EngiRef / Thermodynamics Engineering Formula
Diesel Cycle Efficiency
Diesel Cycle Efficiency: Thermal efficiency of ideal Diesel cycle. A Cycles formula in thermodynamics engineering. Variables η, r, rc and γ, each with SI and…
Cycles
Specification
- 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
- Can solve for
- η
- Tags
- diesel, cycle, efficiency, compression, engine
Variables
| Symbol | Name | Unit | Si Unit |
|---|---|---|---|
| η | Efficiency | - | - |
| r | Compression Ratio | - | - |
| rc | Cutoff Ratio | - | - |
| γ | Specific Heat Ratio | - | - |
Common questions
- What is the Diesel Cycle Efficiency formula?
- Thermal efficiency of ideal Diesel cycle. It sits under Cycles, Thermo engineering in the EngiRef reference.
- What do the symbols in the Diesel Cycle Efficiency formula mean?
- In Diesel Cycle Efficiency, η is efficiency; r is compression ratio; rc is cutoff ratio; γ is specific heat ratio.
- When does the Diesel Cycle Efficiency formula apply?
- Diesel Cycle Efficiency holds under this condition: Ideal compression-ignition engine cycle.