brake thermal efficiency. 8. The average indicator card from a nine-cylinder four-stroke cycle 5.5-in. bore by 6-in. str
Posted: Fri Jul 08, 2022 5:47 am
brake thermal efficiency. 8. The average indicator card from a nine-cylinder four-stroke cycle 5.5-in. bore by 6-in. stroke engine is 4 in. long and has an area of 6 sq in. The maximum card height is 3.5 in. and represents a maximum pressure rise of 666 psi. Find (a) indicated mean effective pressure, (b) indicated horsepower of engine at 1800 rpm, (c) indicated torque, (d) brake mean effective pressure if mechanical efficiency is 87 per cent, and (e) brake torque. (a) 285.8 psi, (b) 833 ihp, (c) 2430 ft-lb, (d) 248.5 psi, (e) 2120 ft-lb, Ans. The following