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interface Peak hoop stress at radius r during autofrettage Residual hoop stress at radius r after autofrettage Residual radial stress at radius r after autofrettage Residual hoop stress at the bore after autofrettage Reverse-yielding screening ratio at the bore Autofrettage pressure for a target bore compression Plastic zone radius from a prescribed autofrettage pressure Bore hoop stress in service after autofrettage Any in this topic Bending stress in a rectangular beam Simply supported beam: central point load Simply supported beam: uniform load Cantilever with a tip load Euler buckling load Effective stress in saturated soil Open-channel flow (Manning) Any in this topic Dynamic pressure and lift Induced drag coefficient Mach number and speed of sound Reynolds number Stall speed in level flight Level coordinated turn Net thrust of a jet engine Any in this topic Wheel drive force from engine torque Vehicle speed from engine speed Equivalent mass with rotating inertia Vehicle 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engine speed Equivalent mass with rotating inertia Available tractive force (torque or grip limited) Overall driveline reduction ratio Total tractive force required Engine power required at a given speed Minimum first-gear ratio for climbing Top-gear ratio for a target top speed Minimum friction coefficient to climb a slope Gearbox ratio span Number of gears for a ratio span Geometric step between gears Ratio of gear j in a geometric set Torque converter efficiency Torque converter power loss Carrier speed of a simple planetary gear Planetary ratio, sun to carrier (ring held) Planetary ratio, ring to carrier (sun held) Planetary ratio, sun to ring (carrier held) Order excitation frequency Gear mesh frequency Track-pitch excitation frequency Any in this topic Apparent mass at a driving point Measured transmissibility Weighted RMS acceleration over three segments Combined vibration dose value of separate segments Motion sickness dose value at a steady level Seat effective amplitude 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first-order lag Sensitivity at one frequency State-feedback gains for a double integrator Scalar LQR feedback gain Zero-order-hold discretisation of a first-order plant Tustin frequency warping Aliased frequency after sampling Any in this topic Euler angle rates from body rates Pitch-rate response to an elevator step Specific total energy and energy height Specific total energy rate Any in this topic Force from a change in stream velocity Total head (Bernoulli) Pump head from the extended head balance Pipe friction and fitting losses Laminar flow in a pipe (Hagen–Poiseuille) Pump shaft power Viscous shear stress Buoyant force Speed from a pressure difference Dynamic pressure Drag force Pump flow rate after a speed change Pump head after a speed change Pump power after a speed change Darcy friction factor from the Haaland equation Any in this topic Resultant hydrostatic force on a submerged plane Vertical depth of the centre of pressure on an inclined plane Bottom-hinge moment on a 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Mean boundary shear stress in uniform channel flow Most efficient rectangular channel width Any in this topic Specific energy in a rectangular channel Critical depth of a rectangular channel Conjugate depth of a rectangular hydraulic jump Specific energy lost across a hydraulic jump Gradually varied flow depth gradient Any in this topic Time to drain a constant-area tank Jet velocity coefficient from its trajectory Normal force of a free jet on an inclined plate Fluid force on a right-angle elbow (x-component) Diameter of a falling free liquid jet Any in this topic Available net positive suction head at a pump inlet Pump operating flow from quadratic curves Combined flow of two dissimilar parallel pumps Euler head transferred by a pump impeller Outlet whirl velocity from the impeller velocity triangle Any in this topic Net extension force of a double-acting cylinder Cylinder retraction speed Hydraulic motor output torque Actual delivery of a displacement pump Blocked-port hydraulic cylinder stiffness Any in this topic Rapid-closure pressure surge Wave speed in an elastic thin-walled pipe Valve-to-reservoir wave return time Surge-tank oscillation period Usable oil volume from a gas-charged accumulator Any in this topic Reynolds number Drag force Number of dimensionless groups (Buckingham pi theorem) Dimensionless force coefficient Model test speed for Reynolds-number matching Full-scale force from a model measurement Any in this topic Mach number and speed of sound Reynolds number Thermal diffusivity and Fourier number Nusselt number Prandtl number Biot number Froude number Weber number Strouhal number Euler number Grashof number Rayleigh number Bulk Richardson number for mixed convection Cauchy number Péclet number Schmidt number Sherwood number Stanton number Any in this topic Pump flow rate after a speed change Pump head after a speed change Pump power after a speed change Pump or fan flow rate at a new speed and diameter Pump head at a new speed and diameter 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point Position error from accelerometer bias Pitch from a stationary accelerometer GNSS pseudorange with receiver clock bias Scalar Kalman filter measurement update Steady-state Kalman gain for a random-walk state Alpha–beta tracker update Process noise for a constant-velocity model Innovation gate statistic RMSE from bias and spread Wrapped course error Cross-track error from a straight path Course command for straight-path following Lookahead (pure-pursuit) lateral acceleration Bank angle for a commanded lateral acceleration Any in this topic Projectile range (no drag) Any in this topic Exponential reliability Series system reliability Availability Weibull life: failure time density Weibull life: probability of failure by a deadline Weibull life: instantaneous failure rate Weibull life: mean time to failure Weibull life: lifetime variance Any in this topic Lanchester square law
Question type
Find the result Mixed: sometimes find an input
Pressure after a polytropic process THE-16 · tolerance ±2%
p1 Initial absolute pressure61 kPa V1 Initial volume7 L V2 Final volume9.7 L n Polytropic exponent1.4 Find p2 (Final pressure) in kPa .
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