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What factors reduce the efficiency of heat engine from its ideal value?
This inefficiency can be attributed to three causes. There is an overall theoretical limit to the efficiency of any heat engine due to temperature, called the Carnot efficiency. Second, specific types of engines have lower limits on their efficiency due to the inherent irreversibility of the engine cycle they use. Thirdly, the non ideal behaviour of real engines, such as mechanical friction and losses in the combustion process causes further efficiency losses.OR· friction of moving parts· inefficient combustion· heat loss from the combustion chamber· departure of the working fluid from the thermodynamic properties of an ideal gas· aerodynamic drag of air moving through the engine· energy used by auxiliary equipment like oil and water pumps· inefficient compressors and turbines· imperfect valve timing
How do you derive efficiency formula from heat rate for stem turbine?
Efficiency formula for a steam turbine is typically derived by dividing the electrical power output by the heat energy input. The heat rate of the steam turbine represents the amount of heat energy required per unit of electrical power generated, and by rearranging the equation, we can derive the efficiency formula as the reciprocal of the heat rate.
What is the rate at which things heat up called?
Thermodynamics is a study of monitoring heat rate in fluids. This helps you to assess the rate at which certain fluids heat up when exposed to warm tempratures.
How is cardiac output calculated?
Cardiac output is calculated by multiplying the heart rate (number of heartbeats per minute) by the stroke volume (amount of blood ejected by the heart with each beat). The formula is: Cardiac output = Heart rate x Stroke volume.
Cardiac output is determined by?
Cardiac output is determined by the heart rate and stroke volume. The heart rate is the number of heartbeats per minute, while stroke volume is the amount of blood ejected from the heart with each beat. Cardiac output is calculated by multiplying heart rate by stroke volume.
In carnot's heat engine why is the heating done at extremely slow rate?
Yes , its a quasi equilibrium process so heat is added slowly
Does an increased rate of metabolism decrease the output of heat?
no even it will increase the out put heat
What factors reduce the efficiency of heat engine from its ideal value?
This inefficiency can be attributed to three causes. There is an overall theoretical limit to the efficiency of any heat engine due to temperature, called the Carnot efficiency. Second, specific types of engines have lower limits on their efficiency due to the inherent irreversibility of the engine cycle they use. Thirdly, the non ideal behaviour of real engines, such as mechanical friction and losses in the combustion process causes further efficiency losses.OR· friction of moving parts· inefficient combustion· heat loss from the combustion chamber· departure of the working fluid from the thermodynamic properties of an ideal gas· aerodynamic drag of air moving through the engine· energy used by auxiliary equipment like oil and water pumps· inefficient compressors and turbines· imperfect valve timing
How much horsepower from 302 V8 engine mustang?
230BHP as rate out of magazines. Maximum output unknown by me
How do you calculate the gross heat rate of a turbine?
Divide heat added to the boiler between feedwater inlet and steam outlet by the kilowatt output of the generator at the generator terminals. Rate expressed in btu. See article.
What is the formula for calculating heat rate for a peaking gas turbine?
The heat rate for a peaking gas turbine is calculated using the formula: [ \text{Heat Rate} = \frac{\text{Energy Input (BTU/h)}}{\text{Electricity Output (kWh)}} ] This formula measures the efficiency of the turbine by comparing the fuel energy consumed to the electrical energy produced. A lower heat rate indicates a more efficient turbine. Typically, the values used in this calculation can be derived from fuel consumption data and the electrical output of the turbine.
How calculate heat rate of combined cycled power plant?
The heat rate of a combined cycle power plant is calculated by dividing the total energy input in the form of fuel (measured in BTUs or megajoules) by the total electrical output (measured in kilowatt-hours or megawatt-hours). The formula is: [ \text{Heat Rate (BTU/kWh)} = \frac{\text{Fuel Input (BTU/hr)}}{\text{Electrical Output (kW)}} ] This metric indicates the efficiency of the plant; a lower heat rate signifies a more efficient power plant.
How do you derive efficiency formula from heat rate for stem turbine?
Efficiency formula for a steam turbine is typically derived by dividing the electrical power output by the heat energy input. The heat rate of the steam turbine represents the amount of heat energy required per unit of electrical power generated, and by rearranging the equation, we can derive the efficiency formula as the reciprocal of the heat rate.
How is slew rate affect on amplifier?
as it is rate of change of output voltage..so it affect amplifier output
What does cardiac output do if the heart rate decreases?
Cardiac output = heart rate X stroke volume Thus, if the heart rate decreases so will the cardiac output, assuming the stroke volume is constant.
What is heat release rate?
Heat Rate is an expression of the conversion efficiency of power generating engines or collectively plants. The typical unit for this is Btu/kWh, or British Thermal Units per kilowatt hour. For example 8,000 Btu/kWh means that 8,000 Btu of heat energy which is input into the engine will result in conversion to 1 kWh of electricity. The heat energy is of course input into the plant by combustion of many different types of fuels. It should not be misunderstood that using different fuels for the same engine will result in different Heat Rates for the engine. However the Heat Rate may be kept constant or even improved marginally by ensuring the engine is always properly maintained so that all working components are working at their peak efficiency. Obviously a poorly maintained engine will result in a deterioration of its Heat Rate, which means that more fuel will have to be burnt to generate the same amount of electricity. It is easy to understand why investors in power generation projects look at Heat Rate as a key indicator of the profitability of the plant concerned.
How do you calculate utilization rate?
It is also known as operating rate. Formula is actual input minus potential output over potential output, multiplied by 100 utilization rate.
