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compression ratio of 8.5. This engine compresses the fresh air-fuel mixture from its initial volume to a final volume of 75cm. The air is at 101kPa and A4 stroke spark ignition engine operates on an ideal Otto cycle with a 20°C prior to the compression stroke. Temperature at the end of isentropic properties: = 1.005k/kg.K; c, = 0.718KJ/kg.K; R= 0.287KJ/kg.K. reter to the P-V diagram shown in first question.) expansion is 750K. Make air standard assumption to solve this problem. Air Determine. • Termperature at the end of intake stroke (process 1 to 2) in Kelvins (T2). • Heat supplied (Qm Jin KI (answer in 3DP) • Thermal efficiency of the Otto cycle (in %6) Isentropic sentropic BDC v TDC

compression ratio of 8.5. This engine compresses the fresh air-fuel mixture from its initial volume to a final volume of 75cm. The air is at 101kPa and A4 stroke spark ignition engine operates on an ideal Otto cycle with a 20°C prior to the compression stroke. Temperature at the end of isentropic properties: = 1.005k/kg.K; c, = 0.718KJ/kg.K; R= 0.287KJ/kg.K. reter to the P-V diagram shown in first question.) expansion is 750K. Make air standard assumption to solve this problem. Air Determine. • Termperature at the end of intake stroke (process 1 to 2) in Kelvins (T2). • Heat supplied (Qm Jin KI (answer in 3DP) • Thermal efficiency of the Otto cycle (in %6) Isentropic sentropic BDC v TDC

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A 4 stroke spark ignition engine operates on an ideal Otto cycle with a compression ratio of 8.5. This engine compresses the fresh air-fuel mixture 20°C prior to the compression stroke. Temperature at the end of isentropic expansion is 750K. Make air standard assumption to solve this problem. Air from its initial volume to a final volume of 75cm. The air is at 101kPa and properties: Cp = 1.005KJ/kg.K; cy = 0.718KJ/kg.K; R = 0.287KJ/kg.K. (reter to the P-V diagram shown in first question.) Determine. • Temperature at the end of intake stroke (process 1 to 2) in Kelvins (T2). • Heat supplied (Qm )in KI (answer in 3DP) • Thermal efficiency of the Otto cycle (in %) Isentropic Isentropic BDC TDC
Transcribed Image Text:A 4 stroke spark ignition engine operates on an ideal Otto cycle with a compression ratio of 8.5. This engine compresses the fresh air-fuel mixture 20°C prior to the compression stroke. Temperature at the end of isentropic expansion is 750K. Make air standard assumption to solve this problem. Air from its initial volume to a final volume of 75cm. The air is at 101kPa and properties: Cp = 1.005KJ/kg.K; cy = 0.718KJ/kg.K; R = 0.287KJ/kg.K. (reter to the P-V diagram shown in first question.) Determine. • Temperature at the end of intake stroke (process 1 to 2) in Kelvins (T2). • Heat supplied (Qm )in KI (answer in 3DP) • Thermal efficiency of the Otto cycle (in %) Isentropic Isentropic BDC TDC
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