Carnot Cycle Reciprocating Engines Compression ratio: Mean effective pressure: Power: Diesel Cycle 1-2 Isentropic co
Views 113 Downloads 1 File size 1MB
Carnot Cycle
Reciprocating Engines Compression ratio: Mean effective pressure:
Power:
Diesel Cycle
1-2 Isentropic compression 2-3 Constant-volume heat addition 3-4 Isentropic expansion 4-1 Constant-volume heat rejection
Otto Cycle
1-2 Isentropic compression 2-3 constant-pressure heat addition 3-4 Isentropic expansion 4-1 Constant-volume heat rejection
Cutoff ratio:
Compression efficiency
Expansion efficiency
Ericsson Cycle Process 1-2: Reversible isothermal compression. Process 2-3: Constant pressure heat addition. Process 3-4: Reversible isothermal expansion. Process 4-1: Constant pressure heat rejection.
P2=P3, P1=P4, 𝜂𝑆𝑡𝑖𝑟𝑙𝑖𝑛𝑔 = 1 − 𝑇𝑇𝐿
𝐻 Stirling Cycle 1-2 isothermal expansion heat addition
2-3 const. vol. heat removal 3-4 isothermal compression 4-1 const. vol. heat addition
Brayton Cycle
1-2 Isentropic compression (in a compressor) 2-3 Constant-pressure heat addition 3-4 Isentropic expansion (in a turbine) 4-1 Constant-pressure heat rejection
Specific Heats:
Regeneration