The following processes constitute the air-standard Diesel cycle: 12: isentropic compression,23: constant-volume energy addition (T and P increase),34: constant-pressure energy addition (v increases),45: isentropic expansion,

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The following processes constitute the air-standard Diesel cycle:

1–2: isentropic compression,2–3: constant-volume energy addition (T and P increase),3–4: constant-pressure energy addition (v increases),4–5: isentropic expansion, and5–1: constant-volume energy rejection (T and P decrease).

Plot these processes in P–v and T–s coordinates. How does this cycle differ from the Otto cycle presented in Example 7.5?

Example 7.5 SI Otto Cycle CLEEE (Credit: ineb1599/ iStock /Getty Images Plus.)