WebbTheoretical Flow Mechanical Efficiency = Actual PSI x 100 Theoretical Pressure Overall Efficiency = Output HP x 100 Input HP Overall Efficiency = Mech. Eff. x Volumetric Eff. Theoretical Flow = RPM x CIR ÷ 231 Theoretical Pressure = T x 6.28 ÷ CIR Input HP = PSI x GPM ÷ 1714 Output HP = T x RPM ÷ 63025 T = Torque, inch-lbs WebbWater Hammer Analysis. Water hammer is part of the larger subject of transient flow or surge analysis. It is the special case when there is a sudden change in flow velocity. Usually this occurs when a valve closes quickly. Water hammer can generate very high pressure transients which could burst a pipe and can generate pipeline vibrations.
What is theoretical velocity in fluid mechanics?
WebbThe velocities at sections (1) and (2) are uniform, i.e, they do not vary in a radial direction. The pipe is horizontal, i.e., z is the same at (1) and (2), i.e., z1 = z2. This assumption can be relaxed easily. It is possible to have a fluid flowing through an inclined pipe. WebbCalculate the residence time from given flow velocity and bed height. Fill Flow velocity together with bed height and hit the "Calculate" button to calculate the Residence time. Hit "Reset" button to clear the fields. The empty field is calculated from the formula: Residence time (min) = [bed height (cm)/flow velocity (cm/h)] x 60 smart home in thailand
How to calculate gas flow rate from a pressure measurement?
WebbMath Venturi Flowmeter Calculator A fluid passing through smoothly varying constrictions experience changes in velocity and pressure. These changes can be used to measure the flowrate of the fluid. To calculate … WebbStep 2: Multiply the result by two to get the final result. Step 3: Find the product's square root. Step 4: To get the theoretical discharge for a fluid flow, multiply the result by the area of cross-section. Step 5: To calculate the discharge coefficient, divide the actual discharge by the theoretical discharge. WebbThis calculator can be used to find initial velocity, final velocity, acceleration or time as long as three of the variables are known. Velocity Equations for these calculations: Final velocity (v) squared equals initial velocity (u) squared plus two times acceleration (a) times displacement (s). v 2 = u 2 + 2 a s hillsborough disaster media reports