HVAC Calculator Pro

应用说明

HVAC Calculator allows performing different calculations for HVAC systems engineering.
The program is a complex, unique by its size and content, comprising 70 calculations, vital for any HVAC engineer.
Now all the most up-to-date calculations are readily available for you, perform calculations anywhere: at a construction site, in negotiating, in a transport, office, auditorium etc.
You can select Imperial or Metric units in the program.
This program is also available online for PC: http://www.softhvac.com/hvac-calculator

LIST OF FUNCTION:
Aerodynamics
• Air velocity in terms of diameter.
• Air velocity in terms of dimensions.
• Air velocity in terms of area.
• Air flow in terms of diameter.
• Air flow in terms of dimensions.
• Air flow in terms of area.
• Mass air flow rate.
• Volume air flow rate.
• Selection of the duct diameter.
• Selection of the rectangular duct dimensions.
• Friction pressure drop in the circular duct.
• Friction pressure drop in the rectangular duct.
• Pressure drop in terms of local losses.
• Circular orifice diameter.
• Circular orifice dimensions.
Hydraulics
• Fluid velocity.
• Fluid flow in terms of diameter.
• Fluid flow in terms of capacity.
• Capacity in terms of diameter.
• Capacity in terms of fluid flow.
• Selection of the pipeline diameter in terms of flow.
• Selection of the pipeline diameter in terms of capacity.
• Pipeline frictional pressure drop.
• Pressure drop in terms of local losses.
• Throttling orifice diameter.
• Valve Kv.
• Valve pressure drop.
• System volume change.
• Pipeline thermal extension.
Heating
• Internal face temperature of the guarding.
• Single material guarding heat transmission resistance.
• Two materials guarding heat transmission resistance.
Ventilation
• Capacity for air heating.
• Air cooling capacity by coil temperature.
• Air cooling capacity by relative humidity.
• Air cooling capacity by enthalpy.
• Fan electric motor capacity.
• Available pressure for natural ventilation.
• Air flow in terms of heat emission.
• Air flow in terms of humidity exudation.
• Water flow for air steam humidification.
• Capacity for air steam humidification.
Air properties
• Moisture content in the air in terms of enthalpy.
• Moisture content in the air in terms of relative humidity.
• Air enthalpy in terms of moisture content.
• Air enthalpy in terms of relative humidity.
• Air relative humidity in terms of moisture content.
• Air relative humidity in terms of enthalpy.
• Air mixture temperature.
• Air mixture moisture content.
• Air mixture enthalpy.
• Air mixture relative humidity.
• Air density.
• Air specific heat.
• Steam saturation pressure in terms of temperature.
• Steam saturation pressure in terms of moisture content.
• Barometric pressure.
• Partial pressure.
• Dewpoint temperature.
• Wet bulb temperature by relative humidity.
• Wet bulb temperature by enthalpy.
Water properties
• Water density.
• Water specific heat.
• Water kinematic viscosity.
Engineering geometry
• Steel pipeline weight.
• Surface area of the circular section insulation.
• Surface area of the rectangular section insulation.
• Surface area of the circular duct.
• Surface area of the rectangular duct.
• Equivalent diameter.

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