1/15/2024 0 Comments Calculating tube bends![]() 1 and 2 can be combined to express the equal energies in two different points in a stream line as G = acceleration of gravity (m/s 2, ft/s 2 )Įq. Ρ = density of fluid (kg/m 3, slugs/ft 3 ) Δ p loss = major and minor pressure loss in the fluid flow (Pa (N/m 2 ), psi (lb/in 2 )) P = pressure in fluid (Pa (N/m 2 ), psi (lb/in 2 )) The energy in a specific point in the flowĮ flow = E pressure + E kinetic + E potential (2)Į pressure = p / ρ = pressure energy (J/kg, Btu/lb)Į kinetic = v 2 / 2 = velocity (kinetic) energy (J/kg, Btu/lb)Į potential = g h = elevation (potential) energy (J/kg, Btu/lb)Į loss = Δ p loss / ρ = major and minor energy loss in the fluid flow (J/kg, Btu/lb) ![]() The Energy Equation states that energy can not disappear - the energy upstream in the fluid flow will always be equal to the energy downstream in the flow and the energy loss between the two points. ![]() The total energy per mass unit in a given point in a fluid flow consists of elevation (potential) energy, velocity (kinetic) energy and pressure energy. ![]()
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