Question Four: Consider two engines with the following details:Engine 1: Four-stroke, four-cylinder, SI engine, indicated power is 40kW, mean piston speed10m/s.Engine 2: Two-stroke, two-cylinder, SI engine, indicated power is 10kW.Assume that the mean effective pressure of both engines to be the same. Ratio of bore ofthe engine 1:2 = 2:1. Show that the mean piston speed of engine 2 is same as that of engine 1?

GivenSI engine1Four strokecylinder k1=4IP1=40kWVp1=10 m/sSI engine 2two strokecylinder…

Answered: Question Four: Consider two engines…

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

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2- Diesel engine, six cylinders is tested at 4750 rpm, the pressure and temperature of the air entering the engine are 1.2bar, and 25 if the bore of cylinder is 80 mm and stroke 120 mm ,take air fuel ratio is 12:1, the specific fuel consumption is 0.52kg/kWh, and the brake power is equal 94 kW Find the Volumetric efficiency
(2) a fou-cylinder, 2.4 liter engine operates on a four-stroke cycle at 3200 r.p.m. the compression ratio is 9.4:1, the connecting rod length r = 18 cm, and the bore and stroke are related as S = 1.06 B. calculate :- 3 (a) clearance volume of one cylinder in cm³,L, and in ³. (b) Bore and stroke in cm and in. (c) Average piston speed in m/seca 1 ft/sec
2- Diesel engine, six cylinders is tested at 4750 rpm, the pressure and temperature of the air entering the engine are 1.2bar, and 25 if the bore of cylinder is 80 mm and stroke 120 mm ,take air fuel ratio is 12:1, the specific fuel consumption is 0.52kg/kWh, and the brake power is equal 94 kW find the following: fuel consumption m'f = kg/ sec the air consumption engine capacity.: the flow rate of air intake to cylinder the Volumetric efficiency
Q2. A four-stroke cycle SI engine with 8 cylinder has 6.2-liters. It designed to have a maximum mass flow rate of 0.349 kg/sec. The engine is equipped with a four-barrel carburetor, each barrel having a discharge coefficient of CD = 0.95. The tube discharge coefficient CDc= 0.85 and the capillary tube height differential is Icm. The fuel used is gasoline at FA = 1:15 ,density of gasoline is 750 kg/m'. Calculate the Fuel capillary tube diamețer needed for each venturi throat. %3D
5. Calculate the swept volume and mean effective pressure (MEP) of a 4-Cylinder, 2-stroke IC engine that has the following particulars: (Show the computation) Engine speed = 3000 rpm, bore = 120 mm, crank radius = 60 mm, Mechanical efficiency = 90% and the engine develops 75 bhp.
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
Use direct formula with brief explanation. The following results were obtained from a test on a single-cylinder, four-stroke Diesel engine. Diameter of the cylinder is 30 cm, stroke of the piston is 45 cm, indicated mean effective pressure is 540 kPa and engine speed is 2400 rpm. Calculate the indicated power of the engine.
Q2 An automotive engine has a bore of 90 mm; the stroke is 110 mm; and the length of the connecting rod is 166 mm Knowing that the volume of the combustion chamber is 75 cm³ and the intake valve closes 18° crank angle degree after BDC. If injection Started 10 degrees before TDC and ends 40 degree after TDC. And the engine is running at 3000 rpm. a. Calculate the geometrical compression ratio and the actual compression ratio? b. Find the ratio between the maximum speed of the piston to the mean piston speed for this engine? c. Find the injection period
1. The mean effective pressure of an engine running at 300 rpm is 500 kPa. What is the indicatedpower if the engine has bore of 250 mm x 450 mm. Select the correct answer below: A. 110.5 kW B. 150 kW C. 200 kW D. 182. 2 kW 2. In a certain process, entering is 1500 KJ/kg and 150 m/s. If the energy leaving is 12000 Kj/kg/ Determine the velocity at exit. Select the correct answer below: A.) 145 m/s B. 1020 m/s C. 789 m/s D. 978 m/s
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
As shown in Fig., the working area of cylinder head side A=50cm", working load F=10000N, the setting pressure of the valve 1 is 5MPA, and the setting pressures of the valve 2 is 3MPA. e Please answer the following questions: 1) What's the pressure at point A and B respectively when piston of the cylinder is moving forwards at the working speed. Please give the reason. 2) What's the pressure at point A and B respectively when piston of the cylinder reaches and stops at the end. Please give the reason.e To system F A B
(Combine Rankine Cycle) Show the details of your solutions with TS Diagrams with correct dimension analysis

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