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Condensate Flow Rate Formula:
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Condensate flow rate represents the mass flow rate of condensate formed during phase change from vapor to liquid. It is a critical parameter in thermal systems, refrigeration, and power plant operations where heat exchange occurs.
The calculator uses the condensate flow rate formula:
Where:
Explanation: The formula calculates the mass flow rate of condensate by dividing the total heat removal rate by the latent heat of vaporization, which represents the energy required for phase change.
Details: Accurate condensate flow rate calculation is essential for designing efficient heat exchangers, sizing condensate return systems, optimizing energy recovery, and ensuring proper system operation in steam systems and refrigeration cycles.
Tips: Enter heat removal rate in watts (W) and latent heat of vaporization in joules per kilogram (J/kg). Both values must be positive numbers. Ensure consistent units for accurate results.
Q1: What is latent heat of vaporization?
A: Latent heat of vaporization is the amount of heat energy required to convert a unit mass of liquid into vapor at constant temperature and pressure, or vice versa.
Q2: Why is condensate flow rate important in steam systems?
A: It helps determine the capacity of condensate return pumps, size condensate piping, and ensure efficient steam trap selection and operation.
Q3: How does pressure affect the calculation?
A: Pressure affects the latent heat of vaporization value. Higher pressures generally result in lower latent heat values, requiring adjustment of h_fg in the calculation.
Q4: Can this formula be used for all fluids?
A: Yes, the formula applies to any fluid undergoing condensation, but the latent heat value must be specific to the fluid and operating conditions.
Q5: What are typical units for condensate flow rate?
A: Common units include kg/s, kg/h, lb/s, or lb/h, depending on the application and regional preferences.