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A 5.6 Liter V8 engine with a compression ratio of

Question : A 5.6 Liter V8 engine with a compression ratio of : 13072

A 5.6 Liter V8 engine with a compression ratio of r_c = 9.4:1 operates on an air-standard Otto cycle at 28(H) RPM, with a volumetric efficiency of 90 percentage and a stoichiometric air-fucl ratio of 14.6. The exhaust valve opens at 45 degree bBDC. The density of air is 1.181 Kg/m^3. Calculate: Mass How rate of exhaust gas in Kg/sec the time of one blowdown process in sec If the temperature of the exhaust gas when the exhaust valve opens is 1500degreeK. calculate the maximum possible flow velocity through the exhaust valve at the start of the blowdown process in (m/sec).

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