Thermodynamics 12) An air standard Diesel cycle has a compression ration of 20and a cutt-off ratio of 3. Inlet pressure and temperature are 100kPa and 27 °C. Determine (a) the heat added per kg; (b) the network per kg. (Ans 1994.6kJ/kg, 1209.2 kJ/kg)

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Answered: 12) An air standard Diesel cycle has a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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4] A Diesel engine operates on the air-standard cycle and has a displacement of3.5 liters. The engine’s compression ratio is 19, and the cutoff ratio is 2.4. The conditionsat the beginning of compression are 37 oC, 98 kPaa, and 3.7 liters. If the engine operatesat 1500 rpm, determine a) the compression ratio; b) the cycle work; and c) the powereddeveloped.
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Please Answer everything 1. An ideal air-standard diesel cycle with inlet conditions: 21.11˚C and 14.7 psia, 700 Btu/lbm heat input, and a compression ratio of 15. Find P2, T2, T3, V3, P4, T4, and the efficiency of the cycle. Take Note: Assume air standard values for R and k Cp = kR/k-1 Cv = R/k-1 a. Find the value of P2. (in psi or lb/in^2) b. Find the value of T2. (in Rankine) c. Find the value of T3. (in Rankine) d. Find the value of V3. (in ft^3/lbm) e. Find the value of P4. (in psi or lb/in^2) f. Find the value of T4. (in Rankine) g. Find the value of efficiency of the cycle. (ex. 100-%)
1. An open Brayton cycle using air operates with a maximum cycle temperature of 1300°F .The compressor pressure ratio is 6.0. Heat supplied in the combustion chamber is 200 Btu/lb. The ambient temperature before the compressor is 95°F, and the atmospheric pressure is 14.7 psia. Using constant specific heat, calculate the temperature of the air leaving the turbine, °F; A. 959 °F C. 837°F D. 647°F B. 595°F
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12) An air standard Diesel cycle has a compression ration of 20 and a cult-off ratio of 3. Inlet pressure and temperature are 100 kPa and 27 °C. Determine (a) the heat added per kg; (b) the net work per kg. (Ans 1994.6kJ/kg, 1209.2 kJ/kg)