Investigation of distribution of losses in a conservatively designed turbine Page: 4 of 28
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NACA RM E53AI6
T temperature, OR
T temperature used in determining losses, T*,s = L, OR
V absolute velocity of gas, ft/sec
a. angle of absolute velocity, measured from tangential direction,
deg
o r ratio of specific heats
A prefix indicating change
P circumferential position
p gas density, lb/cu ft
Subscripts:
adj adjusted.
p profile
R rotor
S stator
T tip
u tangential
x axial
0 NACA standard sea-level conditions
1,2,3 measuring stations in turbine
Superscripts:
stagnation state
APPARA US AND INSTRUMENTATION
Summary of Blade Design
A conservatively designed single-stage turbine of free-vortex
design was used in this investigation; it had low rotor-inlet relative
Mach numbers, low turning angles, and high reaction at the rotor-roota
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Whitney, Rose L.; Heller, Jack A. & Hauser, Cavour H. Investigation of distribution of losses in a conservatively designed turbine, report, March 16, 1953; (https://digital.library.unt.edu/ark:/67531/metadc62156/m1/4/: accessed April 24, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.