Refrigeration Engineering

Scroll Compressor Discharge Temperature & Rotor Cooling Margin Calculator

Scroll Compressor Discharge Temperature & Rotor Cooling Margin Calculator engineering calculator.

Quick Answer

Calculate Scroll Compressor Discharge Temperature & Rotor Cooling Margin Calculator

Calculator

Discharge Temperature (K)
—

Result Interpretation

Scroll Compressor Discharge Temperature & Rotor Cooling Margin Calculator computes Discharge Temperature in K using the defined engineering formula and the input values provided.

Worked Example

Verified calculation

Given:

  • Pressure Ratio (P_discharge / P_suction) = 3.2
  • Isentropic Exponent (k = Cp/Cv) = 1.16
  • Suction Temperature = 273.15
  • Rotor Surface Temp Offset Above Discharge Temp = 15
  • Isentropic Efficiency = 0.72

Expected Result:

  • Discharge Temperature = 356.32903376998

Engineering Interpretation:

Under the given input conditions, the calculated result is: Discharge Temperature = 356.32903376998 K.

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

discharge temperature = suction temperature * pow(P_discharge / P_suction, (k = Cp/Cv - 1) / (k = Cp/Cv * isentropic efficiency)) + rotor surface temp offset above discharge temp

Formula family: formula_refrigeration_scroll_compressor_discharge_temperature_rotor_cooling_margin_calculator

Variables

SymbolLabelRoleDescription
suction_temperature Suction Temperature INPUT Suction Temperature
pressure_ratio Pressure Ratio (P_discharge / P_suction) INPUT Pressure Ratio (P_discharge / P_suction)
isentropic_exponent Isentropic Exponent (k = Cp/Cv) INPUT Isentropic Exponent (k = Cp/Cv)
isentropic_efficiency Isentropic Efficiency INPUT Isentropic Efficiency
rotor_cooling_offset Rotor Surface Temp Offset Above Discharge Temp INPUT Rotor Surface Temp Offset Above Discharge Temp
discharge_temperature Discharge Temperature OUTPUT Discharge Temperature

Calculation Steps

  1. Enter the suction temperature in K.
  2. Enter the pressure ratio (p_discharge / p_suction) in 1.
  3. Enter the isentropic exponent (k = cp/cv) in 1.
  4. Enter the isentropic efficiency in 1.
  5. Enter the rotor surface temp offset above discharge temp in K.
  6. Step 1: Compute discharge temperature.
  7. Read the discharge temperature (K) from the results.

Engineering Summary

Calculate Scroll Compressor Discharge Temperature & Rotor Cooling Margin Calculator

Frequently Asked Questions

What does this calculator calculate?

The Scroll Compressor Discharge Temperature & Rotor Cooling Margin Calculator estimates Discharge Temperature based on the input parameters you provide

Why is suction temperature important in this calculation?

suction temperature is directly proportional to discharge temperature. When you enter suction temperature in K, the calculator uses it in the engineering formula to compute the output

How should I interpret the result discharge temperature?

The calculator outputs discharge temperature in K. 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: Suction Temperature (K), Rotor Surface Temp Offset Above Discharge Temp (K). 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

Related Tools

Browse More Tools

Explore the full index of engineering calculators on this vertical site.