Direct vs Indirect Refrigeration System Design
Calculation guide for sizing indirect refrigeration systems, including heat loads, mass flow rates, and heat transfer coefficients.
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1. Define Input Parameters
2. Engineering Output
Total Cooling Load (Q_total)
- kW
- kW
Glycol Supply Temperature (T_glycol_in)
- °C
- °C
Glycol Return Temperature (T_glycol_out)
- °C
- °C
Glycol Mass Flow Rate (m_dot_glycol)
- kg/s
- kg/s
Refrigerant Saturation Temperature (T_sat)
- °C
- °C
Process Cooler Overall Heat Transfer Coefficient (U_process)
- W/m²K
- W/m²K
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Refrigeration system design involves selecting between direct expansion and indirect cooling loops to balance thermal efficiency with safety and operational flexibility. This process requires calculating heat loads, secondary fluid flow rates, and heat transfer coefficients to ensure the system meets process cooling requirements while maintaining safe operating margins.
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