Oblique flow headers for heat exchangers: the influence of inlet velocity profiles
G. Klopfer, Stanford University. Dept. of Mechanical Engineering, United States. Office of Naval Research
Stanford University, Dept. of Mechanical Engineering, 1967 - Technology & Engineering - 50 pages
The influence of inlet velocity profiles on the performance of oblique flow headers for heat exchangers is considered. It is shown that the theory based on a uniform inlet velocity profile provides an adequate design basis even if the inlet profile is not very uniform.
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Summary and Conclusions
Analysis of Kinetic Energy Production in Inlet
1 other sections not shown
1VAVN J0 AAVN 3HI AP h Appendix counter flow configuration counter flow header counter flow inlet details 25 developed inlet velocity entering the inlet excess kinetic energy exit header Exit loss favorable skew trigonometric flow header configuration flow inlet header fully developed inlet given by Eq Header performance headers for heat heat exchangers inlet and exit inlet flow non-uniformity inlet header pressure Inlet loss inlet velocity profile INUV J0Hd KE/uu kinetic energy entering kinetic energy leaving kinetic energy produced lb/hr leaving the inlet linear inlet velocity mathematical model matrix flow non-uniformity oblique flow headers parallel and counter parallel flow configuration parallel flow header parallel flow inlet produced inlet velocity profile at uu skew inlet velocity skew linear inlet SPONSORING MILITARY Stanford University Table test results theory predictions trigonometric inlet velocity TT2 h unfavorable skew linear uniform inlet velocity