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How does the thermal efficiency of an ideal Otto Cycle change with the compression ratio of the engine and the specific heat ratio of the working fluid?
The answer is 38.
What do you mean by the term mechanical efficiency of an engine?
It is the ratio of indicated power to brake power.
What is the ratio of the energy a machine delivers to the energy supplied to it?
efficiencyThe ratio of useful energy to total input energy is called efficiency. It refers to the percentage of the work input that is converted to work output.
What is the ratio of a boiler burner indicates the flexibility of the burner to cope with variations of boiler load without losing efficiency of atomisation?
turndown ratio
Why compression ratio of petrol enine is 8 where as diesel engine is 22?
because a diesel engine ignites its fuel with pressure, and not with a spark like a petrol engine. that is why a petrol engine does not need as high a compression ratio as a diesel engine
How does compression ratio affect engine efficiency and performance?
Engine efficiency is increased though compression ratio by allowing a more thermodynamic energy to be converted into mechanical energy. Energy transfer is the key to efficiency.
What is cutoff ratio?
Cutoff ratio is not the ratio of the volume of the cylinder at the end of combustion to the start of the combustion process in a diesel engine. actually cutoff ratio means point at which fuel injected for a period and fuel delivery is stopped at required instant -is called cutoff ratio.............
What is the Otto cycle efficiency formula and how can it be used to calculate the efficiency of an engine?
The Otto cycle efficiency formula is given by: Efficiency 1 - (1 / compression ratio)(-1), where is the specific heat ratio of the working fluid. This formula can be used to calculate the efficiency of an engine by plugging in the compression ratio and specific heat ratio values. The higher the efficiency value, the more effectively the engine converts fuel into useful work.
What is the definition of thermal efficiency?
the efficiency of a heat engine measured by the ratio of the work done by it to the heat supplied to it.
What is the formula to calculate the thermal efficiency of an Otto cycle engine?
The formula to calculate the thermal efficiency of an Otto cycle engine is: Thermal Efficiency 1 - (1 / compression ratio)
With increasing temperature of intake air IC engine efficiency?
as intake air temperature increases it lead to decreas in i.c engine efficiency. as engine efficiency is ratio of difference in intake and outlet temperature to intake temperature.
When discussing engines the ratio of output work to input work expressed as a percentage is called .?
The ratio of output work to input work expressed as a percentage is called the efficiency of the engine. It measures how well an engine converts fuel energy into useful work output. A higher efficiency indicates that the engine is more effective at converting energy into work.
How does the thermal efficiency of an ideal Otto Cycle change with the compression ratio of the engine and the specific heat ratio of the working fluid?
The answer is 38.
In case of si engine to have best thermal efficiency the fuel air mixture ratio should be what?
LEAN
What is the stock compression for a can am outlander 800?
The stock compression ratio for a Can-Am Outlander 800 is typically around 10.8:1. This compression ratio is designed to optimize performance and efficiency for the ATV's Rotax engine. Modifications to this ratio can affect power output and engine behavior, so any changes should be made with careful consideration. Always consult the manufacturer or a professional when making modifications.
What is mixture ratio of Rocket Propellants?
The mixture ratio of rocket propellants refers to the ratio of oxidizer to fuel in a rocket engine. It is an important parameter that determines the performance and efficiency of the engine. The specific mixture ratio can vary depending on the type of propellants used and the design requirements of the rocket.
What is the compression psi of a compression ratio of 16.2?
There is no direct connection between compression ratio and pressure. Ratio is a mathematical calculation of the cylinder volume from bottom center to top center. Actual cylinder pressure will depend on the volumetric efficiency of the engine. Factors the affect volumetric efficiency include rpm, intake design, throttle plate size, amount of restriction in the exhaust, size of the valves, shape of piston and combustion chamber.
