A four-cylinder engine with a 9.5-cm bore and an 8.75-cm stroke has a 10 % clearance. The engines rotates at 2500 rpm. The conditions at the beginning of compression are 17 oC and 98 kPaa. The maximum cycle temperature is 2900 oK. The engine may be assumed to operate on an air-standard Otto cycle. Determine the cycle work and the power produced by the engine.

A four-cylinder engine with a 9.5-cm bore and an 8.75-cm stroke has a 10 % clearance. The engines rotates at 2500 rpm. The conditions at the beginning of compression are 17 oC and 98 kPaa. The maximum cycle temperature is 2900 oK. The engine may be assumed to operate on an air-standard Otto cycle. Determine the cycle work and the power produced by the engine.

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

See similar textbooks

Similar questions

25. An SI engine operates on an air-standard four-stroke Otto cycle with turbocharging. Air-fuel enters the cylinders at 70°C and compression ratio rk = 8. Calculate the work input during compression stroke. a. -319.4321kJ/kg b. -319.4322kJ/kg c. -319.4323KJ/kg d. -319.4324kJ/kg
A gas turbine power plant operating on an ideal Brayton cycle has a pressure ratio of 8.the gas temperature is 320K at the inlet and 1400k at the turbine inlet. Using air standard assumptions calculate the back work ratio
4. Given an ideal diesel cycle with compression ratio of 16.2, cut-off ratio of 2.05, Determine the mean effective pressure if the initial pressure is 14.71 psi.
The cylinder of an Ideal Dual Combustion Cycle,, with a pressure ratio of 2, has a bore of 7 inches and a stroke of 7.5 inches. The 4-stroke, 4-cylinder engine operates at 6000 rpm having a compression ratio of 21 and a cut-off ratio of 1.34. Air enters with a temperature and pressure of 67°F and 15 psi. Determine the following:a. Pressure & Temperature at each state.b. Power output of the engine (hp).c. Thermal Efficiency.
ces ! Required information A four-cylinder, four-stroke, spark-ignition engine operates on the ideal Otto cycle with a compression ratio of 11 and a total displacement volume of 1.8 L. The air is at 90 kPa and 50°C at the beginning of the compression process. The heat input is 1.1 kJ per cycle per cylinder. The gas constant of air is R = 0.287 kJ/kg-K and use constant specific heats with cv=0.821 kJ/kg-K, cp = 1.108 kJ/kg-K, and k= 1.35. Determine the maximum temperature and pressure that occur during the cycle. (You must provide an answer before moving on to the next part.) The maximum temperature during the cycle is The maximum pressure during the cycle is K. kPa.
n an ideal rankine cycle. Steam is generated at 4.1 mpa and 480C. The condenser is at 32C. For an engine with the same end states, determine its thermal efficiency, steam rate, and mep. Considering the engine only, assume the brake engine efficiency to be 78%, the generator efficiency 92%, the steam flow rate is 163,600 kg/hr. Compute the output of the combined unit.
If the isentropic compression ratio of a Carnot cycle is 5 and the lower temperature limit of the cycle is 25C, determine the power that the engine can produce if the heat added amounts to 45kW. Assume that the cycle is an air standard cycle.a. 21.3609kW b. 21.3610kW c. 21.3611kW d. 21.3612kW
The Diesel cycle has a compression ratio of 9.40. The cutoff ratio is 3.20. When you use the cold air standard assumptions the cycle efficiency is? When k = 1.4.
Four stroke compression ignition engine operating on ideal Diesel cycle with air as the working fluidhas a compression ratio of 20 and a cutoff ratio of 1.3. At the beginning of the compression process, theworking fluid is at 100 kpa, 40 C, and 120 m3. This engine is operated at 2500 rpm. Assuming cold-airstandard assumptions, determine the following:(a) The net-power output (kW), The thermal efficiency, The mean effective pressure (kPa)(b) The mean effective pressure (kPa) and net-power output (kW) in the cycle if a two stroke engine isbeing used.