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A Numerical Study Of Natural Convection And Radiation Heat Transfer In A Thermoelectric Couple
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Book Synopsis A Numerical Study of Natural Convection and Radiation Heat Transfer in a Thermoelectric Couple by : Sruthisagar Kasturirangan
Download or read book A Numerical Study of Natural Convection and Radiation Heat Transfer in a Thermoelectric Couple written by Sruthisagar Kasturirangan and published by . This book was released on 2005 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heat transfer plays an important role in the design of efficient thermoelectric (TE) devices. Currently, a TE device constructed from bismuth-telluride with figure of merit, ZT, of unity can achieve an ideal efficiency of about 12%. However, the efficiency achieved in practice is less than 5%. This difference between the ideal and the actual efficiencies can largely be attributed to heat transfer. A numerical study based on three-dimensional CFD analysis was performed to investigate natural convection and radiation heat transfer that take place in the space between the thermoelectric legs in thermoelectric (TE) modules. Parameters studied include staggered and non-staggered arrangement of the TE legs, length of the legs, spacing between legs, and difference between the hot and cold temperatures. Results obtained show natural convection and radiation can both be important. Radiation increases in importance as surface emissivity increases. Also, radiation heat transfer increases as leg length shortens, leg spacing, and temperature difference increases. This data will be used to guide design. Results also show that there is net transfer of heat to TE legs from the hot walls of the cavity. This presents a new design opportunity.
Book Synopsis Natural Convection Heat Transfer from Line and Wider Sources by : Tzu Yang Lin
Download or read book Natural Convection Heat Transfer from Line and Wider Sources written by Tzu Yang Lin and published by . This book was released on 1969 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Natural and Mixed Convection Heat Transfer by : Santosh Taji
Download or read book Natural and Mixed Convection Heat Transfer written by Santosh Taji and published by . This book was released on 2017-02-28 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Part I: An Experimental and Analytical Study of Natural Convection with Appreciable Thermal Radiation Effects by : Tore Audunson
Download or read book Part I: An Experimental and Analytical Study of Natural Convection with Appreciable Thermal Radiation Effects written by Tore Audunson and published by . This book was released on 1971 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Three-dimensional Natural Convection in a Box by : Gordon Draisey Mallinson
Download or read book Three-dimensional Natural Convection in a Box written by Gordon Draisey Mallinson and published by . This book was released on 1977 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the 26th National Conference on Fluid Mechanics and Fluid Power by : B. Maiti
Download or read book Proceedings of the 26th National Conference on Fluid Mechanics and Fluid Power written by B. Maiti and published by Allied Publishers. This book was released on 1999 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Numerical Study of the Conjugate Conduction-Convection Heat Transfer Problem by :
Download or read book A Numerical Study of the Conjugate Conduction-Convection Heat Transfer Problem written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Transmission of Heat by Radiation and Convection by : Great Britain. Food Investigation Board
Download or read book The Transmission of Heat by Radiation and Convection written by Great Britain. Food Investigation Board and published by . This book was released on 1922 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applied mechanics reviews written by and published by . This book was released on 1948 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Commencement by : Iowa State University
Download or read book Commencement written by Iowa State University and published by . This book was released on 2004 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Interaction of Gaseous Radiation and Natural Convection Heat Transfer in an Enclosed Layer Between Two Vertical Parallel Plates by : John C.. Bratis
Download or read book Interaction of Gaseous Radiation and Natural Convection Heat Transfer in an Enclosed Layer Between Two Vertical Parallel Plates written by John C.. Bratis and published by . This book was released on 1972 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: The radiation-free convection interaction in a rectangular enclosure is studied for the conduction and the boundary layer regimes. The temperature profiles across the layer are obtained with the use of a Mach-Zehnder interferometer and from these the conductive heat flux at the heated, highly reflecting wall is estimated. The gases being employed are pure nitrogen, pure ammonia, and ammonia nitrogen mixtures. The results for the conduction regime are compared to the numerical results of the radiation-conduction interaction in a horizontal gaseous layer. The agreement is very good and this verifies the validity of the estimated spectroscopic parameters of ammonia. The experimental results for the boundary layer regime are presented as Nusselt Number versus the Grashof number based on the distance from the starting corner and the difference between wall temperature gradient becomes zero. In the analysis the interaction between radiation and convection is examined for the free convection from a constant temperature, vertical flat plate in an infinite medium. The wall is assumed perfectly reflecting and the exponential wide band model is employed for describing the total band absorptantce for the limiting cases of the linear, the square root, and the logarithmic absorption. Analytical results are obtained as a ration of the conductive heat flux at the wall to the calculated in the absence of radiation for pure ammonia, pure nitroux oxide, and their mixtures with nitrogen. A comparison between experimental and analytical results is made in which the experimental results of pure nitrogen are utilized. These are modified in order to account for the difference in Prandtl number between nitrogen and ammonia or ammonia-nitrogen mixtures as well as for the radiation-convection radiation. The agreement between experiment and analysis is very good. The prediction in some of the cases investigated of higher interaction values in explained.
Book Synopsis An Analytical Study of Natural Convection Heat Transfer in Annular Sectors by : Eric William Grald
Download or read book An Analytical Study of Natural Convection Heat Transfer in Annular Sectors written by Eric William Grald and published by . This book was released on 1986 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Natural Convection of Air in a Square Cavity by : Graham De Vahl Davis
Download or read book Natural Convection of Air in a Square Cavity written by Graham De Vahl Davis and published by . This book was released on 1982 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Master's Theses Directories written by and published by . This book was released on 2005 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Education, arts and social sciences, natural and technical sciences in the United States and Canada".
Download or read book Conduction written by A. E. Bergles and published by . This book was released on 1982 with total page 593 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heat Transfer Enhancement with Nanofluids by : Vincenzo Bianco
Download or read book Heat Transfer Enhancement with Nanofluids written by Vincenzo Bianco and published by CRC Press. This book was released on 2015-04-01 with total page 473 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanofluids are gaining the attention of scientists and researchers around the world. This new category of heat transfer medium improves the thermal conductivity of fluid by suspending small solid particles within it and offers the possibility of increased heat transfer in a variety of applications. Bringing together expert contributions from
