Quick Answer
Calculate Screw Compressor Volumetric Capacity and Isentropic Efficiency Map Generator
Calculator
Result Interpretation
Screw Compressor Volumetric Capacity and Isentropic Efficiency Map Generator Calculator computes Compressor capacity and isentropic efficiency in dimensionless using the defined engineering formula and the input values provided.
Worked Example
Verified calculation
Given:
- Suction specific enthalpy = 395.4
- Refrigerant mass flow rate = 0.12
- Isentropic discharge specific enthalpy = 428.9
- Actual discharge specific enthalpy = 439.2
Expected Result:
- Compressor capacity and isentropic efficiency = 0.7648401826484
Engineering Interpretation:
Under the given input conditions, the calculated result is: Compressor capacity and isentropic efficiency = 0.7648401826484 dimensionless.
The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from automatically validated test cases.
Formula / Method
compressor capacity and isentropic efficiency = (refrigerant mass flow rate * (isentropic discharge specific enthalpy - suction specific enthalpy)) / (refrigerant mass flow rate * (actual discharge specific enthalpy - suction specific enthalpy))Formula family: formula_refrigeration_screw_compressor_capacity_efficiency_map_generator
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| mass_flow_rate | Refrigerant mass flow rate | INPUT | Refrigerant mass flow rate |
| h_suction | Suction specific enthalpy | INPUT | Suction specific enthalpy |
| h_discharge_isen | Isentropic discharge specific enthalpy | INPUT | Isentropic discharge specific enthalpy |
| h_discharge_actual | Actual discharge specific enthalpy | INPUT | Actual discharge specific enthalpy |
| compressor_capacity_and_isentropic_efficiency | Compressor capacity and isentropic efficiency | OUTPUT | Compressor capacity and isentropic efficiency |
Calculation Steps
- Enter the refrigerant mass flow rate in kg/s.
- Enter the suction specific enthalpy in kJ/kg.
- Enter the isentropic discharge specific enthalpy in kJ/kg.
- Enter the actual discharge specific enthalpy in kJ/kg.
- Step 1: Compute compressor capacity and isentropic efficiency.
- Read the compressor capacity and isentropic efficiency (dimensionless) from the results.
Engineering Summary
Calculate Screw Compressor Volumetric Capacity and Isentropic Efficiency Map Generator
Frequently Asked Questions
What does this calculator calculate?
The Screw Compressor Volumetric Capacity and Isentropic Efficiency Map Generator Calculator estimates Compressor capacity and isentropic efficiency based on the input parameters you provide
Why is refrigerant mass flow rate important in this calculation?
refrigerant mass flow rate is inversely proportional to compressor capacity and isentropic efficiency. When you enter refrigerant mass flow rate in kg/s, the calculator uses it in the engineering formula to compute the output
How should I interpret the result compressor capacity and isentropic efficiency?
The calculator outputs compressor capacity and isentropic efficiency in dimensionless. The result is computed directly from the input values using the defined engineering formula
What units should I use for the inputs?
Enter each value in the units shown next to the input field: Refrigerant mass flow rate (kg/s), Suction specific enthalpy (kJ/kg), Isentropic discharge specific enthalpy (kJ/kg), Actual discharge specific enthalpy (kJ/kg). Make sure all inputs use the specified units for consistent results
What assumptions does this calculator use?
This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment
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