Academic literature on the topic 'Electrical low pressure impactor'
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Journal articles on the topic "Electrical low pressure impactor"
Keskinen, J., K. Pietarinen, and M. Lehtimäki. "Electrical low pressure impactor." Journal of Aerosol Science 23, no. 4 (June 1992): 353–60. http://dx.doi.org/10.1016/0021-8502(92)90004-f.
Full textKeskinen, J., K. Pietarinen, and M. Lehtimäki. "Low pressure impactor with electrical concentration detection." Journal of Aerosol Science 22 (1991): S285. http://dx.doi.org/10.1016/s0021-8502(05)80092-8.
Full textTapper, U., M. Marjamäki, M. Moisio, E. I. Kauppinen, and J. Keskinen. "Inversion of electrical low pressure impactor data." Journal of Aerosol Science 26 (September 1995): S103—S104. http://dx.doi.org/10.1016/0021-8502(95)96959-b.
Full textVirtanen, Annele, Marko Marjamäki, Jyrki Ristimäki, and Jorma Keskinen. "Fine particle losses in electrical low-pressure impactor." Journal of Aerosol Science 32, no. 3 (March 2001): 389–401. http://dx.doi.org/10.1016/s0021-8502(00)00087-2.
Full textMarjamäki, Marko, Jorma Keskinen, Da-Ren Chen, and David Y. H. Pui. "PERFORMANCE EVALUATION OF THE ELECTRICAL LOW-PRESSURE IMPACTOR (ELPI)." Journal of Aerosol Science 31, no. 2 (February 2000): 249–61. http://dx.doi.org/10.1016/s0021-8502(99)00052-x.
Full textJärvinen, A., M. Aitomaa, A. Rostedt, J. Keskinen, and J. Yli-Ojanperä. "Calibration of the new electrical low pressure impactor (ELPI+)." Journal of Aerosol Science 69 (March 2014): 150–59. http://dx.doi.org/10.1016/j.jaerosci.2013.12.006.
Full textMaricq, M. Matti, Ning Xu, and Richard E. Chase. "Measuring Particulate Mass Emissions with the Electrical Low Pressure Impactor." Aerosol Science and Technology 40, no. 1 (January 2006): 68–79. http://dx.doi.org/10.1080/02786820500466591.
Full textMoisio, M., J. Hautanen, A. Virtanen, M. Marjamäki, and J. Keskinen. "Electrical low pressure impactor data processing - effect of particle density." Journal of Aerosol Science 28 (September 1997): S143—S144. http://dx.doi.org/10.1016/s0021-8502(97)85072-0.
Full textKeskinen, J., M. Moisio, K. Pietarinen, and M. Lehtimäki. "Real time size distribution measurement with electrical low pressure impactor." Journal of Aerosol Science 26, no. 4 (June 1995): 694. http://dx.doi.org/10.1016/0021-8502(95)90189-2.
Full textZervas, E., P. Dorlhène, L. Forti, C. Perrin, J. C. Momique, R. Monier, H. Ing, and B. Lopez. "Exhaust Gas Particle Mass Estimation Using an Electrical Low Pressure Impactor." Energy & Fuels 20, no. 2 (March 2006): 498–503. http://dx.doi.org/10.1021/ef050330a.
Full textDissertations / Theses on the topic "Electrical low pressure impactor"
Ngohang, Franck Estimé. "Combination of mass loss cone, Fourier transforminfrared spectroscopy and electrical low pressure impactor to extend fire behaviour characterization of materials." Thesis, Lille 1, 2014. http://www.theses.fr/2014LIL10167/document.
Full textA bench-scale test combining mass loss cone, Fourier transform Infrared Spectroscopy and Electrical Low Pressure Impactor (MLC/FTIR/ELPI) was developed to enable simultaneous evaluation of the flammability parameters, the gases evolved (qualitative and quantitative evaluation) and the smoke particles (size distribution and concentration) generated by the combustion of the studied materials. This bench test is designed specifically to investigate the fire behaviour of manufactured products such as electric cables, as it is difficult to fully examine the latter with bench tests of the type thermogravimetry or pyrolysis - gas chromatography/mass spectrometry, which can only hold small quantities of sample (from µg to a few mg). After setting up the MLC/FTIR/ELPI coupling, methodologies were established for qualitative and quantitative analysis of evolved gases and smoke particles. Experimental trials conducted on ethylene vinyl acetate (EVA) and ethylene vinyl acetate/aluminium trihydroxide (EVA/ATH) as reference materials demonstrated that the bench test provides accurate, meaningful and repeatable results
Kotian, Reshma. "Electrical Behavior of Non-Aqueous Formulations: Role of Electrostatic Interactions in Pressurized Metered Dose Inhalers (pMDIs)." Unavailable until 8/19/2013, 2008. http://hdl.handle.net/10156/2280.
Full textKwok, Philip Chi Lip. "Electrostatics of aerosols for inhalation." Thesis, The University of Sydney, 2007. http://hdl.handle.net/2123/1934.
Full textKwok, Philip Chi Lip. "Electrostatics of aerosols for inhalation." Faculty of Pharmacy, 2007. http://hdl.handle.net/2123/1934.
Full textElectrostatics of aerosols for inhalation is a relatively new research area. Charge properties of these particles are largely unknown but electrostatic forces have been proposed to potentially influence lung deposition. Investigation on the relationship between formulation and aerosol charging is required to understand the fundamental mechanisms. A modified electrical low pressure impactor was employed to measure the particles generated from metered dose inhalers and dry powder inhalers. This equipment provides detailed size and charge information of the aerosols. The particles were sized by impaction onto thirteen stages. The net charges in twelve of the size fractions were detected and recorded by sensitive electrometers. The drug deposits were quantified by chemical assay. The aerosol charge profiles of commercial metered dose inhalers were product-dependent, which was due to differences in the drug, formulation, and valve stem material. The calculated number of elementary charges per drug particle of size ≤ 6.06 μm ranged from zero to several ten thousands. The high charge levels on particles may have a potential effect on the deposition of the aerosol particles in the lung when inhaled. New plastic spacers marketed for use with metered dose inhalers were found to possess high surface charges on the internal walls, which was successfully removed by detergent-coating. Detergent-coated spacer had higher drug output than the new ones due to the reduced electrostatic particle deposition inside the spacer. Particles delivered from spacers carried lower inherent charges than those directly from metered dose inhalers. Those with higher charges might be susceptible to electrostatic forces inside the spacers and were thus retained. The electrostatic low pressure impactor was further modified to disperse two commercial Tubuhaler® products at 60 L/min. The DPIs showed drug-specific responses to particle charging at different RHs. The difference in hygroscopicity of the drugs may play a major role. A dual mechanistic charging model was proposed to explain the charging behaviours. The charge levels on drug particles delivered from these inhalers were sufficiently high to potentially affect deposition in the airways when inhaled. Drug-free metered dose inhalers containing HFA-134a and 227 produced highly variable charge profiles but on average the puffs were negatively charged, which was thought to be due to the electronegative fluorine atoms in the HFA molecules. The charges of both HFAs shifted towards neutrality or positive polarity with increasing water content. The spiked water might have increased the electrical conductivity and/or decreased the electronegativity of the bulk propellant solution. The number of elementary charges per droplet decreased with decreasing droplet size. This trend was probably due to the redistribution of charges amongst small droplets following electrostatic fission of a bigger droplet when the Raleigh limit was reached.
Damay, Pierre. "Détermination expérimentale de la vitesse de dépôt sec des aérosols submicroniques en milieu naturel : influence de la granulométrie, des paramètres micrométéorologiques et du couvert." Phd thesis, INSA de Rouen, 2010. http://tel.archives-ouvertes.fr/tel-00558201.
Full textGoparaju, Sravanthi. "Low Power Tire Pressure Monitoring System." University of Akron / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=akron1220637163.
Full textDe, Meyer Oelof. "Design considerations for low pressure solar water heating in South Africa." Master's thesis, University of Cape Town, 2012. http://hdl.handle.net/11427/22061.
Full textFang, Wenjing Ph D. Massachusetts Institute of Technology. "Bilayer graphene growth by low pressure chemical vapor deposition on copper foil." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/75656.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (p. 49-51).
Successfully integrating graphene in standard processes for applications in electronics relies on the synthesis of high-quality films. In this work we study Low Pressure Chemical Vapor Deposition (LPCVD) growth of bilayer graphene on the outside surface of copper enclosures. The effect of several parameters on bilayer growth rate and domain size was investigated and high-coverage bilayers films were successfully grown. Furthermore, the quality of the bilayer was confirmed using Raman spectroscopy. Finally, we consider future studies that may reveal the underlying mechanisms behind bilayer growth.
by Wenjing Fang.
S.M.
Olubuyide, Oluwamuyiwa Oluwagbemiga 1979. "Low pressure epitaxial growth, fabrication and characterizion of Ge-on-Si photodiodes." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/38685.
Full textIncludes bibliographical references (p. 238-249).
In order to facilitate the integration of photonic systems onto an electronic chip, near infrared photodiodes utilizing novel materials such as germanium must be monolithically integrated onto the Si CMOS platform. Such near-infrared photodiodes can be utilized for a plethora of applications such as optoelectronic ADCs, optical interconnects, photonic integrated circuits, and near infrared cameras. In this work, the major focus is on investigating processes utilizing a Low Pressure Chemical Vapor Deposition (LPCVD) Applied Materials Epi CenturaTM system to deposit germanium onto silicon substrates (Ge-on-Si). A growth space is identified to deposit blanket and selective epitaxial 1 to 3 rim-thick Ge-on-Si films via a two-step process. These deposited Ge-on-Si films have a low root-mean-square surface roughness (below 2 nm) and a moderate threading dislocation density (- 107 cm-2) after an annealing process. Utilizing these Ge-on-Si films, vertically illuminated Ge-on-Si pin photodiodes are fabricated in a CMOS compatible process. The best photodiodes fabricated in this work have low dark current values (below 10 mA/cm2), high responsivity (- 0.45 A/W at 1.55 pim wavelengths) and 3-dB frequency response in the gigahertz range.
(cont.) Due to the importance of the photodiode reverse bias leakage current for circuit applications, the reverse bias leakage current is investigated and characterized in detail for various Ge-on-Si pin photodiodes. Trap assisted tunneling was found to be the dominant reverse bias leakage mechanism. These Ge-on-Si films show great promise for leveraging the integration of photonic devices onto the Very Large Scale Integration (VLSI) platform, and once there is improved reproducibility in the fabrication process, specifically the passivation of germanium surface states, the promise of these Ge-on-Si films can be fully realized.
by Oluwamuyiwa Oluwagbemiga Olubuyide
Ph.D.
lida, Takao, Naureen Mahbub Rahman, Akihiro Matsui, Hiromi Yamazawa, and Jun Moriizumi. "The Measurement of Size Distribution of Indoor Natural Radioactive Aerosols by Imaging Plate Technique." American Institite of Physics, 2008. http://hdl.handle.net/2237/12043.
Full textBooks on the topic "Electrical low pressure impactor"
Jarzembski, M. A. Low-pressure electrical discharge experiment to simulate high-altitude lightning above thunderclouds. MSFC, Ala: National Aeronautics and Space Administration, Marshall Space Flight Center, 1995.
Find full textJarzembski, M. A. Low-pressure electrical discharge experiment to simulate high-altitude lightning above thunderclouds. MSFC, Ala: National Aeronautics and Space Administration, Marshall Space Flight Center, 1995.
Find full textJarzembski, M. A. Low-pressure electrical discharge experiment to simulate high-altitude lightning above thunderclouds. Marshall Space Flight Center, Alabama: Marshall Space Flight Center, 1995.
Find full textJarzembski, M. A. Low-pressure electrical discharge experiment to simulate high-altitude lightning above thunderclouds. MSFC, Ala: National Aeronautics and Space Administration, Marshall Space Flight Center, 1995.
Find full textIESNA Testing Procedures Committee. Photometry of Light Sources Subcommittee. IES approved method for the electrical and photometric measurements of low pressure sodium lamps. New York, N.Y: Illuminating Engineering Society of North America, 1991.
Find full textElectrical & Photometric Measurement for Low Pressure Sodium Lamps. Illuminating Engineering, 2000.
Find full textNational Aeronautics and Space Administration (NASA) Staff. Low-Pressure Electrical Discharge Experiment to Simulate High-Altitude Lightning above Thunderclouds. Independently Published, 2018.
Find full textVandanā, Śrīvāstava, ed. Low pressure experimental simulation of electrical discharges above and inside a cloud. [Washington, D.C: National Aeronautics and Space Administration, 1997.
Find full textVandanā, Śrīvāstava, and United States. National Aeronautics and Space Administration., eds. Low pressure experimental simulation of electrical discharges above and inside a cloud. [Washington, D.C: National Aeronautics and Space Administration, 1997.
Find full textOn the potential difference required to produce electrical discharges in gases at low pressure: An extension of Paschen's law. Ottawa: J. Hope, 1997.
Find full textBook chapters on the topic "Electrical low pressure impactor"
Chen, Yue Chang, Haotian Shi, and Yang Guang. "Developing Low-Noise Low Back Pressure Intake System by CAE Technology." In Lecture Notes in Electrical Engineering, 167–76. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-33835-9_16.
Full textMataras, D. S., and D. E. Rapakoulias. "Optical and Electrical Diagnostics of Low Pressure Plasmas." In Plasma Processing of Polymers, 65–79. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-015-8961-1_3.
Full textChen, Zhijia, Xiaobin Huang, and Hong Liu. "Altitude Ignition by Reducing IDT at Low Pressure with Additive." In Lecture Notes in Electrical Engineering, 363–72. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-1773-0_29.
Full textCui, Weilin, Qin Ouyang, Yingxin Zhu, and Songtao Hu. "Prediction Model of Human Thermal Sensation Under Low-Air-Pressure Environment." In Lecture Notes in Electrical Engineering, 329–36. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-39584-0_37.
Full textHovig, Even Wilberg, Knut Sørby, and Per Erik Drønen. "Metal Penetration in Additively Manufactured Venting Slots for Low-Pressure Die Casting." In Lecture Notes in Electrical Engineering, 457–68. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-5768-7_49.
Full textLakshmi Prasanna, M., and V. R. Anitha. "Design and Simulation Analysis of a Piezoresistive Cantilever Beam for Low-Pressure Detection." In Lecture Notes in Electrical Engineering, 359–66. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-2308-1_37.
Full textShimooka, So, Shujiro Dohta, Tetsuya Akagi, Yoshinori Moriwake, and Feifei Zhao. "Estimation of Pressure Control Performance in Low-Cost Quasi-Servo Valve Using Embedded Controller." In Lecture Notes in Electrical Engineering, 359–66. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-04573-3_44.
Full textDu, Junmin, Weiyu Sun, Huajun Xiao, and Wangqiang Xu. "An Experimental Study of the Effects of Low Barometric Pressure on Human Hearing Level." In Lecture Notes in Electrical Engineering, 563–70. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-48224-7_67.
Full textMeng, Wu, Chi Fenghua, Tian Shichao, Qi Zheng, and Xu Cong. "A Three-Dimensional Terminal Guidance Law for Unpowered Gliding Vehicles Considering Dynamic Pressure and Impact Angle Constraints." In Lecture Notes in Electrical Engineering, 453–65. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8155-7_37.
Full textShi, Yaming, Xiaobin Huang, and Hong Liu. "A Method for Enhancing Low-Pressure Ignition of n-Decane Based on Increasing Hydroxyl Free Radicals." In Lecture Notes in Electrical Engineering, 185–96. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-6061-9_12.
Full textConference papers on the topic "Electrical low pressure impactor"
Tsukamoto, Yujiro, Yuichi Goto, and Matsuo Odaka. "Continuous Measurement of Diesel Particulate Emissions by an Electrical Low-Pressure Impactor." In SAE 2000 World Congress. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2000. http://dx.doi.org/10.4271/2000-01-1138.
Full textPattas, K., N. Kyriakis, Z. Samaras, P. Pistikopoulos, and L. Ntziachristos. "Effect of DPF on Particulate Size Distribution Using an Electrical Low Pressure Impactor." In International Congress & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1998. http://dx.doi.org/10.4271/980544.
Full textAhlvik, Peter, Leonidas Ntziachristos, Jorma Keskinen, and Annele Virtanen. "Real Time Measurements of Diesel Particle Size Distribution with an Electrical Low Pressure Impactor." In International Congress & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1998. http://dx.doi.org/10.4271/980410.
Full textRui, Rui, and Ian Cotton. "Impact of low pressure aerospace environment on machine winding insulation." In 2010 IEEE International Symposium on Electrical Insulation (ISEI). IEEE, 2010. http://dx.doi.org/10.1109/elinsl.2010.5549718.
Full textUeda, Masahito, Akira Todoroki, and Yasuyuki Kato. "Delamination Identification in Quasi-Isotropic CFRP Laminate Using Electric Potential Technique." In ASME 2008 Pressure Vessels and Piping Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/pvp2008-61451.
Full textGross, K. A., P. Fauchais, M. Vardelle, J. Tikkanen, and J. Keskinen. "Vaporization and Ultra-Fine Particle Generation during the Plasma Spraying Process." In ITSC 1997, edited by C. C. Berndt. ASM International, 1997. http://dx.doi.org/10.31399/asm.cp.itsc1997p0543.
Full textSilva, Ana C., Florian Werner, and Lucas Xavier. "The Influence of Elevated Temperature in Creep Relaxation of Various PTFE Gaskets Production Methods." In ASME 2018 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/pvp2018-84077.
Full textKnipser, Christian, Wolfgang Horn, and Stephan Staudacher. "Aircraft Engine Performance Improvement by Active Clearance Control in Low Pressure Turbines." In ASME Turbo Expo 2009: Power for Land, Sea, and Air. ASMEDC, 2009. http://dx.doi.org/10.1115/gt2009-59301.
Full textAsai, Tomohiro, Hiromi Koizumi, Shohei Yoshida, and Hiroshi Inoue. "Effects of Fuel-Nozzle Configurations on Particulate-Matter Emissions From a Model Gas Turbine Combustor." In ASME Turbo Expo 2008: Power for Land, Sea, and Air. ASMEDC, 2008. http://dx.doi.org/10.1115/gt2008-50351.
Full textBerry, Alexander, Dylan Weinand, Mansour Zenouzi, Conor Hennessy, James Mathieu, and Greg Kowalski. "Pressure Retarded Osmosis: Laboratory Scale Design and Experiment." In ASME 2015 9th International Conference on Energy Sustainability collocated with the ASME 2015 Power Conference, the ASME 2015 13th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2015 Nuclear Forum. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/es2015-49804.
Full textReports on the topic "Electrical low pressure impactor"
Vargas-Herrera, Hernando, Juan Jose Ospina-Tejeiro, Carlos Alfonso Huertas-Campos, Adolfo León Cobo-Serna, Edgar Caicedo-García, Juan Pablo Cote-Barón, Nicolás Martínez-Cortés, et al. Monetary Policy Report - April de 2021. Banco de la República de Colombia, July 2021. http://dx.doi.org/10.32468/inf-pol-mont-eng.tr2-2021.
Full textJohra, Hicham. Performance overview of caloric heat pumps: magnetocaloric, elastocaloric, electrocaloric and barocaloric systems. Department of the Built Environment, Aalborg University, January 2022. http://dx.doi.org/10.54337/aau467469997.
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