(a) Chevrolet Silverado 6.2-liter, V8, four-stroke cycle SI engine is designed to have a maximum speed of 6500 RPM. At this speed, volumetric efficiency is 88%. The engine is equipped with a four-barrel carburetor, each barrel having a discharge coefficient of CD, = 0.95. The fuel used is gasoline at AF = 15:1 with a density of 750 kg/m?. Determine: (i) Minimum throat diameter needed in each carburetor venturi. (ii) Fuel capillary tube diameter needed for each venturi throat.

(a) Chevrolet Silverado 6.2-liter, V8, four-stroke cycle SI engine is designed to have a maximum speed of 6500 RPM. At this speed, volumetric efficiency is 88%. The engine is equipped with a four-barrel carburetor, each barrel having a discharge coefficient of CD, = 0.95. The fuel used is gasoline at AF = 15:1 with a density of 750 kg/m?. Determine: (i) Minimum throat diameter needed in each carburetor venturi. (ii) Fuel capillary tube diameter needed for each venturi throat.

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

Some operating data for an air-standard Otto cycle are given in the table. Use the operating data to answer the questions below. ? (???) ? (?) ? (??^3) 1 1 300 400 2 - - 40 3 - 1500 40 4 - - 400 a) Sketch this Otto cycle on a ?-? diagram. Label what you can on the diagram given the information in the table, then come back and modify your diagram with the information you determine in partb) Fill in all the missing pieces of information in the table.
pls answer all i will give thumbs up if right
1- A four-cylinder, two stroke cycle diesel engine with (10.9 cm) bore and (12.6 cm) stroke produces (88 kW) of brake power at (2000 RPM). Compression ratio is (18:1). Determine: (a) Engine displacement. Ans.: (4700.6 cm³). (b) Brake mean effective pressure. Ans.: (561.7 kPa).
Show all sets of equations belonging to two-time ideal diesel cycle and two-time ideal mixed cycle by creating P-V diagrams as well.
Give the design formulae of a dry liner in an internal combustion engine.?
Determine the diameter of a fuel orifice for a 4-stroke engine working on diesel cycle developing 18 kw per cylinder at 2000 rpm, using 0.27 kg/kw.h. of fuel of 30° API. The duration of the crank injection is 30° of crank travel. The fuel injection pressure is 125 bar and combustion chamber pressure is 35 bar. Take velocitycoefficient = 0.9 and Pr=141.5/(131.5 + API)
Do asap
3 litters, 4 cylinders engine, multipoint port fuel injection, one for each cylinder. AF ratio is 14.6, the volumetric efficiency is 90%. The engine speed at idle condition is 550 rpm with stoichiometric gasoline and inlet pressure is 30 kPa. But the engine speed is 5900 rpm with stoichiometric gasoline of maximum power, the inlet pressure is 101 kPa. Calculate the following: a. mass air flow rate in one cylinder at maximum speed, b. mass fuel flow rate into one cylinder through an injector, c. mass air flow into one cylinder at idle speed, d. mass fuel flow rate into one cylinder at idle speed, e. injection pulse duration is seconds at idle conditions at idle, f. injection pulse duration is degrees of engine rotation at idle conditions.
1. Intake air into a 4-stroke, 4-cylinder otto engine is 100 kPa, 21°C with an air-fuel ratio of 15. The heating value of fuel is 43,966 kJ/kg. The ideal cycle efficiency is 50%. The actual engine has a volumetric efficiency of 75%. The piston speed is 816 m/min at 4000 rpm. Stroke-to-bore ratio is 1.1, and brake engine efficiency is 55%. Use hot air std. k = 1.33. For air, R = 287.08 J/kg K. Find (a) combustion pressure in bar (b) shaft torque in N-m (c) brake thermal efficiency in % (d) brake mean effective pressure in bar
Q8) 1- What are the main differences between otto and diesel cycles? 2- Define the mean effective pressure of otto cycle. 3- if the minimum and maximum pressure in otto cycle is 1 bar and 20 bar respectively calculate the mean effective pressure if the otto cycle efficiency is 0.9?
Please answer in 5 min