Page 11 - Mechanical Engineer's Data Handbook
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X MECHANICAL ENGINEER’S DATA HANDBOOK
T Time; temperature; torque; tension; Angle; coefficient of linear expansion;
thrust; number of gear teeth angular acceleration; thermal diffusivity ;
TS Tensile strength Resistance temperature coefficient
U Velocity; specific strain energy; specific Angle; coefficient of superficial expansion
internal energy Angle; coefficient of volumetric
U Internal energy; strain energy; overall expansion; ratio of specific heats
heat transfer coefficient Angle
UTS Ultimate tensile stress Permittivity
U Velocity; specific volume Efficiency
V Velocity; voltage, volume Angle; temperature
VR Velocity ratio Wavelength
W Weight; weight per unit length Absolute viscosity; coefficient of friction
W Weight; load; work; power (watts) Poisson’s ratio; kinematic viscosity
X Distance (along beam); dryness fraction Density; resistivity; velocity ratio
X Parameter (fluid machines) Resistivity
Y Deflection Stress; Stefan-Boltzmann constant
YP Yield point Shear stress
YS Yield stress Friction angle; phase angle; shear strain;
Z Bending modulus; impedance; number of pressure angle of gear tooth
Polar modulus Angular velocity
ZP