scientific calculator area and circumference fluid level of any horizontal cylindrical vessel linear interpolation
dynamic viscosity density gas constants inner pipe roughnesses zeta values of heating, gas and water installations zeta values of air conditioning installations zeta value of valves and armatures according to kv value Heat conduction, -resistance and density
volume flow rate of pipes volume flow rate of arbitrary ducts hydraulic diameter reynolds value lambda value of laminar flow: Re <= 2320 lambda value of turbulent flow: Re > 2320 equitation of continuity bernoulli equitation (simplified) bernoulli equitation (extended) geodetic pressure pressure drop choice of valve
