this problem is related to ic engine .please the numerical problem i. The following particulars were obtained during a trial on 4 Stroke Gas Engine, which lasted forone hour. The speed was 15000, brake load was 1500 N, the IMEP was 10 bars, calorific valueof fuel is 20 KJ/litre, brake circumference was 4m and the missed power cycles were 500. Thebore and stroke were 30cm and 50cm respectively. The fuel consumption was 20000 litres. Thecompression ratio is 8. Determine IHP, BHP, ISFC, BSFC, Brake thermal efficiency andRelative efficiency.

N=15000 rpm W=1500N Pm=10 bar r=4m

The following particulars were obtained during a trial on 4 Stroke Gas Engine, which lasted fo1 one hour. The speed was 15000, brake load was 1500 N, the IMEP was 10 bars, calorific valuc of fuel is 20 KJ/litre, brake circumference was 4m and the missed power cycles were 500. The bore and stroke were 30cm and 50cm respectively. The fuel consumption was 20000 litres. The compression ratio is 8. Determine IHP, BHP, ISFC, BSFC, Brake thermal efficiency and Relative efficiency.

The following particulars were obtained during a trial on 4 Stroke Gas Engine, which lasted fo1 one hour. The speed was 15000, brake load was 1500 N, the IMEP was 10 bars, calorific valuc of fuel is 20 KJ/litre, brake circumference was 4m and the missed power cycles were 500. The bore and stroke were 30cm and 50cm respectively. The fuel consumption was 20000 litres. The compression ratio is 8. Determine IHP, BHP, ISFC, BSFC, Brake thermal efficiency and Relative efficiency.

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

Engine friction a) Explain what do these terms mean: fmep, mfmep, pmep, amep, imep, bmep b) Write the equation relating fmep to mfmep, pmep, and amep; c) Write the equation relating fmep to imep and bmep; d) At a given engine speed, the following parameters are obtained as follows: 1600 bmep kPa 228.45 fmep kPa 124.38 mfmep kPa 29.52 amep kPa Calculate the net indicated mean effective pressure at the same engine speed.
In a laboratory test of a 4-stroke engine with Vd = 3.05 liters at N = 3000 RPM the following performance data are measured: net IMEP 107.9 lbf/in2 , 70.32 brake horsepower, fuel flow rate 16.66 kg/hr., air flow rate 269.6 kg/hr. The fuel is C8H18 (QR = 4.3 x 107 J/kg.) The ambient air temperature is 295K. The intake pressure gauge is broken, so the intake pressure is not known. Determine: (d) brake thermal efficiency, (e) indicated torque, (f) Is this engine throttled, turbocharged or neither? Explain. (Hint: compute the volumetric efficiency.)
A four-cylinder, 2.4-liter engine operates on a four-stroke cycle at 3200 rpm. The compression ratio is 9.4:1, the connecting rod r = 18cm, and the bore and stroke are related as S = 1.06B Calculate: (1) Volume in the combustion chamber when crank angle at 90 degrees (2) Clearance volume of one cylinder in cm³, L, and in3 (3) Bore and stroke in cm and in (4) Average piston speed in m/sec and ft/sec
A four-cylinder, 2.4-liter engine operates on a four-stroke cycle at 3200 rpm. The compression ratio is 9.4:1, the connecting rod r = 18cm, and the bore and stroke are related as S = 1.06B Calculate: (1) Clearance volume of one cylinder in cm³, L, and in3 (2) Bore and stroke in cm and in (3) Average piston speed in m/sec and ft/sec (4) Volume in the combustion chamber when crank angle at 90 degrees
Q#01 An eight-cylinder, four-stroke engine of 9 cm bore and 8 cm stroke with a compressionratio of 7 is tested at 4500 rev/min on a dynamometer which has 54 cm arm. During a 10minutes test the dynamometer scale beam reading was 42 kg and the engine consumed4.4 kg of gasoline having a calorific value of 44000 kJ/kg. Air at 27C and 1 bar wassupplied to the carburettor at the rate of 6 kg/min. Take R for air = 287 kJ/(kg·K). Find:(1) the brake power delivered (bp),(2) the brake mean effective pressure (bmep),(3) the brake specific fuel consumption (bsfc),(4) the brake specific air consumption (bsac),(5) the brake thermal efficiency (b, th),(6) the volumetric efficiency (vol), and(7) the air-fuel ratio (A/F) on mass basis.Draw the simplified schematic diagram of the plant showing all the necessary data displayed on it
A 6.4-liter, V8 Spark ignition (8 cylinder) 4-stroke engine operates at an engine speed of 3200 RPM. The compression ratio is CR = 10.5:1. At this speed volumetric efficiency is 93%, combustion efficiency is 98%, indicated thermal efficiency is 47%, and mechanical efficiency is 86%. Stroke and bore will be related by S = 0.90 B. Combustion starts at 18 degrees bTDC and last for 0.25 seconds. Calculate? a.Overall efficiencyb. Piston displacementc. Cylinder bore and stroked. average piston speed and max piston speede.distance piston has traveled from TDC at the end of combustion, f. volume at the end of combustion g. position of crank at the end of combustion
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
In a laboratory test of a 4-stroke engine with Vd = 3.05 liters at N = 3000 RPM the following performance data are measured: net IMEP 107.9 lbf/in2 , 70.32 brake horsepower, fuel flow rate 16.66 kg/hr., air flow rate 269.6 kg/hr. The fuel is C8H18 (QR = 4.3 x 107 J/kg.) The ambient air temperature is 295K. The intake pressure gauge is broken, so the intake pressure is not known. Determine: (a) Brake MEP, (b) Friction MEP, (c) equivalence ratio, (d) brake thermal efficiency, (e) indicated torque, (f) Is this engine throttled, turbocharged or neither? Explain. (Hint: compute the volumetric efficiency.)
The following data refers for the single cylinder 4 stroke diesel engine. The brake power is 73 kW and engine speed is 500 rpm. The break mean effective pressure is 8 bar and mechanical efficiency is 80 %. The BSFC of the engine is .30 kg/kWhr of the fuel calorific value of 43200 kJ/kg. Determine indicated thermal efficiency.
. A six-cylinder two-stroke cycle marine diesel engine with 100 mm bore and 120 mm stroke delivers 200 B.H.P. at 2000. R.P.M. and uses 100 kg of fuel per hour. If I.H.P. is 240, determine the following: (a) Torque, (b) Mechanical efficiency, (c) Indicated specific fuel consumption.
In a six cylinder in-line two-stroke cycle Diesel engine, the cylinders are pitched 150 mm apart. The crank length is 100 mm and the ratio of connecting rod to crank is 4.5. The reciprocating mass per line is 1 kg. The engine speed is 2121 rpm. Two possible firing order for this engine are 1-5-3-6-2-4 and 1-4-5-2-3-6. As a young engineer, you have been tasked to evaluate the most suitable firing order for this engine. Your evaluation should include examination of the engine for balance of primary and secondary forces and couples for the given firing order. Apart from examining the engine, you need to justify why one firing order is superior to the other.
The following data refers to a twin cylinder I.C. engine generating power in every revolution of the crank shaft. Total stroke volume: 2000cc, No. of cycles/second: 20, Mean effective pressure: 0.58 MPa., Fuel consumption: 8kg/hour, Calorific value of the fuel: [(X*1000)*0.8]kJ/Kg. Determine indicated thermal efficiency and brake thermal efficiency. The Mechanical efficiency is given by [100-X]%. If the mechanical efficiency is equal or lesser than 40% then use [120-X]%, where X= 36