Calculators | BiTherm

Expansion steam percentage calculation

Enter P1, P2 and condensate flow to calculate expansion steam percentage.

Inlet pressure P1 (bar abs) Outlet pressure P2 (bar abs) Condensate flow (Kg/h)

% Expansion steam: -

Expansion steam flow: -

Fill in all data to calculate.

Water flow through orifice calculation

Calculate flow using differential pressure, diameter, and discharge coefficient.

P1 (bar abs) P2 (bar abs) diameter (mm) Coef. descarga (0.6 a 0.9) Modo densidad Inlet temperature agua (°C)

Densidad usada: -

Water flow: -

Fill in all data to calculate.

Steam properties calculation

Obtains internal energy, enthalpy, density and viscosity from pressure and, optionally, temperature.

Pressure (bar abs) Calculation mode Temperature (C)

Internal energy: -

Enthalpy: -

Density: -

Viscosity: -

Specific volume (superheated): -

Specific heat cp (superheated): -

Saturation temperature: -

Fill in all data to calculate.

Pipe diameter calculation

Sizing by continuity and Darcy-Weisbach pressure drop estimate.

Pressure P (bar abs) Temperature T (°C) Flow Q (Kg/h) Steam velocity V (m/s) Condensate velocity (m/s, CC only)

Used density: -

Used viscosity: -

Calculated diameter: -

Reynolds: -

Friction factor: -

Pressure drop: -

Fill in all data to calculate.

Superheated steam distribution

Estimated outlet conditions with pressure drop and heat transfer in insulated pipe.

P1 (bar abs) T1 (°C) Flow rate Q (Kg/h) Design velocity V (m/s) Longitud L (m) roughness material ε Roughness ε (mm) Ambient temperature (°C) Air velocity (m/s) Tube material Tube k (W/m·K) Tube thickness (mm) Insulation material Insulation k (W/m·K) Insulation thickness (mm)

diameter recomendado: -

Outlet pressure: -

Outlet temperature: -

Outlet velocity: -

Coef. conveccion natural: -

Coef. conveccion forzada: -

Coef. conveccion ext.: -

Calor cedido: -

Temp. superficie: -

Fill in all data to calculate.

Saturated steam distribution

Estimated outlet conditions, heat transfer and in-line condensation for saturated steam.

P1 (bar abs) T1 saturacion (°C) Flow rate Q (Kg/h) Design velocity V (m/s) Longitud L (m) roughness material ε Roughness ε (mm) Ambient temperature (°C) Air velocity (m/s) Tube material Tube k (W/m·K) Tube thickness (mm) Insulation material Insulation k (W/m·K) Insulation thickness (mm)

diameter recomendado: -

Outlet pressure: -

Outlet temperature: -

Outlet velocity: -

Coef. conveccion natural: -

Coef. conveccion forzada: -

Coef. conveccion ext.: -

Calor cedido: -

Temp. superficie: -

Online condensation: -

Fill in all data to calculate.

Pipe thickness calculation

Calculation based on ASME B31.1.

Pressure P (bar abs) Material diameter (mm) Operating temperature (°C) σ MPa (solo personalizado)

Thickness: -

Fill in all data to calculate.

Collector commissioning

Calculates startup condensate load and checks drain pot evacuation capacity.

Pipe material Densidad pipe ρ (Kg/m3) Calor especifico c (J/Kg·K) Conductividad tubo Kt (W/m·K) Insulation material Conductividad insulation Ka (W/m·K) Insulation thickness (mm) Inlet pressure P (bar abs) Inlet temperature T (°C) Ambient temperature Tamb (°C) Air velocity Vair (m/s) Heating time t (s) diameter interno D (mm) Pipe thickness e (mm) Pipe length L (m) Distancia entre pozos (m) Flow per steam trap Qp (Kg/h)

Insulation surface temperature: -

Convection heat in t: -

Heat for pipe heating: -

condense by convection: -

condensate by heating: -

condensate total: -

Number of steam traps: -

Flow to evacuate: -

Total steam trap capacity: -

Fill in all data to calculate.

Heat exchanger

Sizing of tubular heat exchanger with liquid and steam (saturated or superheated).

Liquid Ql (Kg/h) Te liquid (C) Ts liquid (C) Steam P (bar abs) Te steam (°C) Ts steam (°C) Shell D (mm) Tube d (mm) N tubes Tube material Tube thickness (mm) Liquid Cp (J/Kg·K) Liquid ρ (Kg/m3) Liquid k (W/m·K) μ liquid (N·s/m2)

Liquid velocity: -

Steam velocity: -

Internal tube convection: -

External tube convection: -

Heat exchanged: -

Steam flow rate: -

Exchanger length: -

Heat exchange area: -

Fill in all data to calculate.