2. A single cylinder, 4-stroke cycle, reciprocating engine on an isometric air cycle has the following specifications: Intake pressure = 15 psia Intake Temperature = 59 °F Engine Speed = 1800 rpm Compression ratio = 6 Length of stroke = diameter of %3D %3D bore Cylinder contain 0.01 Ib of air Heat added during isometric combustion = 10 BTU/cycle Determine the (a) Power output of the engine and the (b) length of the stroke.

2. A single cylinder, 4-stroke cycle, reciprocating engine on an isometric air cycle has the following specifications: Intake pressure = 15 psia Intake Temperature = 59 °F Engine Speed = 1800 rpm Compression ratio = 6 Length of stroke = diameter of %3D %3D bore Cylinder contain 0.01 Ib of air Heat added during isometric combustion = 10 BTU/cycle Determine the (a) Power output of the engine and the (b) length of the stroke.

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

3. A rear mounted air-cooled SI engine has 6 cylinders, 3.375 in x 2.6 in bore and stroke respectively, acompression ratio of 8 and developed 80 BHP at 4400 rpm. It was noted that brake thermal efficiency is26 %, volumetric efficiency is 74 % and mechanical efficiency is 71 %. For the ideal cycle, conditions atthe start of compression are 14.7 psia, 140 o F.Calculate a) Percent clearance, b) P, T at the end of compression, c) Brake engine efficiency, d) massflow rate of air, e) torque (lb-ft), f) AF with Q hv = 19100 BTU/lb fuel
Derive an expression for the air standard efficiency of a Brayton cycle in terms of pressure ratio. An engine working on Diesel cycle has a compression ratio of 15 and fuel supply is cut off at 8% of stroke. If the engine has a relative efficiency of 50%, determine the fuel consumption per kW-hr. Assume the fuel has a calorific value of 42000 kJ/kg.
Provide complete solution and detailed diagram. The suction temperature of a diesel cycle is 30oC. The compression ratio is 6 and cut-off ratiois 2. The maximum temperature of the cycle is: A. 1392.22oC B. 1119.22oC C. 967.89oC D. 783.23oC
The world’s largest diesel engine has displacement of 25 m3 running at 300 RPM in a two-stroke cycle producing 100 000 hp. Assume an inlet state of 300 kPa, 300 K and a compression ratio of 20:1. a)What is the mean effective pressure? b)The flow of air to the engine?
The compression ratio of an air-standard Dual cycle is 14 and the maximum pressure in the cycle is limited to 70 bar. The pressure and temperature of cycle at the beginning of compression process are 1 bar and 300 K. If the total amount of heat added is 20 kJ, calculate the cut-off ratio, rc. Assume : cylinder bore = 250 mm, stroke length = 300 mm, cp = 1.005, cv = 0.718 and γ = 1.4.
01 Two engines are to operate on Otto and Diesel cycles with the following data: Maximum temperature 1400 K, exhaust temperature 700 K. State of air at the beginning of compression 0.1 MPa, 300 K. Estimate the compression ratios, the maximum pressures, efficiencies, and rate of work outputs (for 1 kg/min of air) of the respective cycles.
A single row impulse turbine develops 132.4 kW at a blade speed of 175 m/s, using 2 kg of steam per sec. Steam leaves the nozzle at 400 m/s. Velocity coefficient of the blades is 0.9. Steam leaves the turbine blades axially. Determine nozzle angle, blade angles at entry and exit, assuming no shock.
Calculate the air-standard diesel cycle efficiency of an engine witha compression ratio of 16:1 when the fuel-supply is cut-off at 8% ofthe stroke.
If an engine has a bore of 0.1 m, stroke of 0.08 m, inlet flow effective area of 4.0 × 10−4 m2, and inlet temperature of 320 K, what is the maximum speed it is intended to be operated while maintaining good volumetric efficiency?
An ideal Diesel engine operates on 1.5 lb of air with a suction state at 14.1 psia and 100 F. The pressure at the end of compression is 475 psia and the cut -off is 6% of the stroke from head -end dead - center. Using air properties (R=53.34 ft-lbf/Ibm-R, k=1.4, Cp =.24, Cv=. 1714 Btu/lbm-R), determine compression ratio, percentage clearance, Qa, Qr, Thermal Efficiency, mean effective pressure.
The compression ratio of an air-standard Dual cycle is 14 and the maximum pressure in the cycle is limited to 70 bar. The pressure and temperature of cycle at the beginning of compression process are 1 bar and 300 K. If the total amount of heat added is 20 kJ, calculate the temperature at point 5. Assume : cylinder bore = 250 mm, stroke length = 300 mm, cp = 1.005, cv = 0.718 and γ = 1.4.
4. What is the maximum thermal efficiency possible for a power cycle operating between 1300℉ and 225℉? 5. Calculate the ideal air standard cycle efficiency based on the Otto cycle for a gas engine with a cylinder bore of 60 mm, a stroke of 75 mm and a clearance volume of 21.3 cm3