Academic literature on the topic 'External heat'

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Journal articles on the topic "External heat"

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Kirillov, Valery, Alexandr Samoilov, Alexey Shigarov, Denis Ivanov, and Dmitry Vladimirovich. "Thermochemical Heat Recovery Based on External Heat Engine." Biosciences, Biotechnology Research Asia 12, no. 3 (2015): 3027–39. http://dx.doi.org/10.13005/bbra/1986.

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Mohd. Herzwan Hamzah and Azri Alias. "Heat Generation Inside Turbocharger Without External Heat Source." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 100, no. 2 (2022): 47–59. http://dx.doi.org/10.37934/arfmts.100.2.4759.

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Recently, many vehicle manufacturers started to invest in new technology to reduce the emission produced by their engines. Due to the emission regulations that become more stringent and the rising demand for highly efficient vehicles, many new technologies were introduced to achieve the demand. One of the technologies that gain popularity in modern vehicles is applying force induction systems such as turbocharging and supercharging the engine. By using the turbocharger, two major advantages can be achieved which are increasing engine efficiency and engine size reduction. However, turbocharger
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Schmal, J. P., H. J. Van Der Kooi, A. De Rijke, Ž. Olujić, and P. J. Jansens. "Internal Versus External Heat Integration." Chemical Engineering Research and Design 84, no. 5 (2006): 374–80. http://dx.doi.org/10.1205/cherd05041.

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Han, Shilei, Pengfei Liu, Bo Kuang, and Yanhua Yang. "Experimental Research for CHF Sensitivity of Heat Flux Distribution under IVR Conditions." Science and Technology of Nuclear Installations 2022 (March 16, 2022): 1–14. http://dx.doi.org/10.1155/2022/3522470.

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In-vessel retention (IVR) through external reactor vessel cooling (ERVC) is one of the most effective severe accident mitigation measures in the nuclear power plants. The most influential issues on the IVR strategy are in-vessel core melt evolution, the heat fluxes imposed on the lower head, and the external cooling of reactor pressurized vessel (RPV). In the molten pool research, there are mainly two different molten pool configurations: two layers and three layers. Based on the different distributions of heat flux in molten pool configurations, a new problem was raised: whether the in-vessel
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Wang, Li-Juan, Yan-Feng Liu, and Jia-Ping Liu. "Heat transfer of external building envelopes." Thermal Science 19, no. 4 (2015): 1407–10. http://dx.doi.org/10.2298/tsci1504407w.

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Three outdoor boundary conditions are considered for heat transfer of external building envelopes. Comparison with other models in open literature reveals significant advantage of the present model, which can be used for optimal design of indoor climate.
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English, Michael J. "Comparison of External Heat Exchange Systems." Anesthesiology 98, no. 5 (2003): 1298. http://dx.doi.org/10.1097/00000542-200305000-00048.

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Kabbara, Abdallah, Charles E. Smith, and Alfred C. Pinchak. "Comparison of External Heat Exchange Systems." Anesthesiology 98, no. 5 (2003): 1298–99. http://dx.doi.org/10.1097/00000542-200305000-00049.

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Zhukauskas, A. A. "Convective heat transfer in external flows." Journal of Engineering Physics 53, no. 5 (1987): 1240–46. http://dx.doi.org/10.1007/bf00871082.

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Wang, Yun, Kejin Huang, and Shaofeng Wang. "A Simplified Scheme of Externally Heat-Integrated Double Distillation Columns (EHIDDiC) with Three External Heat Exchangers." Industrial & Engineering Chemistry Research 49, no. 7 (2010): 3349–64. http://dx.doi.org/10.1021/ie901534q.

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Devarakonda, Surendra Balaji, Pallavi Bulusu, Marwan Al-rjoub, Amit Bhattacharya, and Rupak Kumar Banerjee. "Influence of external head cooling on the head, core body and blood temperatures using 3D whole-body model." International Journal of Numerical Methods for Heat & Fluid Flow 28, no. 10 (2018): 2491–504. http://dx.doi.org/10.1108/hff-11-2017-0442.

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Purpose The purpose of this study is to evaluate the impact of external head cooling on alleviating the heat stress in the human body by analyzing the temperatures of the core body (Tc), blood (Tblood) and head (Th) during exercise conditions using 3D whole body model. Design/methodology/approach Computational study is conducted to comprehend the influence of external head cooling on Tc, Tblood and Th. The Pennes bioheat and energy balance equations formulated for the whole-body model are solved concurrently to obtain Tc, Tblood and Th for external head cooling values from 33 to 233 W/m2. Incr
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Dissertations / Theses on the topic "External heat"

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Supranto, S. "Heat pump assisted distillation with an external working fluid." Thesis, University of Salford, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.483170.

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Lee, Yee-Ping. "Heat fluxes and flame heights on external facades from enclosure fires." Thesis, University of Ulster, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.423446.

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Abecassis, Empis Cecilia. "Analysis of the compartment fire parameters influencing the heat flux incident on the structural façade." Thesis, University of Edinburgh, 2010. http://hdl.handle.net/1842/4188.

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In recent years several high-profile building fires have highlighted shortcomings in the way we design for the complex interaction of structures and fire. These weaknesses appear to arise from a combination of gaps in knowledge of some of the more intricate aspects of compartment fire dynamics and from limitations in the engineering applications developed to date from hitherto established fundamentals. In particular the One Meridian Plaza Fire (1991), the Madrid Windsor Tower Fire (2005) and the Lakanal House Fire (2009) have emphasised the need for further study in the field of post-flashover
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Nagavarapu, Ananda Krishna. "Binary fluid heat and mass exchange at the microscale in internal and external ammonia-water absorption." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/45777.

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Absorption space-conditioning systems are environmentally benign alternatives to vapor compression systems and have the capability of being driven by waste heat. However, a lack of practically feasible and economically viable compact heat and mass exchangers is a major limitation in the success of this technology. The viability of the absorption cycle depends upon the performance of the absorber, which experiences large heat and mass transfer resistances due to adverse temperature and concentration gradients during the phase change of the binary mixture working fluid, resulting in large overal
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Taleb, Aly. "Technologies for the conversion of external heat to power with reciprocating motion." Thesis, Imperial College London, 2017. http://hdl.handle.net/10044/1/50178.

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Reciprocating energy-conversion devices, such as ORCs using reciprocating expanders or Thermofluidic Oscillators (TFOs), are promising technologies for the conversion of low- or medium-grade heat from waste heat, solar, or geothermal sources at power outputs below 100 kW. In this thesis, three topics associated with reciprocating machines are investigated. Firstly, a novel two-phase TFO engine concept, named ERPE, is modelled using a linear dynamic approach. Secondly, the use of working-fluid mixtures in ORCs is examined. Thirdly, unsteady heat-transfer losses associated with reciprocating mot
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Beale, James H. "Internal flow subjected to an axial variation of the external heat transfer coefficient." Thesis, Virginia Polytechnic Institute and State University, 1987. http://hdl.handle.net/10919/91162.

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A theoretical investigation of internal flow subjected to an axial variation of the external convection coefficient is presented. Since the variable boundary condition parameter causes the problem to become nonseparable, conventional techniques do not apply. Instead, the Green's function technique is used to convert the governing partial differential equations into a singular Volterra integral equation for the temperature of the fluid at the wall. The integral equation is resolved numerically by the trapezoid rule with the aid of a singularity subtraction procedure. The solution methodology is
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Hussey, Joseph. "The development of a prototype external heat engine based on the Ericsson cycle." Master's thesis, University of Cape Town, 2000. http://hdl.handle.net/11427/7687.

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Includes bibliographical references.<br>The aim of this thesis was to develop a prototype external heat engine based on the Ericsson cycle, as an alternative to the internal combustion engine, to be used as a small-scale power source for rural Africa. Subsequently test and evaluate its viability and potential to fulfil the requirements of such an application. Despite the wide range of possible prime movers, it appears there is still a need for a simple, low-tech, low-output power plant for developing countries. This created an opportunity to revisit the origins of basic engine design in order t
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Elder, Erin N. "Internal Heat Transfer and External Effectiveness Measurements for a Novel Turbine Blade Cooling Design." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/77004.

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Efficiency and power output of gas turbines improve with an increase in turbine inlet temperatures, and blade designers continually seek out new methods of increasing these temperatures. Increases in turbine inlet temperatures are achieved by utilizing a combination of internal convective cooling and external film-cooling. This study will evaluate several novel cooling schemes for turbine airfoils, called microcircuits. Microcircuits are placed inside the turbine blade wall, and the features turbulate the air and increase heat transfer surface area, thereby augmenting convective cooling. The c
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Eliyan, Faysal Fayez. "External oil pipeline corrosion of near-fusion heat-affected zones simulated from high-strength steels." Thesis, University of British Columbia, 2014. http://hdl.handle.net/2429/51127.

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The thesis evaluates the external pipeline corrosion at the near-fusion Heat-Affected Zones (HAZs). The HAZs were simulated by Gleeble© thermal cycles by which specific thermal conditions during pipeline welding are applied. They were applied on the high-strength steels API-X100 and API-X80. The thermal cycles were set to simulate the HAZs that are in direct adjacency to the fusion zone, where the temperature is high enough to transform the starting microstructure of the base metal into the single phase austenite. In the thermal simulations, the peak temperatures, cooling rates, and peak-tempe
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Enico, Daniel. "External Heat Transfer Coefficient Predictions on a Transonic Turbine Nozzle Guide Vane Using Computational Fluid Dynamics." Thesis, Linköpings universitet, Mekanisk värmeteori och strömningslära, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-178173.

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The high turbine inlet temperature of modern gas turbines poses a challenge to the material used in the turbine blading of the primary stages. Mechanical failure mechanisms are more pronounced at these high temperatures, setting the lifetime of the blade. It is therefore crucial to obtain accurate local metal temperature predictions of the turbine blade. Accurately predicting the external heat transfer coefficient (HTC) distribution of the blade is therefore of uttermost importance. At present time, Siemens Energy uses the boundary layer code TEXSTAN for this purpose. The limitations coupled t
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Books on the topic "External heat"

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J, Yang R., and United States. National Aeronautics and Space Administration., eds. Turbine vane external heat transfer: Final report. NASA, 1985.

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Gorla, Rama S. R. Navier-Stokes analysis of turbomachinery blade external heat transfer. National Aeronautics and Space Administration, 1991.

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Gorla, Rama S. R. Navier-Stokes analysis of turbomachinery blade external heat transfer. National Aeronautics and Space Administration, 1991.

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Supranto, S. Heat pump assisted distillation with an external working fluid. University of Salford, 1986.

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Engineers, Society of Fire Protection. Engineering guide: Assessing flame radiation to external targets from pool fires. Society of Fire Protection Engineers, 1999.

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Dodda, Sadasivudu. Studies on heat pump assisted distillation with an external working fluid. University of Salford, 1986.

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McCarthy, J. Insulation of external walls in housing =: Teasdíonadh na mballaí seachtracha i dtithíocht. An Foras Forbartha, The National Institute for Physical Planning and Construction Research, 1987.

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Bomberg, Mark. Spray polyurethane foam in external envelopes of buildings. Technomic Pub., Co., 1998.

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Fong, Randy W. L., 1954- and Chalk River Laboratories, eds. External glass peening of zircaloy calandria tubes to increase the critical heat flux. Chalk River Laboratories, 1997.

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United States. National Aeronautics and Space Administration., ed. Analysis of heat-transfer measurements from two AEDC wind tunnels on the shuttle external tank: Final report. Arnold Engineering Development Center, 1985.

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Book chapters on the topic "External heat"

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Han, Je-Chin, and Lesley M. Wright. "External Forced Convection." In Analytical Heat Transfer, 2nd ed. CRC Press, 2022. http://dx.doi.org/10.1201/9781003164487-7.

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Jiji, Latif M. "CONVECTION IN EXTERNAL TURBULENT FLOW." In Heat Convection. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-02971-4_8.

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Venkateshan, S. P. "Laminar Convection in External Flow." In Heat Transfer. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-58338-5_13.

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Grassi, Walter. "The External Sources: Water and Ground." In Heat Pumps. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-62199-9_6.

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Bennett, Matthew R. "Earth’s External Heat Engine." In Our Dynamic Earth: A Primer. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-90351-0_4.

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Jiji, Latif M. "BOUNDARY LAYER FLOW: APPLICATION TO EXTERNAL FLOW." In Heat Convection. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-02971-4_4.

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Gülen, S. Can. "External Combustion Engines." In Applied Second Law Analysis of Heat Engine Cycles. CRC Press, 2023. http://dx.doi.org/10.1201/9781003247418-13.

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Kast, Werner, Herbert Klan, and (Revised by André Thess). "F2 Heat Transfer by Free Convection: External Flows." In VDI Heat Atlas. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-77877-6_120.

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Beausoleil-Morrison, Ian. "Convection heat transfer at external surfaces." In Fundamentals of Building Performance Simulation. Routledge, 2020. http://dx.doi.org/10.1201/9781003055273-13.

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Beausoleil-Morrison, Ian. "Convection Heat Transfer at External Surfaces." In Fundamentals of Building Performance Simulation, 2nd ed. Routledge, 2025. https://doi.org/10.1201/9781003492870-10.

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Conference papers on the topic "External heat"

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Derez, Matthias, Alexander Hoogsteyn, and Erik Delarue. "Optimisation of Electrolyser Operation: Integrating External Heat." In 2025 21st International Conference on the European Energy Market (EEM). IEEE, 2025. https://doi.org/10.1109/eem64765.2025.11050274.

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Mekidiche, Zinet, Juan A. Labarta, and Jos� A. Caballero. "Optimizing Heat Recovery: Advanced Design of Integrated Heat Exchanger Networks with ORCs and Heat Pumps." In The 35th European Symposium on Computer Aided Process Engineering. PSE Press, 2025. https://doi.org/10.69997/sct.155956.

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A comprehensive model has been developed to design heat exchanger networks integrated with organic Rankine cycles (ORCs) and heat pumps, aiming to optimize energy efficiency. The model focuses on two key objectives: first, using heat pumps to reduce dependency on external services by enhancing heat recovery within the system; second, utilizing ORCs to recover residual heat or generate additional energy. To achieve optimal performance, the model requires careful selection of fluids for both ORCs and heat pumps, and the determination of optimal operating temperatures for maximum efficiency. The
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Mitchell, D. R. G., D. J. Young, and W. Kleeman. "Carburisation-Oxidation of Heat Resistant Austenitic Steels." In CORROSION 1992. NACE International, 1992. https://doi.org/10.5006/c1992-92302.

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Abstract The effects of alloying additions of silicon, molybdenum, reactive elements (Ti, Y, Ta, Hf, Nb, Zr), cobalt, aluminium and nickel, in cast, heat-resistant steels on their carburisation resistance have been investigated at temperatures of 900 to 1150°C. Under strongly reducing conditions, where neither silicon nor chromium oxidise, it is found that all the alloying additions, with the exception of cobalt, slow carburisation rates significantly. In the case of molybdenum and reactive elements, the beneficial effect is attributed to diffusional blocking of carbon flux due to the formatio
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ROUSAR, D., M. MCILWAIN, F. CROSSLEY, C. SHORES, and J. STAMMER. "External SSME heat exchanger." In 26th Joint Propulsion Conference. American Institute of Aeronautics and Astronautics, 1990. http://dx.doi.org/10.2514/6.1990-2298.

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Vasilakis, Andrew D., and John F. Thomas. "Stirling Heat Pump External Heat Systems: An Appliance Perspective." In 27th Intersociety Energy Conversion Engineering Conference (1992). SAE International, 1992. http://dx.doi.org/10.4271/929150.

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Zukauskas, Algirdas. "RECENT ADVANCES IN EXTERNAL FORCED CONVECTION HEAT TRANSFER." In International Heat Transfer Conference 10. Begellhouse, 1994. http://dx.doi.org/10.1615/ihtc10.1870.

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WEDEL, R., and T. ZINGALE. "External heat loads on a cryogenic radiator." In 26th Thermophysics Conference. American Institute of Aeronautics and Astronautics, 1991. http://dx.doi.org/10.2514/6.1991-1418.

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Proto, A., E. L. Burnham, A. Schock, and J. Viziteu. "Beat The Heat: Managing Heat Stroke With An External Cooling Device." In American Thoracic Society 2023 International Conference, May 19-24, 2023 - Washington, DC. American Thoracic Society, 2023. http://dx.doi.org/10.1164/ajrccm-conference.2023.207.1_meetingabstracts.a1735.

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Mathew, B., and H. Hegab. "Effectiveness of Parallel Flow Microchannel Heat Exchangers With External Heat Transfer and Internal Heat Generation." In ASME 2008 Heat Transfer Summer Conference collocated with the Fluids Engineering, Energy Sustainability, and 3rd Energy Nanotechnology Conferences. ASMEDC, 2008. http://dx.doi.org/10.1115/ht2008-56315.

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In this paper the thermal performance of balanced parallel flow microchannel heat exchangers subjected to external heat transfer and internal heat generation have been numerically analyzed. The governing equations were numerically solved to obtain the axial temperatures of the fluids. The effectiveness of each fluid was determined using the inlet and outlet temperatures obtained from the numerical analysis. Moreover, the heat transferred between the individual fluids and the ambient as well as that between the fluids were numerically determined. The effectiveness depended on NTU, ambient tempe
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Vilnītis, M., J. Noviks, B. Gaujēna, and J. Paplavskis. "Impact of external factors on humidity migration processes in walls made from autoclaved aerated concrete." In HEAT TRANSFER 2010. WIT Press, 2010. http://dx.doi.org/10.2495/ht100241.

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Reports on the topic "External heat"

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Godett, Ted M., and Benjamin Ziph. Stirling Engine External Heat System Design with Heat Pipe Heater. Defense Technical Information Center, 1986. http://dx.doi.org/10.21236/ada173813.

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Vasilakis, A. D. Technology assessment of external heat systems for Stirling heat pumps. Final report. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/88661.

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Frazier, T. A., and S. T. Christenbury. External Pressure Testing of the 60-Watt Isotopic Heat Source. Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/1123504.

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Dechant, Lawrence, and Justin Smith. Internal (Annular) and Compressible External (Flat Plate) Turbulent Flow Heat Transfer Correlations. Office of Scientific and Technical Information (OSTI), 2016. http://dx.doi.org/10.2172/1235524.

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Kohler, Christian, Yash Shukla, and Rajan Rawal. Calculating the Effect of External Shading on the Solar Heat Gain Coefficient of Windows. Office of Scientific and Technical Information (OSTI), 2017. http://dx.doi.org/10.2172/1398508.

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Nelson, Thomas, Donald Agresta, and James Ehret. Heat Dissipation for High Power Optically Pumped Semiconductor Vertical External Cavity Surface Emitting Lasers. Defense Technical Information Center, 2003. http://dx.doi.org/10.21236/ada419156.

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Xu, Ben. 3D Printing of Solar Absorber Tube with Internal/External Structures for Heat Transfer Enhancement and Temperature Leveling using Additive Manufacturing Technology. Office of Scientific and Technical Information (OSTI), 2021. http://dx.doi.org/10.2172/2375525.

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Johra, Hicham. Performance overview of caloric heat pumps: magnetocaloric, elastocaloric, electrocaloric and barocaloric systems. Department of the Built Environment, Aalborg University, 2022. http://dx.doi.org/10.54337/aau467469997.

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Heat pumps are an excellent solution to supply heating and cooling for indoor space conditioning and domestic hot water production. Conventional heat pumps are typically electrically driven and operate with a vapour-compression thermodynamic cycle of refrigerant fluid to transfer heat from a cold source to a warmer sink. This mature technology is cost-effective and achieves appreciable coefficients of performance (COP). The heat pump market demand is driven up by the urge to improve the energy efficiency of building heating systems coupled with the increase of global cooling needs for air-cond
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Fuchs, Marcel, Ishaiah Segal, Ehude Dayan, and K. Jordan. Improving Greenhouse Microclimate Control with the Help of Plant Temperature Measurements. United States Department of Agriculture, 1995. http://dx.doi.org/10.32747/1995.7604930.bard.

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A model of the energy balance of a transpiring crop in a greenhouse was developed in a format suitable for use in climate control algorithms aimed at dissipating excess heat during the warm periods. The model's parameters use external climatic variables as input. It incorporates radiation and convective transfer functions related to the operation of control devices like shading screens, vents, fans and enhanced evaporative cooling devices. The model identified the leaf boundary-layer resistance and the leaf stomatal and cuticular resistance as critical parameters regulating the temperature of
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Petzke, Jonas, Dennis Kleinschmidt, and Florian Brüning. Simulative approach for predicting the heating behavior of elastomers in the solid-state microwave heating process. Universidad de los Andes, 2024. https://doi.org/10.51573/andes.pps39.gs.ms.2.

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The increasing demand for energy efficient vulcanization of rubber extrusions requires the optimization and further development of existing processes. Microwave vulcanization allows the energy required for this process to be coupled directly into the material via dielectric losses. Microwave heating requires the polarity of the rubber so that the electromagnetic wave can cause the polar components of the material to vibrate. These vibrations cause internal friction, resulting in an increase in the temperature of the rubber compound. In this research project, microwaves were used to heat a rubb
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