Question

In: Mechanical Engineering

Definition of Work, Energy,Power, and Torque In Gasoline Engine

Definition of Work, Energy,Power, and Torque

In Gasoline Engine

Solutions

Expert Solution

In Gasoline engine, net area of PV diagram gives the net work done during the cycle. It is also the difference between the work done during Power stroke and work done during compression stroke. Expansion takespace during power stroke isentropically.

In Gasoline engine, energy interaction takes place by heat. Heat is added and rejected during the cycle. Heat input and rejection takes place at constant volume. Power stroke converts the heat of energy released by the fuel burnt.

Gasoline engine produce power by rotating the whichh can exert on load. Power is the rate of doing work. It depends on torque and rpm. Gasoline engine power is the product of the torque and crankshaft's angular velocity.

Gasoline engine torque is the force to rotate the shaft about the axis. More the torque engine produces greater will be the ability of engine to perform work.

When piston moves, torque is the turning force that pushes down the piston, turns the crankshat and rotates the flywheel.


Related Solutions

Question on work energy and power.
A body of mass 2 kg initially at rest moves under the action of an applied horizontal force of 7 N on a table with the coefficient of kinetic friction = 0.1. Compute the following (a) work done by the applied force in 10 s, (b) work done by friction in 10 s, (c) work done by the net force on the body in 10 s, (d) change in kinetic energy of the body in 10 s,
Though the electric-gasoline engine allows better miles per gallon relative to a traditional gasoline engine, it...
Though the electric-gasoline engine allows better miles per gallon relative to a traditional gasoline engine, it is not without technological tradeoffs. Regarding the first electric-gasoline cars to market, much of the mpg achieved was due to styling not the ability to run on electricity, which from market surveys not as appealing as the styling of a sleeker vehicle body design. New and limited infrastructure for servicing these vehicles was created, which may have deterred buyer acceptance. Question What fundamental technical...
For the definitions please include the equations to: A:Give a definition of the torque as a...
For the definitions please include the equations to: A:Give a definition of the torque as a vector. Briefly describe torque. B: Give a definition of the angular acceleration. Briefly describe angular acceleration. C: Give a definition of the moment of inertia.
Calculate the total effective hourly cost for a contractor who purchased a 115,000-lb, 385-hp gasoline-engine Power...
Calculate the total effective hourly cost for a contractor who purchased a 115,000-lb, 385-hp gasoline-engine Power Shovel for $412,500. The machine has a set of tires that costs $12,000 and lasts for 5,000 hours. Salvage value is expected to be $44,000 at the end of its 7 years useful life. Major maintenance and repairs would accumulate annually at 70% of annual equipment depreciation cost. Tire repairs are 30% of tire depreciation. Annual percentage rate for Interest is 9%, while Insurance...
An automotive engine develops maximum torque at a speed of 1000 rpm At this speed, the...
An automotive engine develops maximum torque at a speed of 1000 rpm At this speed, the power developed by the engine is 25 kW. The engine is equipped with a single plate clutch having two pairs of friction surfaces. The mean diameter of the friction disk is 190 mm and the coefficient of friction is 0.35. Six springs, with a spring index of 6, provide the necessary axial force. The springs are made of patented and cold-drawn steel wires of...
A certain engine develops an output torque of 1800 + 200sin2?? Nm, where ? is the...
A certain engine develops an output torque of 1800 + 200sin2?? Nm, where ? is the crank angle measured from some datum. This engine drives a machine which requires a driving torque of 1800 + 300sin?? Nm. The rotating parts have a mass of 100 kg, with a radius of gyration of 0.25 m. The maximum speed of the rotating parts is observed to be 250 rev/min. a) Sketch both the driving and load torque curves on the same axes...
The power supplied by a torque, ?, to rotate an object at angular frequency, ?, is...
The power supplied by a torque, ?, to rotate an object at angular frequency, ?, is P = ??. A common car engine produces ? = 3000Nm at ? = 3000 RPM (rotations per minute). Suppose you want to create an electric car that runs on a battery and electric motor. Typically, electric car motors utilize a current of 100A and have a cross sectional area of 0.5m2. Suppose also that the number of wire turns in the coil of...
from a certain engine measurements are taken of the torque m in Nm with increasing speed...
from a certain engine measurements are taken of the torque m in Nm with increasing speed (rounds per minute rpm)results are written below. rpm 2000 2500 3000 3500 4000 4500 5000 M. 65 92 139 150 170 175 218 the model parameters for simple transgression in least squares sense are: y intercept = -19.8571 and slope = 0.0469 SSE = 749.71 1. what is the average torque at 3500 rpm? 2. what is the confidence interval for slope beta1 with...
Calculate the torque M which the engine of the pickup truck must supply to the rear...
Calculate the torque M which the engine of the pickup truck must supply to the rear axle to roll the front wheels over the curbing from a rest position if the rear wheels do not slip. Determine the minimum effective coefficient of friction at the rear wheels to prevent slipping. The mass of the loaded truck with mass center at G is 1900 kg. Calculate the torque M which the engine of the pickup truck must supply to the rear...
ESSAY QUESTIONS 8 Define the concepts of energy, work and power and explain how they are...
ESSAY QUESTIONS 8 Define the concepts of energy, work and power and explain how they are related. Provide an example of a conceptual physics problem that might involve all three factors.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT