A propeller-engine combination produces 600 hp of power. If the total displacement is 20,000 cm3, the...
A propeller-engine combination produces 600 hp of power. If the total displacement is 20,000 cm3, the engine efficiency is 0.9, the propeller efficiency is 0.85, and the rotational speed is 2450 rpm, calculate the mean effective pressure of the engine
Homework Answers
Add Answer to:
A propeller-engine combination produces 600 hp of power. If the
total displacement is 20,000 cm3, the...
The following information is available for an aircraft four-stroke reciprocating engine: indicat...
The following information is available for an aircraft four-stroke reciprocating engine: indicated mean effective pressure (IMEP) = 160 psi stroke = 5 in bore = 5 in engine rpm = 3000 number of cylinders = 9 cylinder clearance volume = 15 in3 engine mechanical efficiency, ηmech = 90% propeller efficiency, ηprop = 80% Calculate brake horsepower (BHP) indicated horsepower (IHP) thrust horsepower (THP) friction horsepower (FHP) brake mean effective pressure (BMEP) Compression Ratio (is your answer reasonable for a spark...
The answer is: 26.3% and 56.48 hp. Problem 12: An actual four-stroke SI engine has a...
The answer is: 26.3% and 56.48 hp.
Problem 12: An actual four-stroke SI engine has a total cylinder volume of 0.0015 m3 and a compression ratio of 9:1. The engine runs at 3000 rpm. At the start of the compression stroke the air is at 303 K and a pressure of 100 kPa. The ratio of the actual thermal efficiency of the engine to the air-standard cycle efficiency is 45%. The air to fuel ratio is 13:1. The internal energy...
A single cylinder engine has a square engine design. At a set point that produces a...
A single cylinder engine has a square engine design. At a set point that produces a brake mean effective pressure of 700kPa at 1800rpm, it is estimated that the indicated fuel conversion efficiency is 0.35 and the mechanical efficiency is 0.8. If the fuel flow (gasoline) is 5(g/s), find the brake power and the crank radius
Question 2 (a) In a 4-cylinder 4-stroke internal combustion engine, the cylinder bore is 78 mm...
Question 2 (a) In a 4-cylinder 4-stroke internal combustion engine, the cylinder bore is 78 mm and the stroke length is 95 mm. In a test, the brake mean effective pressure is 850 kPa and the speed is 2400 rpm. (i) What is the total displacement volume of the engine? Express your answer in mm’, mL, and m?. (ii) Calculate the work done by gas on one piston in one full cycle. (iii) Calculate the power output of the engine....
Question 2 A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of...
Question 2 A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (Vmin) of the engine is 420 cm3 . At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: A. Brake power B. The brake mean effective pressure C....
Question 6 A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of...
Question 6 A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (Vmin) of the engine is 420 cm3. At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: a. Brake power b. The brake mean effective pressure Friction losses...
A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder...
A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (Vmin) of the engine is 420 cm3 . At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: a) Brake power b) The brake mean effective pressure c) Friction losses...
4. A4.6 L spark ignition engine operates on the ideal Otto cycle with a compression ratio of 10. At the beginning of the compression process the air is at 107 kPa and 21 C. The maximum cycle temp...
4. A4.6 L spark ignition engine operates on the ideal Otto cycle with a compression ratio of 10. At the beginning of the compression process the air is at 107 kPa and 21 C. The maximum cycle temperature is 1116°C. Accounting for variable specific heats, determine: (a) the heat addition per cycle in kJ. Ans: 3.368 kJ (b) the net work per cycle in kJ. Ans: 1.907 kJ (c) the mean effective pressure in kPa. Ans: 460.6 kPa (d) the...
1.) Engine Power-4 cylinder Calculate the power output of a 4-cylinder internal combustion engine. The piston...
1.) Engine Power-4 cylinder Calculate the power output of a 4-cylinder internal combustion engine. The piston diameter is mm and the Length moved is 85.3 rm mm. Th stroke cycle. Assume a mean effective pressure of 1.379 MPa. Answer in kW and hp. Omit mm. The RP M is 3000. The engine operates using a 4 diagram/ sketch but be sure to include given information and basic equations needed.
Problem 4: A 12-cylinder, two-stroke CI diesel engine produces 2440 kW of brake power at 550...
Problem 4: A 12-cylinder, two-stroke CI diesel engine produces 2440 kW of brake power at 550 rpm using equivalence ratio o=1. The engine has a bore of 24 cm, stroke of 32 cm, volumetric efficiency of 100%. Calculate the mass flow rate of fuel into engine and brake specific fuel consumption.
The answer is: 26.3% and 56.48 hp.
Problem 12: An actual four-stroke SI engine has a total cylinder volume of 0.0015 m3 and a compression ratio of 9:1. The engine runs at 3000 rpm. At the start of the compression stroke the air is at 303 K and a pressure of 100 kPa. The ratio of the actual thermal efficiency of the engine to the air-standard cycle efficiency is 45%. The air to fuel ratio is 13:1. The internal energy...
Question 2 (a) In a 4-cylinder 4-stroke internal combustion engine, the cylinder bore is 78 mm and the stroke length is 95 mm. In a test, the brake mean effective pressure is 850 kPa and the speed is 2400 rpm. (i) What is the total displacement volume of the engine? Express your answer in mm’, mL, and m?. (ii) Calculate the work done by gas on one piston in one full cycle. (iii) Calculate the power output of the engine....
Question 2 A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (Vmin) of the engine is 420 cm3 . At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: A. Brake power B. The brake mean effective pressure C....
Question 6 A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (Vmin) of the engine is 420 cm3. At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: a. Brake power b. The brake mean effective pressure Friction losses...
4. A4.6 L spark ignition engine operates on the ideal Otto cycle with a compression ratio of 10. At the beginning of the compression process the air is at 107 kPa and 21 C. The maximum cycle temperature is 1116°C. Accounting for variable specific heats, determine: (a) the heat addition per cycle in kJ. Ans: 3.368 kJ (b) the net work per cycle in kJ. Ans: 1.907 kJ (c) the mean effective pressure in kPa. Ans: 460.6 kPa (d) the...
1.) Engine Power-4 cylinder Calculate the power output of a 4-cylinder internal combustion engine. The piston diameter is mm and the Length moved is 85.3 rm mm. Th stroke cycle. Assume a mean effective pressure of 1.379 MPa. Answer in kW and hp. Omit mm. The RP M is 3000. The engine operates using a 4 diagram/ sketch but be sure to include given information and basic equations needed.
Problem 4: A 12-cylinder, two-stroke CI diesel engine produces 2440 kW of brake power at 550 rpm using equivalence ratio o=1. The engine has a bore of 24 cm, stroke of 32 cm, volumetric efficiency of 100%. Calculate the mass flow rate of fuel into engine and brake specific fuel consumption.
Most questions answered within 3 hours.
-
When 75g of SO3 react with 75 g of SCl2 according to
the reaction: SO3 +...
asked 1 hour ago -
Alicia’s Apple Pies is a roadside business. Alicia must pay
$9.00 in rent each day. In...
asked 1 hour ago -
Consider the following forwarding table.
Destination Address Range
Link Interface
10000011 00000001 00110000 00000000
through  
asked 2 hours ago -
find the molecular weight of a gass
mass = 22.0 g
pressure = 856 torr
temp...
asked 2 hours ago -
A dc current of 60 mA can cause paralysis of the body's
respiratory muscles and hence...
asked 3 hours ago -
What is the percent yield if a batch of H2SO4H2SO4 has a
theoretical yield of 3.3...
asked 5 hours ago -
The force on a particle is given by ? ? = 3.6?3 − 4.5? + 1.5...
asked 5 hours ago -
Your organization currently offers health insurance, dental
insurance, life insurance, a 401(k) retirement program, and paid...
asked 5 hours ago -
Opportunity for disruption is created due to:
A.Scarcity, default corporate management behavior, and human
nature.
B.Sustaining...
asked 5 hours ago -
&nb
asked 6 hours ago -
Which statement is true about the F(x,y,z) = x(yz'+x'y)
F is 1 when x is 0,...
asked 7 hours ago -
60. Which of the following is an example of the right
to work law passed in...
asked 7 hours ago