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Power Output / [(1/Thermal Efficiency) - 1], where Thermal Efficiency = 1 - Tc/Th
Wiki User
∙ 10y ago
Wiki User
∙ 14y agoThe efficiency of a carnotcucle is the maximum obtainable efficiency of a work process between 2 temperatures T(high) and T(low)
The efficiency is: 1-{T(low)/T(high)}
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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
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 do you calculate the efficiency of a power plant when you know its heat rate?
Efficiency = (860.4*100)/(Heat rate in kCal/kWh) or Efficiency = (860.4*4.18*100)/(Heat rate in kJ/kWh) Ex 1: if heat rate is 2500 kCal/kWh, then efficiency is 34.416% Ex 2: if heat rate is 9000 kJ/kWh, then efficiency is 39.96%
Why do different materials heat up at different rate?
usually metals or conductors get the heat energy from the heat. the heat transfer the particles in the conductors which causes it to heat up in a faster rate to get it hot.
How is the average rate of heat transfer calculated?
when is heat transferred?
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
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 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 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.
Determined by heart rate x stroke volume?
cardiac output
Which statement is correct about cardiac output?
cardiac output is heart rate multiplied by stroke volume,
Where does the input power go when the mechanical output power is zero?
either to friction (heat, sound, light) or to internal mechanical changesAnother AnswerPower doesn't 'go' anywhere! Power is simply a 'rate': the rate at which the machine is doing work. If the machine isn't doing work by supplying a mechanical load, then it's output power is zero. However, energy still has to be provided to overcome the losses due to heat transfer from the machine, friction, windage, etc. The rate at which this energy is supplied to the motor is the power of the machine off load.
