Engineering, 26.07.2019 17:30 ethanboshears15
Agasoline engine operating on an ideal otto cycle has a compression ratio of 11. air enters the engine at 100 kpa, 37 c. the maximum temperature during the cycle is 1700 k·treat the working fluid as air and use variable specific heats , determine: (a) the amount of heat transfer per unit mass of the working fluid during the heat addition process (b) the thermal efficiency of the engine, (c) the mean effective pressure for this cycle. (d) show this cycle on p-v and t-s diagrams.
Answers: 3
Engineering, 03.07.2019 15:10, EmilySerna
Heat is added to a piston-cylinder device filled with 2 kg of air to raise its temperature 400 c from an initial temperature of t1 27 cand pressure of pi 1 mpa. the process is isobaric process. find a)-the final pressure p2 b)-the heat transfer to the air.
Answers: 1
Engineering, 04.07.2019 18:10, niicoleassssssf
Aflywheel accelerates for 5 seconds at 2 rad/s2 from a speed of 20 rpm. determine the total number of revolutions of the flywheel during the period of its acceleration. a.5.65 b.8.43 c. 723 d.6.86
Answers: 2
Engineering, 04.07.2019 18:10, redrosesxx
Water at 55c flows across a flat plate whose surface temperature is held constant at 95c. if the temperature gradient at the plate's surface for a given value of x is 18 c/mm, find a) local heat transfer coefficient. b) heat flux
Answers: 3
Agasoline engine operating on an ideal otto cycle has a compression ratio of 11. air enters the engi...
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