Národní úložiště šedé literatury Nalezeno 2 záznamů.  Hledání trvalo 0.00 vteřin. 
Optimization of Heat Transfer Surfaces of Heat Exchangers
Bartuli, Erik ; Dohnal, Mirko (oponent) ; Vinogradov, Andrey Vladimirovich (oponent) ; Raudenský, Miroslav (vedoucí práce)
The thesis focuses on metal and plastic heat exchangers. The main object of the research is the optimization of heat transfer surfaces for increase of heat transfer characteristics of heat exchangers. A computer modeling via ANSYS and experimental research were used for this purpose. A cross-wiring technology for plastic hollow fiber heat exchangers (PHFHE) producing was developed based on modeling and experimental results. An experimental setup used for pressure tanks winding was modified for PHFHE mass production. Heat exchangers for air condition systems were also considered in this work. Example of twisted hollow fiber heat exchanger use in such systems is presented. Influence of thermal cycling test to heat transfer performance of common metal fin-type heat exchanger was also studied.
Optimization of Heat Transfer Surfaces of Heat Exchangers
Bartuli, Erik ; Dohnal, Mirko (oponent) ; Vinogradov, Andrey Vladimirovich (oponent) ; Raudenský, Miroslav (vedoucí práce)
The thesis focuses on metal and plastic heat exchangers. The main object of the research is the optimization of heat transfer surfaces for increase of heat transfer characteristics of heat exchangers. A computer modeling via ANSYS and experimental research were used for this purpose. A cross-wiring technology for plastic hollow fiber heat exchangers (PHFHE) producing was developed based on modeling and experimental results. An experimental setup used for pressure tanks winding was modified for PHFHE mass production. Heat exchangers for air condition systems were also considered in this work. Example of twisted hollow fiber heat exchanger use in such systems is presented. Influence of thermal cycling test to heat transfer performance of common metal fin-type heat exchanger was also studied.

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2 Vinogradov, Alex
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