Thermodynamics

Calculate heat cycles, energy, enthalpy, entropy, and heat/work.

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Thermal Cycle Efficiency

Analyzes ideal thermodynamic cycles for engines and turbines.

Pressure (P₁)

kPa

Temp (T₁)

°C

Comp. Ratio (r)

Heat Ratio (k)

Heat Input (q_in)

kJ/kg

Efficiency (η)

0 %

Net Work (w)

0 kJ/kg

State	Pressure	Temp
1	0 kPa	0 °C
2	0 kPa	0 °C
3	0 kPa	0 °C
4	0 kPa	0 °C

Pressure (P₁)

kPa

Temp (T₁)

°C

Comp. Ratio (r)

Heat Ratio (k)

Cut-off Ratio (r_c)

Efficiency (η)

0 %

Net Work (w)

0 kJ/kg

State	Pressure	Temp
1	0 kPa	0 °C
2	0 kPa	0 °C
3	0 kPa	0 °C
4	0 kPa	0 °C

Pressure (P₁)

kPa

Temp (T₁)

°C

Pressure Ratio (r_p)

Heat Ratio (k)

Turbine Inlet Temp (T₃)

°C

Efficiency (η)

0 %

Net Work (w)

0 kJ/kg

State	Temp
1	0 °C
2	0 °C
3	0 °C
4	0 °C

Thermodynamics

Thermal Cycle Efficiency

Kinetic Energy (KE = ½mv²)

Potential Energy (PE = mgh)

Water Enthalpy Change

Energy per Phase

Entropy

Heat & Work

Note / Scratchpad