlarged radiating surface." In 2013 International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM). IEEE, 2013. http://dx.doi.org/10.1109/edm.2013.6641962.

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Raghavan, Vasudevan, Daniel N. Pope, and George Gogos. "Combined Non-Luminous Flame Radiation and Surface Tension Effects During Methanol Droplet Combustion." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-43425.

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The effect of non-luminous thermal radiation on suspended (constant relative velocity) methanol droplet combustion in a low temperature (300 K) and low pressure (1 atm) environment is discussed in detail. Numerical results are obtained using a predictive, transient, two-phase, axisymmetric numerical model that includes surface tension effects. Radiation is modeled using the optically thin approximation with the product species CO2 and H2O as the radiating species. Results for combustion in a quiescent atmosphere (initial Reynolds number 0.01) and initial droplet diameters in the range of 0.43 mm to 3 mm are presented. The results show that the effect of flame radiation is negligible when the initial droplet diameter is less than approximately 1 mm and becomes increasingly important for droplets with initial diameters greater than approximately 1 mm, as reported in previous literature. The average evaporation constant decreases with the initial droplet diameter. Both radiation and surface tension have a significant effect on the predicted extinction diameters of initially larger droplets. The extinction diameter presents a non-linear variation with the initial droplet diameter for initially larger droplets and agreement with experiments is good.
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Komandla, Mohana Vamshi, Behrouz Babakhani, and Satish K. Sharma. "Dipoles supporting multiple unique radiating modes on top of a high impedance surface." In 2016 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting. IEEE, 2016. http://dx.doi.org/10.1109/aps.2016.7696665.

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Wolff, Ingo. "On the physical nature of radiating volume and surface modes in spherical dielectric resonators." In 2012 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC). IEEE, 2012. http://dx.doi.org/10.1109/apemc.2012.6237938.

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Reports on the topic "Radiating surface"

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Kiv, A. E., T. I. Maximova, and V. N. Soloviov. MD Simulation of the Ion-Stimulated Relaxation in Silicon Surface Layers. [б. в.], June 2000. http://dx.doi.org/10.31812/0564/1278.

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Thus it was established that ion bombardment of silicon surface in the energy region of the threshold of elastic displacement of atoms might allow to improve structural characteristics of surface lavers and to decrease the relaxation time. Energy dependencies of radiation induced processes show a possibility to improve the real staicture of Silicon surface and to accelerate the long-term surface relaxation in microelectronic technology.
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Jacobs, Patrick W. M., Арнольд Юхимович Ків, Володимир Миколайович Соловйов, and Tatyana N. Maximova. Radiation-stimulated processes in Si surface layers. Transport and Telecommunication Institute, 1999. http://dx.doi.org/10.31812/0564/1023.

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Molecular dynamics computer simulations have been performed to study the character o disordering of atom configurations in Si surface layers. The relaxation of free Si surface was investigated. The main structural parameters were calculated, such as a distribution of angle between chemical bonds, the density of dangling bonds, structural peculiarities of Si surface layers and radiation effects. It was concluded that Si surface at real conditions is a disordered phase similar to a-Si
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Caraher, D., and R. Shumway. Enhanced RELAP5/MOD3 surface-to-surface radiation model. Office of Scientific and Technical Information (OSTI), February 1989. http://dx.doi.org/10.2172/6258185.

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Wurl, Oliver. Biofilm-like habitat at the sea-surface: A mesocosm study, Cruise No. POS537, 14.09.2019 – 04.10.2019, Malaga (Spain) – Cartagena (Spain) - BIOFILM. University of Oldenburg, November 2020. http://dx.doi.org/10.3289/cr_pos537.

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OceanRep OceanRep Startseite Kontakt Schnellsuche Einfache Suche Erweiterte Suche Blättern Autor Forschungsbereich Publikationsart Jahr Studiengang Neuzugänge Artikel – begutachtet Alle Über uns GEOMAR Bibliothek Open Access Policies Grundsätze Hilfe FAQs Statistik Impressum Biofilm-like habitat at the sea-surface: A mesocosm study, Cruise No. POS537, 14.09.2019 – 04.10.2019, Malaga (Spain) – Cartagena (Spain) - BIOFILM . Logged in as Heidi Düpow Einträge verwaltenManage recordsManage shelvesProfilGespeicherte SuchenBegutachtungAdminLogout - Tools Wurl, Oliver, Mustaffa, Nur Ili Hamizah, Robinson, Tiera-Brandy, Hoppe, Jennifer, Jaeger, Leonie, Striebel, Maren, Heinrichs, Anna-Lena, Hennings, Laura Margarethe, Goncalves, Rodrigo, Ruiz Gazulla, Carlota und Ferrera, Isabel (2020) Biofilm-like habitat at the sea-surface: A mesocosm study, Cruise No. POS537, 14.09.2019 – 04.10.2019, Malaga (Spain) – Cartagena (Spain) - BIOFILM . Open Access . POSEIDON Berichte . University of Oldenburg, Oldenburg, 35 pp. [img] Text Cruise_Reports_POS537_final.pdf - publizierte Version Available under License Creative Commons: Attribution 4.0. Download (2417Kb) | Vorschau Abstract Biofilm-like properties can form on sea surfaces, but an understanding of the underlying processes leading to the development of these biofilms is not available. We used approaches to study the development of biofilm-like properties at the sea surface, i.e. the number, abundance and diversity of bacterial communities and phytoplankton, the accumulation of gel-like particles and dissolved tracers. During the expedition POS537 we used newly developed and free drifting mesocosms and performed incubation experiments. With these approaches we aim to investigate the role of light and UV radiation as well as the microbes themselves, which lead to the formation of biofilms. With unique microbial interactions and photochemical reactions, sea surface biofilms could be biochemical reactors with significant implications for ocean and climate research, e.g. with respect to the marine carbon cycle, diversity of organisms and oceanatmosphere interactions.
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Rosenberg, R. A., J. K. Simons, and S. P. Frigo. Site-specific, synchrotron radiation induced surface photochemistry. Office of Scientific and Technical Information (OSTI), December 1995. http://dx.doi.org/10.2172/195701.

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Clausen, Jay, Michael Musty, Anna Wagner, Susan Frankenstein, and Jason Dorvee. Modeling of a multi-month thermal IR study. Engineer Research and Development Center (U.S.), July 2021. http://dx.doi.org/10.21079/11681/41060.

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Inconsistent and unacceptable probability of detection (PD) and false alarm rates (FAR) due to varying environmental conditions hamper buried object detection. A 4-month study evaluated the environmental parameters impacting standoff thermal infra-red(IR) detection of buried objects. Field observations were integrated into a model depicting the temporal and spatial thermal changes through a 1-week period utilizing a 15-minute time-step interval. The model illustrates the surface thermal observations obtained with a thermal IR camera contemporaneously with a 3-d presentation of subsurface soil temperatures obtained with 156 buried thermocouples. Precipitation events and subsequent soil moisture responses synchronized to the temperature data are also included in the model simulation. The simulation shows the temperature response of buried objects due to changes in incoming solar radiation, air/surface soil temperature changes, latent heat exchange between the objects and surrounding soil, and impacts due to precipitation/changes in soil moisture. Differences are noted between the thermal response of plastic and metal objects as well as depth of burial below the ground surface. Nearly identical environmental conditions on different days did not always elicit the same spatial thermal response.
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Author, Not Given. Weather predictions and surface radiation estimates for Project SCHOONER. Office of Scientific and Technical Information (OSTI), May 1989. http://dx.doi.org/10.2172/6260268.

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Yurchenko, Nina F. Turbulence Control Through Selective Surface Heating Using Microwave Radiation. Fort Belvoir, VA: Defense Technical Information Center, May 2013. http://dx.doi.org/10.21236/ada585479.

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Ray-Chaudhuri, A., G. Kubiak, C. Henderson, D. Wheeler, and T. Pollagi. Top-surface imaging resists for lithography with strongly attenuated radiation. Office of Scientific and Technical Information (OSTI), September 1997. http://dx.doi.org/10.2172/554821.

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Author, Not Given. Weather predictions and surface radiation estimates for Project BUGGY I. Office of Scientific and Technical Information (OSTI), May 1989. http://dx.doi.org/10.2172/6104160.

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