please solve number 1 It is known that r = V1/V2 is the compression ratio, rc = V3/V2 is the cut-off ratio, and rE = V1/V3 isthe expansion ratio.1. Show that the thermal efficiency of the diesel cycle is given by the equation below:1 r – 1rY-1 y(rc – 1)n = 1 –2. The diesel engine has a compression ratio of 20 and the cut-off occurs at 5% of the stroke.Determine the thermal efficiency if it is known that y = 1.4.

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Answered: It is known that r= V1/V2 is the…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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At the beginning of the compression process of an air-standard Diesel cycle operating with a compression ratio of 18, the temperature is 300 K and the pressure is 0.1 MPa. The cut-off ratio for the cycle is 2 and mass flow rate in the system is 1900 kg/hr.cp = 1.006 kJ/kg K cv = 0.717 kJ/kg K 1. calculate the thermal efficiency of the cycle in %?Answer to 1 decimal place. 2. calculate the work output of the engine in kW?Answer to 0 decimal place.
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It is known that r= V1/V2 is the compression ratio, rc = V3/V2 is the cut-off ratio, and rE = V1/V3 is the expansion ratio. 1. Show that the thermal efficiency of the diesel cycle is given by the equation below: 1 r – 1 rY-1y(rc – 1) n = 1-