EngiRef / Formulas

Diesel Cycle Efficiency

Thermal efficiency of ideal Diesel cycle

Cycles

Source Details

Id

thermo-diesel-efficiency

Name

Diesel Cycle Efficiency

Discipline

thermodynamics

Category

Cycles

Latex

\eta = 1 - \frac{1}{r^{\gamma-1}} \frac{r_c^\gamma - 1}{\gamma(r_c - 1)}

Description

Thermal efficiency of ideal Diesel cycle

Conditions

Ideal compression-ignition engine cycle

Variables
[
  {
    "symbol": "η",
    "name": "Efficiency",
    "unit": "",
    "siUnit": ""
  },
  {
    "symbol": "r",
    "name": "Compression Ratio",
    "unit": "",
    "siUnit": ""
  },
  {
    "symbol": "rc",
    "name": "Cutoff Ratio",
    "unit": "",
    "siUnit": ""
  },
  {
    "symbol": "γ",
    "name": "Specific Heat Ratio",
    "unit": "",
    "siUnit": ""
  }
]
Solve For

η

Tags

diesel, cycle, efficiency, compression, engine

Is Custom

false