Loss Coefficients for Abrupt Changes in Flow Cross Section with Low Reynolds Number Flow in Single and Multiple Tube Systems
1950 - 24 pages
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Application to Heat Exchanger Test Cores 10
EXPERIMENTAL RESULTS 15
1 other sections not shown
Abrupt Changes abrupt contraction abrupt expansion analytically evaluated coefficients approximate Changes in Flow circular tube contraction circular tube system circular tube test coeffi Commanding Officer Office compact heat exchanger contraction and expansion contraction coefficients dimensional contraction Energy at Abrupt Engineering University expansion and contraction expansion area ratio expansion system Figure lc flow coefficients Flow Cross Section flow passages Flow Stream Mechanical flow tube friction factor geometries geometriesn heat exchanger core heat exchanger surfaces Heat Transfer infinitely wide gap laminar flow large tube Losses of Flow low Reynolds numbers Mechanical Engineering multiple circular tube multiple triangular tube multiple tube contractions multiple tube systems needle valves Office of Naval reference shown in Figure single and multiple single circular tube single tube system smaller tubes square tube stagnation point Stanford University static pressure Stream Mechanical Energy systemso tuba tube test system turbulent flow velocity distribution coefficient velocity distribution data Washington 25