Low Reynolds Number Flow Heat Exchangers
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Low Reynolds Number Flow Heat Exchangers
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Author : Sadık Kakaç
language : en
Publisher: Springer
Release Date : 1983
Low Reynolds Number Flow Heat Exchangers written by Sadık Kakaç and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Heat exchangers categories.
Low Reynolds Number Flow Heat Exchangers Proceedings Of The 4 Nato Asi On Heat Transfer Ankara 1981
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Author :
language : en
Publisher:
Release Date : 1983
Low Reynolds Number Flow Heat Exchangers Proceedings Of The 4 Nato Asi On Heat Transfer Ankara 1981 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.
Low Reynolds Number Flow Heat Exchangers
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Author :
language : en
Publisher:
Release Date : 1983
Low Reynolds Number Flow Heat Exchangers written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Heat exchangers categories.
Low Reynolds Number Flow Heat Exchangers
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Author : Sadik Kakaç
language : en
Publisher:
Release Date : 1983
Low Reynolds Number Flow Heat Exchangers written by Sadik Kakaç and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.
Low Reynolds Number Flow Heat Exchangers Proceedings Of The Fourth Nato Asi On Heat Transfer Ankara Turkey July 13 24 1981
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Author : Kakac S Ed
language : en
Publisher:
Release Date : 1983
Low Reynolds Number Flow Heat Exchangers Proceedings Of The Fourth Nato Asi On Heat Transfer Ankara Turkey July 13 24 1981 written by Kakac S Ed and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.
Performance Of A Plate Exchanger At Low Reynolds Number Flow
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Author : M. N. Rathor
language : en
Publisher:
Release Date : 1987
Performance Of A Plate Exchanger At Low Reynolds Number Flow written by M. N. Rathor and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with categories.
The plate heat exchanger features an increase in the heat transfer coefficient by induced turbulence. The work presented here correlates the heat transfer and pressure drop characteristics of the exchanger at low Reynolds numbers. [Authors' abstract].
Analytical And Experimental Study Of Fluid Friction And Heat Transfer In Low Reynolds Number Flow Heat Exchangers
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Author :
language : en
Publisher:
Release Date : 1999
Analytical And Experimental Study Of Fluid Friction And Heat Transfer In Low Reynolds Number Flow Heat Exchangers written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.
Heat Transfer At Low Reynolds Number
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Author : John E. Porter
language : en
Publisher:
Release Date : 1971
Heat Transfer At Low Reynolds Number written by John E. Porter and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Heat categories.
Numerical Simulations Of Steady Low Reynolds Number Flows And Enhanced Heat Transfer In Wavy Plate Fin Passages
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Author :
language : en
Publisher:
Release Date : 2005
Numerical Simulations Of Steady Low Reynolds Number Flows And Enhanced Heat Transfer In Wavy Plate Fin Passages written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
Extended or finned surfaces are widely used in compact heat exchangers to reduce the thermal resistance of air- or gas-side flows. Besides increasing the effective heat transfer surface area, geometrically modified finned surfaces also improve the heat transfer coefficient by altering the flow field. Wavy plate-fin surfaces have such properties and promote relatively high thermal-hydraulic performance. They are also attractive for their simplicity of manufacture and ease of use in compact heat exchangers. The current study numerically investigates the fluid flow and enhanced convection heat transfer in two-dimensional and three-dimensional wavy plate-fin passages with sinusoidal wall corrugations in the low Reynolds number regime. Constant property, periodically fully developed, and laminar or low Reynolds number forced convection are considered. The governing equations of continuity, momentum, and energy are solved computationally using finite-volume techniques. The solution procedure is based on the SIMPLE algorithm and a non-orthogonal, non-uniform grid. The influences of fin geometry (fin spacing, fin height, fin amplitude and fin length) on the enhanced heat transfer and fluid flow behaviors are investigated. The simulation results for the velocity and temperature distributions, isothermal Fanning friction f, and Colburn factor j are presented and discussed. The complex flow patterns in the wavy-fin channel are characterized by re-circulating and/or helical swirl flows with periodic flow separation and reattachment. Two flow regimes can be classified based on these results, namely, (1) low-Re streamline-flow regime where viscous forces dominate, and (2) high-Re swirl-flow regime characterized by flow recirculation and/or helical vortices. Heat transfer enhancement is observed in the swirl flow regime along with an increased pressure drop penalty, as a consequence of the periodic thermal boundary-layer thinning, strong flow mixing, and periodic generation and dissipation of vortices or re-circulating cells. In the streamline-flow regime, the flow and heat transfer behavior are similar to that in straight flow channel, though an enhanced performance is obtained. Also, results of flow visualization experiment for a two-dimensional wavy flow channel are shown to agree well with the numerical results. Finally, the computational methodology is extended to illustrate the flow behaviors in out-of-phase wavy flow passages.
An Empirical Study Of A Pin Fin Heat Exchanger In Laminar And Turbulent Flow
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Author : Jeffrey W. Summers
language : en
Publisher:
Release Date : 2003-12
An Empirical Study Of A Pin Fin Heat Exchanger In Laminar And Turbulent Flow written by Jeffrey W. Summers and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-12 with categories.
This study concentrates on the empirical characterization of a staggered array pin fin compact heat exchanger placed in a modular, rectangular wind tunnel. A full analysis of the heat transfer and pressure drop behavior was conducted on various pin-fin shapes, sizes, and configurations. The study was based on airflow over a range of low Reynolds numbers in the laminar and low turbulent flow, as well as higher turbulent flow regimes. The empirical data gathered can be used to corroborate and develop better numerical models to characterize the performance of such compact heat exchangers.