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Heat Transfer to Fluids in the Region of the Critical Temperature

1957; American Institute of Aeronautics and Astronautics; Volume: 27; Issue: 7 Linguagem: Inglês

10.2514/8.12937

1936-9980

W. B. Powell,

Advanced Thermodynamics and Statistical Mechanics

H e a t t r ans fe r by forced convect ion in t h e region of t h e c r i t i ca l t e m p e r a t u r e h a s been s tud i ed expe r imen ta l ly , u s i n g oxygen a t superc r i t i ca l a n d a t subcr i t i ca l p ressures . Near t h e cr i t ica l t e m p e r a t u r e t h e r e exists a m i n i m u m in t h e h e a t t r ans fe r coefficient wh ich is apprec iab ly lower t h a n t h e value a t lower or a t h i g h e r t e m p e r a t u r e s . T h i s p h e n o m e n o n will l i m i t t h e use of t h i s liquefied gas as a h e a t t ransfer fluid.