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1

Katta, Kiran Kumar. "Phase change cooling applications engine cooling /." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2008. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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2

Borbolla, Ivan Montenegro. "Assessment of magnetic cooling for domestic applications." Thesis, KTH, Tillämpad termodynamik och kylteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-101447.

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Magnetic cooling is an emerging refrigeration technology with potential to surpass the performance of vapour compression devices. It has been successfully applied in the cryogenic temperature ranges, where magnetic cooling gas liquefiers surpass the performance of conventional liquefaction systems. Magnetic refrigeration technology is based on the magnetocaloric effect, a characteristic present in all magnetic materials and alloys. In magnetic thermodynamic cycles, magnetization of a magnetocaloric material is equivalent to the compression of a gas, while demagnetization is equivalent to expan
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3

Licu, Dragos N. "Heat transfer characteristics in film cooling applications." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0005/NQ34581.pdf.

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4

Musa, Mu'azu. "Novel evaporative cooling systems for building applications." Thesis, University of Nottingham, 2009. http://eprints.nottingham.ac.uk/10674/.

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The technology and applications of evaporative cooling to provide human comfort in buildings is not new and has been used in different places based on different methods and materials. Conventional air conditioning systems overshadowed the application of evaporative cooling for buildings despite their ozone layer depletion. Evaporative cooling using porous ceramic evaporators were experimentally investigated. Encouraging results in terms of temperature reduction and cooling effectiveness were reported. In this work also thermoelectric unit was integrated in to the evaporative cooling system con
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5

Botha, Subelia Senara. "Synthesis and characterization of nanofluids for cooling applications." Thesis, University of the Western Cape, 2006. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_1995_1210758997.

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<p>Low thermal conductivity is a primary limitation in the development of energy-efficient heat transfer fluids that are required in numerous industrial sectors. Recently submicron and high aspect ratio particles (nanoparticles and nanotubes) were introduced into the heat transfer fluids to enhance the thermal conductivity of the resulting nanofluids. The aim of this project was to investigate the physico-chemical properties of nanofluids synthesized using submicron and high aspect ratio particles suspended in heat transfer fluids .</p>
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Rathsman, Karin. "Modeling of Electron Cooling : Theory, Data and Applications." Doctoral thesis, Uppsala universitet, Kärnfysik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-129686.

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The Vlasov technique is used to model the electron cooling force. Limitations of the applicability of the method is obtained by considering the perturbations of the electron plasma. Analytical expressions of the electron cooling force, valid beyond the Coulomb logarithm approximation, are derived and compared to numerical calculations using adaptive Monte Carlo integration. The calculated longitudinal cooling force is verified with measurements in CELSIUS. Transverse damping rates of betatron oscillations for a nonlinear cooling force is explored. Experimental data of the transverse monochromat
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Chaturvedi, Anurag. "Novel Magnetic Materials for Sensing and Cooling Applications." Scholar Commons, 2011. http://scholarcommons.usf.edu/etd/3040.

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The overall goals of the present PhD research are to explore the giant magnetoimpedance (GMI) and giant magnetocaloric (GMC) effects in functional magnetic materials and provide guidance on the optimization of the material properties for use in advanced magnetic sensor and refrigeration applications. GMI has attracted growing interest due to its promising applications in high-performance magnetic sensors. Research in this field is focused on the development of new materials with properties appropriate for practical GMI sensor applications. In this project, we have successfully set up a new mag
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González, Morales César Augusto. "CHARACTERIZATION OF HEAT TRANSFER AND EVAPORATIVE COOLING OF HEAT EXCHANGERS FOR SORPTION BASED SOLAR COOLING APPLICATIONS." Thesis, KTH, Kraft- och värmeteknologi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-129165.

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The content of this Master thesis is the characterization of three different cross unmixed flow heat exchangers. All of the heat exchangers have different inner geometries and dimensions. In order to perform the characterization of these heat exchangers, measurements of heat transfer were done under different conditions: five different temperatures at the inlet of the sorption side, different mass flow for both inlet sides of the heat exchangers.The heat transfer measurements were done with and without applying indirect evaporative cooling in order to find out the influence of indirect evapora
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9

Renedo, Rouco Isabel. "Latest generation white dwarf cooling models : theory and applications." Doctoral thesis, Universitat Politècnica de Catalunya, 2014. http://hdl.handle.net/10803/285239.

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White dwarfs are the most common stellar evolutionary end-point. Moreover, they can be considered as reliable cosmic clocks to infer the age of a wide variety of stellar populations, including globular and open clusters. Consequently, there is a considerable interest in the study of white dwarf cooling models. In this thesis we used two different approaches. From a theorical perspective, we computed a set of new cooling white dwarfs sequences which incorporates the most up-to-date physical inputs for precision white dwarf cosmochronology and for asteroseismological studies of ZZ Ceti stars
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10

Vetter, David B. (David Brian). "Design of multi-passage cooling systems for avionics applications." Thesis, Massachusetts Institute of Technology, 1993. http://hdl.handle.net/1721.1/115475.

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11

Fiedel, Ethan R. "Cooling system early-stage design tool for naval applications." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/67778.

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Thesis (Nav. E. and S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2011.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 65-66).<br>This thesis utilizes concepts taken from the NAVSEA Design Practices and Criteria Manualfor Surface Ship Freshwater Systems and other references to create a Cooling System Design Tool (CSDT). With the development of new radars and combat system equipment on warships comes the increased demand for the means to remove the heat generated by these power-hungry systems. Whereas in the past, the relativ
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Ongkodjojo, Ong Andojo. "Electrohydrodynamic Microfabricated Ionic Wind Pumps for Electronics Cooling Applications." Case Western Reserve University School of Graduate Studies / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=case1354638816.

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13

Hou, Xiaofei. "Numerical modeling of complex heat transfer phenomena in cooling applications." Doctoral thesis, Universitat Politècnica de Catalunya, 2015. http://hdl.handle.net/10803/309294.

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Multiphase and multicomponent flows are frequently encountered in the cooling applications due to combined heat transfer and phase change phenomena. Two-fluid and homogeneous mixture models are chosen to numerically study these flows in the cooling phenomena. Therefore this work is divided in two main parts. In the first part, a two-fluid model algorithm for free surface flows is presented. The two fluid model is usually used as a tool to simulate dispersed flow. With its extension, it may also be applied to large interface (separated) flow. In the second part, the homogeneous mixture model fo
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Gohary, Mohamed Morsy Abdel Meguid Salama el. "Diesel engines and solar energy for electric and cooling applications." [S.l. : s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=973168242.

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15

Chen, Ava E. "Effectiveness of active cooling on torque performance for prosthestic applications." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/112572.

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Thesis: S.B., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 53-54).<br>Motors used to actuate powered prostheses generally under-utilize their torque capacity due to thermal limitations of the windings. This thesis investigates the effectiveness of increasing the rate of heat transfer away from the windings in order to enable running motors at higher currents than their rated maximum levels, thus raising this torque saturation limit. Simulation models and physical prototy
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16

Willingham, Ryan Alexander. "Testing and modeling of compressors for low-lift cooling applications." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/50560.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2009.<br>Includes bibliographical references (p. 133-136).<br>In this thesis, an inverter-driven variable speed scroll compressor is tested on a de-superheater test stand to determine its performance in areas of low-lift and low compressor speed. The goal is to adapt this test stand so that it could be used to test a reciprocating compressor in this region. A control program is written to maintain a constant saturated suction temperature, suction temperature, and saturated discharge temperature. The program
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Buker, Mahmut Sami. "Building integrated solar thermal collectors for heating & cooling applications." Thesis, University of Nottingham, 2015. http://eprints.nottingham.ac.uk/29009/.

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International Energy Agency Solar Heating & Cooling (IEA SHC) programme states the fact that space/water heating and cooling demand account for over 75% of the energy consumed in single and multi-family homes. Solar energy technology can meet up to 100% of this demand depending on the size of the system, storage capacity, the heat load and the region’s climate. Solar thermal collectors are particular type of heat extracting devices that convert solar radiation into thermal energy through a transport medium or flowing fluid. Although hybrid PV/T or thermal-alone systems offer some advantages to
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18

Al-Neama, Ahmed Fouad Mahmood. "Serpentine minichannel liquid-cooled heat sinks for electronics cooling applications." Thesis, University of Leeds, 2018. http://etheses.whiterose.ac.uk/20318/.

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The increasing density of transistors in electronic components is leading to an inexorable rise in the heat dissipation that must be achieved in order to preserve reliability and performance. Hence, improving the thermal management of electronic devices is a crucial goal for future generations of electronic systems. Therefore, a complementary experimental and numerical investigation of single-phase water flow and heat transfer characteristics of the benefits of employing three different configurations of serpentine minichannel heat sink (MCHS) designs has been performed, to assess their suitab
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Lionello, Michele. "Modelling and control of cooling systems for data center applications." Doctoral thesis, Università degli studi di Padova, 2019. http://hdl.handle.net/11577/3424786.

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Nowadays, the Data Center industry is playing a leading role in the world economic development and it is growing rapidly and constantly. Beside this, it has become more concerned with energy consumption and the associated environmental effects. Since about half of the total energy consumption in a typical Data Center is devoted to cooling the IT equipment, energy efficiency must be the primary focus in the design and management of the cooling infrastructure. In this Thesis, we consider the problem of optimizing the operation of cooling systems in Data Centers. The main objective is that of ma
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20

Westin, Johan. "AN IMPROVED THERMOREGULATORY MODEL FOR COOLING GARMENT APPLICATIONS WITH TRANSIENT METABOLIC RATES." Doctoral diss., University of Central Florida, 2008. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2526.

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Current state-of-the-art thermoregulatory models do not predict body temperatures with the accuracies that are required for the development of automatic cooling control in liquid cooling garment (LCG) systems. Automatic cooling control would be beneficial in a variety of space, aviation, military, and industrial environments for optimizing cooling efficiency, for making LCGs as portable and practical as possible, for alleviating the individual from manual cooling control, and for improving thermal comfort and cognitive performance. In this study, we adopt the Fiala thermoregulatory model, whic
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21

Ricklick, Mark. "CHARACTERIZATION OF AN INLINE ROW IMPINGEMENT CHANNEL FOR TURBINE BLADE COOLING APPLICATIONS." Doctoral diss., University of Central Florida, 2009. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2696.

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Gas turbines have become an intricate part of today's society. Besides powering practically all 200,000+ passenger aircraft in use today, they are also a predominate form of power generation when coupled with a generator. The fact that they are highly efficient, and capable of large power to weight ratios, makes gas turbines an ideal solution for many power requirement issues faced today. Designers have even been able to develop small, micro-turbines capable of producing efficient portable power. Part of the turbine's success is the fact that their efficiency levels have continuously risen sin
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22

Ashmore, Jonathan P., and n/a. "Laser Cooling and Trapping of Metastable Neon and Applications to Photoionization." Griffith University. School of Science, 2005. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20060202.153538.

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This thesis presents an in-depth study into the characterization and enhancement of a metastable neon laser cooled and trapped atomic beam. The apparatus consists of a standard Zeeman slowed atomic beam loaded into a magneto-optical trap and was designed for applications to electron scattering experiments and photoionization. The efficiency of the metastable neon atomic source was investigated to determine the ideal cathode type for maximum metastable production and optimal atomic beam velocity haracteristics. A series of characterization measurements were performed on the MOT, and the trap vo
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23

Green, Matthew J. "Feedback Applications in Active Noise Control for Small Axial Cooling Fans." Diss., CLICK HERE for online access, 2006. http://contentdm.lib.byu.edu/ETD/image/etd1539.pdf.

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24

Milnes, Joseph. "Computational modelling of the HyperVapotron cooling technique for nuclear fusion applications." Thesis, Cranfield University, 2010. http://dspace.lib.cranfield.ac.uk/handle/1826/5555.

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Efficient heat transfer technologies are essential for magnetically confined fusion reactors; this applies to both the current generation of experimental reactors as well as future power plants. A number of High Heat Flux devices have therefore been developed specifically for this application. One of the most promising candidates is the HyperVapotron, a water cooled device which relies on internal fins and boiling heat transfer to maximise the heat transfer capability. Over the past 30 years, numerous variations of the HyperVapotron have been built and tested at fusion research centres around
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Agyenim, Francis Boateng. "The development of medium temperature thermal energy storage for cooling applications." Thesis, University of Ulster, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.436852.

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26

Aryal, Anil. "EXPLORATION OF NOVEL MAGNETOCALORIC MATERIALS FOR APPLICATIONS IN MAGNETIC COOLING TECHNOLOGY." OpenSIUC, 2020. https://opensiuc.lib.siu.edu/dissertations/1813.

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The effect of doping on the crystal structure, magnetic, magnetocaloric and transport properties of MnM′Ge (M′ = Ni, Co) intermetallic compounds and NiMnX (X = Sn, In) Heusler alloys have been studied by room temperature X-ray diffraction (XRD), differential scanning calorimetry (DSC), and magnetization measurements. The studied magnetic systems include Ni1-xCrxMnGe1.05 (0 ≤ x ≤ 0.120), Mn1-xAlxCoGe (0 ≤ x ≤ 0.05), MnCo1-xZrxGe (0.01 ≤ x ≤ 0.04), Mn1-xAgxCoGe (0.01 ≤ x ≤ 0.10), Ni50-xRxMn35Sn15 (x = 0, 1 and R = La, Pr, Sm), Ni43-xRxMn46Sn11 (x = 0, 1 and R = Pr, Gd, Ho, Er), and Ni50Mn35In15-
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27

Verde, Trindade María. "MODELLING AND OPTIMIZATION OF AN ADSORPTION COOLING SYSTEM FOR AUTOMOTIVE APPLICATIONS." Doctoral thesis, Universitat Politècnica de València, 2015. http://hdl.handle.net/10251/54120.

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[EN] This PhD study deals with the modelling of an adsorption system designed to provide air conditioning for vehicles, and is driven by the waste heat available from the water/glycol cooling circuit of the engine. The system is based on the sequential heating/cooling of two sorption beds containing a solid sorption material which desorbs or adsorbs water vapour. The condensation of the vapour is carried out by a cooling circuit while the subsequent evaporation of the condensed liquid is employed to produce the cooling effect, generating chilled water, which is then employed to cool down the a
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Ashmore, Jonathan P. "Laser Cooling and Trapping of Metastable Neon and Applications to Photoionization." Thesis, Griffith University, 2005. http://hdl.handle.net/10072/367728.

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This thesis presents an in-depth study into the characterization and enhancement of a metastable neon laser cooled and trapped atomic beam. The apparatus consists of a standard Zeeman slowed atomic beam loaded into a magneto-optical trap and was designed for applications to electron scattering experiments and photoionization. The efficiency of the metastable neon atomic source was investigated to determine the ideal cathode type for maximum metastable production and optimal atomic beam velocity haracteristics. A series of characterization measurements were performed on the MOT, and the trap vo
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29

Matherson, Kristen Joy. "Laser Cooling Trapping of Metastable Neon and Applications to Collision Measurements." Thesis, Griffith University, 2010. http://hdl.handle.net/10072/367097.

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This thesis presents a new technique for measuring total absolute collision cross sections. Using this technique, the total absolute collision cross sections were determined for neon in the (3s)3P2 metastable state with ground state thermal atoms and molecules. A magneto-optical trap (MOT) is used in this technique which infers the cross sections via the measurement of population dynamics within the MOT to determine the collision cross section. This technique is capable of providing benchmark measurements of total absolute collision cross sections. The measurements are unique for the low aver
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Heffington, Samuel N. "Development and analysis of a vibration-induced droplet atomization module for high heat flux cooling applications." Diss., Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/16758.

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31

Dunn, Josh W. "Stochastic models of atom-photon dynamics with applications to cooling quantum gases." Connect to online resource, 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3273696.

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32

Elzaidabi, Abdalla Ali Mohamed. "Low energy, wind catcher assisted indirect-evaporative cooling system for building applications." Thesis, University of Nottingham, 2009. http://eprints.nottingham.ac.uk/10703/.

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Increased consciousness of the environmental problems has aroused people’s interest of renewable energy systems, especially the application of green features in buildings. The demand for air conditioning / cooling in domestic and non-domestic buildings is rising throughout the world; this increases the reliance on conventional fuels and the global warming effect from greenhouse gas emissions. Passive cooling and energy efficient design can substantially reduce reliance on fuel based heating and cooling. Passive and Hybrid Downdraught Cooling, in different forms, is now technically viable in ma
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Kulkarni, Aditya Narayan. "Computational and Experimental Investigation of Internal Cooling Passages for Gas Turbine Applications." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1590591363859471.

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34

Alpsan, Emrah. "Experimental Investigation And Numerical Analysis Of Microchannel Heatsinks For Phased Array Radar Cooling Applications." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609484/index.pdf.

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Experimental measurements and numerical simulations have been performed on copper and aluminum microchannel heatsinks of 300, 420, 500, and 900 &amp<br>#956<br>m channel widths. The heatsinks have been designed specifically for use with T/R (transmit/receive) module cooling applications of military phased array radars. An analytical calculation was also performed to aid in the design methodology. Distilled water was used as the coolant with flow rates ranging from 0.50 lpm (liters per minute) to 1.00 lpm. Local heat fluxes as high as 100 W/cm2 were tested. Upon completion of the experiments,
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Blackman, Corey. "Investigation of the performance of individual sorption components of a novel thermally driven heat pump for solar applications." Thesis, KTH, Tillämpad termodynamik och kylteknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-149877.

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An enhanced-modularity thermally driven chemical heat pump was conceptualised as a second generation product for various heating and cooling applications with special emphasis on solar applications. The typical characteristics of the absorption heat pump were studied and the key performance parameters were selected for further investigation. An experimental test rig was constructed to allow for the testing of each component’s performance characteristics with special attention being paid to the ability to interchange components to test various configurations as well as to the facilitation of st
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Langener, Tobias [Verfasser]. "A Contribution to Transpiraton Cooling for Aerospace Applications Using CMC Walls / Tobias Langener." München : Verlag Dr. Hut, 2011. http://d-nb.info/1015604986/34.

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Foroughi, Parisa. "Design and characterization of an electrohydrodynamic (EHD) micropump for cryogenic spot cooling applications." College Park, Md. : University of Maryland, 2008. http://hdl.handle.net/1903/8100.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2008.<br>Thesis research directed by: Dept. of Mechanical Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
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Lee, Hyuk-Jae 1965. "An efficient cooling algorithm for annealed neural networks with applications to optimization problems." Thesis, The University of Arizona, 1991. http://hdl.handle.net/10150/278008.

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In this thesis we consider an efficient cooling schedule for a mean field annealing (MFA) algorithm. We combine the MFA algorithm with microcanonical simulation (MCS) method and propose a new algorithm called the microcanonical mean field annealing (MCMFA) algorithm. In the proposed algorithm, the cooling speed is controlled by the current temperature so that the amount of computation in MFA can be reduced without a degradation of performance. Unlike that produced by MFA, the solution quality produced by MCMFA is not affected by the choice of the initial temperature. Properties of MCMFA are an
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Wang, Wen Bo. "Cryopreservation of Nereis virens sars and Arenicola marina L. larvae : mechanisms and applications in aquaculture." Thesis, University of Newcastle upon Tyne, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.245712.

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Dietz, Carter Reynolds. "Single-phase forced convection in a microchannel with carbon nanotubes for electronic cooling applications." Thesis, Available online, Georgia Institute of Technology, 2007, 2007. http://etd.gatech.edu/theses/available/etd-07052007-155623/.

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Thesis (M. S.)--Mechanical Engineering, Georgia Institute of Technology, 2008.<br>Dr. David Gerlach, Committee Member ; Dr. Samuel Graham, Committee Member ; Dr. Minami Yoda, Committee Member ; Dr. Yogendra Joshi, Committee Chair.
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Blackman, Corey. "Evaluation of a Modular Thermally Driven Heat Pump for Solar Heating and Cooling Applications." Licentiate thesis, Mälardalens högskola, Framtidens energi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:du-20321.

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Exploiting solar energy technology for both heating and cooling purposes has the potential of meeting an appreciable portion of the energy demand in buildings throughout the year. By developing an integrated, multi-purpose solar energy system, that can operate all twelve months of the year, a high utilisation factor can be achieved which translates to more economical systems. However, there are still some techno-economic barriers to the general commercialisation and market penetration of such technologies. These are associated with high system and installation costs, significant system complex
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Katkov, I. I., V. F. Bolyukh, Y. Liu, D. Wu, E. Y. Snyder, and S. Agarwal. "Krioblast™, a systemfor kinetic vitrification byhyperfast cooling: applications for reproductive & stem cells." Thesis, Elsevier Inc, 2013. http://repository.kpi.kharkov.ua/handle/KhPI-Press/30130.

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Drayna, Garrett Korda. "Novel Applications of Buffer-Gas Cooling to Cold Atoms, Diatomic Molecules, and Large Molecules." Thesis, Harvard University, 2016. http://nrs.harvard.edu/urn-3:HUL.InstRepos:26718757.

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Cold gases of atoms and molecules provide a system for the exploration of a diverse set of physical phenomena. For example, cold gasses of magnetically and electrically polar atoms and molecules are ideal systems for quantum simulation and quantum computation experiments, and cold gasses of large polar molecules allow for novel spectroscopic techniques. Buffer-gas cooling is a robust and widely applicable method for cooling atoms and molecules to temperatures of approximately 1 Kelvin. In this thesis, I present novel applications of buffer-gas cooling to obtaining gases of trapped, ultracold a
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44

Nyamuda, Gibson Peter. "Design and development of an external cavity diode laser for laser cooling and spectroscopy applications." Thesis, Link to the online version, 2006. http://hdl.handle.net/10019/1146.

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Dakkama, Hassan Jawdat Fadhiel. "Experimental investigation of MOF adsorption system for ice making, freeze water desalination and cooling applications." Thesis, University of Birmingham, 2017. http://etheses.bham.ac.uk//id/eprint/7837/.

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This work describes the development of Metal Organic Frameworks based adsorption system for producing ice, cooling, ice slurry and potable water using a CP0-27(Ni) and potable/sea water as working pair. Also a novel vacuum based direct freezing technique has been developed in the evaporator of the adsorption ice making system. In this new technique, cooling is generated in the evaporator to produce three outputs, namely, ice, ice slurry and cooling by lowering the freezing point of water using sea salt. The ice and ice slurry are produced in the evaporator during the adsorption-evaporation pro
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46

Song, Keun Min. "Wall Modeled Large-Eddy Simulations in Rotating Systems for Applications to Turbine Blade Internal Cooling." Thesis, Virginia Tech, 2012. http://hdl.handle.net/10919/31080.

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Large-Eddy Simulations (LES or wall-resolved LES, WRLES) has been used extensively in capturing the physics of anisotropic turbulent flows. However, near wall turbulent scales in the inner layer in wall bounded flows makes it unfeasible for large Reynolds numbers due to grid requirements. This study evaluates the use of a wall model for LES (WMLES) on a channel with rotation at ã Reã _b = 34,000 from ã Roã _b = 0 to 0.38, non-staggered 90° ribbed duct with rotation at ã Reã _b = 20,000 from ã Roã _b = 0 to 0.70, stationary 45° staggered ribbed duct at ã Reã _b = 49,000, and two-pas
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Parida, Pritish Ranjan. "Optimization and Fabrication of Heat Exchangers for High-Density Power Control Unit Applications." Diss., Virginia Tech, 2010. http://hdl.handle.net/10919/77165.

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The demand for more power and performance from electronic equipment has constantly been growing resulting in an increased amount of heat dissipation from these devices. Thermal management of high-density power control units for hybrid electric vehicles is one such application. Over the last few years, the performance of this power control unit has been improved and size has been reduced to attain higher efficiency and performance causing the heat dissipation as well as heat density to increase significantly. However, the overall cooling system has remained unchanged and only the heat exchanger
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48

Liangruksa, Monrudee. "Nanoscale thermal transport for biological and physical applications." Diss., Virginia Tech, 2011. http://hdl.handle.net/10919/29770.

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Abstract:
Nanotechnology has made it possible to create materials with unique properties. This development offers new opportunities and overcomes challenges for many thermal transport applications. Yet, it requires a more fundamental scientific understanding of nanoscale transport. This thesis emphasizes how simulation, mathematical, and numerical methods can lead to more grounded studies of nanoscale thermal transport for biological and physical applications. For instance, magnetic fluid hyperthermia (MFH), an emerging cancer treatment, is a noninvasive method to selectively destroy a tumor by heati
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49

Glassman, Brian. "Spray Cooling for Land, Sea, Air and Space Based Applications, A Fluid Managment System for Multiple Nozzle Spray Cooling and a Guide to High Heat Flux Heater Design." Master's thesis, University of Central Florida, 2005. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3521.

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This thesis is divided into four distinct chapters all linked by the topic of spray cooling. Chapter one gives a detailed categorization of future and current spray cooling applications, and reviews the major advantages and disadvantages that spray cooling has over other high heat flux cooling techniques. Chapter two outlines the developmental goals of spray cooling, which are to increase the output of a current system and to enable new technologies to be technically feasible. Furthermore, this chapter outlines in detail the impact that land, air, sea, and space environments have on the coolin
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50

Schiochet, Giovanni. "DEVELOPMENTS IN THERMAL MANAGEMENT FOR ELECTRONIC DEVICES IN AEROSPACE APPLICATIONS." Doctoral thesis, Università degli studi di Padova, 2010. http://hdl.handle.net/11577/3422255.

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Abstract:
Recently, the electronic industry has had to face the issue of dissipation of high heat fluxes, as they have increased due to miniaturization of electronics devices, in order to keep chip junction temperature below a fixed value to guarantee reliability and to avoid damage. This issue has also involved the aeronautics industry, which has for the most part favored air cooling systems; however, they are no longer suitable to meet avionics requirements and thus of power electronics. In fact, as avionics demands higher heat fluxes, power electronics, that is the set of transformers, converters,
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