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How would you increase the efficiency of a Carnot engine by increasing T1 or by decreasing T2 - why?
Increasing the temperature of the hot reservoir will increase efficiency. So will decreasing the temperature of the cold reservoir (heat sink). There are limits as to how cold you can get the heat sink however. Cutting the temperature of the heat sink in half will give the same improvement in efficiency as doubling the temperature of the heat source - but it's a lot harder to cut the temperature of the heat sink in half than to double the temperature of the heat source. Also, the heat sink is usually around the temperature of the environment - which you have little control over.
... bottom line - you are probably going to find it easier to improve the efficiency by raising T1 than by decreasing T2.
What else can I help you with?
How would you increase the efficiency of a carnot engine?
Compression ratio (CR) is the total volume of a cylinder at BDC (bottom dead center) divided by total volume of space at TDC (top dead center). To increase CR, you must either increase the total volume of displacement, or decrease the volume at TDC. This can be achieved by shaving the heads, increasing the bore, or increasing the stroke. Provided there is room for valve clearance, shaving the heads is the simplest method.
Is the energy of carnot engine is maximum?
The Carnot engine is the most efficient heat engine possible, but it does not produce maximum energy. It operates between two temperature reservoirs and has an upper limit on efficiency based on those temperatures. The efficiency of a Carnot engine is determined by the difference in temperature between the hot and cold reservoirs.
What is the efficiency of a carnot engine operating between boiling point and freezing point of water?
You must insert the temperatures, in Kelvin, into the formula. Freezing point of water: 273 K; boiling point of water: 373 K. Thus, you get a Carnot efficiency of (373 - 273) / 373, or about 27%.
What is the carnot statement of the second law of thermodynamics?
The efficiency of a quasi-static or reversible Carnot cycle depends only on the temperatures of the two heat reservoirs, and is the same, whatever the working substance. A Carnot engine operated in this way is the most efficient possible heat engine using those two temperatures
What is the maximum work obtainable from two bodies at temperatures T1 and T2 . i need derivation. pls help you out?
To obtain the maximum work/time (power) from two bodies at different temperatures, you have to put an "Ideal" Heat Engine between the two bodies. The Heat Engine works with the "Carnot Thermodynamic Cycle". The Heat Efficiency of the Carnot Cycle Engine is called "Carnot Efficiency" and it only depends on the Absolute Temperature of the two bodies. Absolute Temperature also known as Thermodynamic Temperature will be in Rankine degrees, oR, (U.S.C.S.), or Kelvins (I.S.). The Carnot Heat efficiency is given by; eff (%) = [1 - TL/TH] x 100 where TH and TL are the High and Low Thermodynamic Temperatures of the bodies. So if a given Carnot Efficiency turns out be of 35%, this means that from the heat given by the High Temperature body, 35% is converted to work and the rest is dumped to the Low Temperature body.
Which is more efficient efficiency of carnot engine increased by increasing temp of source or decreasing temp of sink?
That depends how much you increase the source, and how much you decrease the sink.That depends how much you increase the source, and how much you decrease the sink.That depends how much you increase the source, and how much you decrease the sink.That depends how much you increase the source, and how much you decrease the sink.
How would you increase the efficiency of a carnot engine?
Compression ratio (CR) is the total volume of a cylinder at BDC (bottom dead center) divided by total volume of space at TDC (top dead center). To increase CR, you must either increase the total volume of displacement, or decrease the volume at TDC. This can be achieved by shaving the heads, increasing the bore, or increasing the stroke. Provided there is room for valve clearance, shaving the heads is the simplest method.
Why carnot cycle are consider as ideal reversible cycle?
carnot cycle is the highiest efficiency
How can the efficiency of a Carnot Engine be increased?
Increase source temperature or decrease sink temperature.More efficient way is to decrease sink temperature.
What is the Carnot engine problem and how does it relate to the efficiency of a heat engine?
The Carnot engine problem refers to the theoretical limit on the efficiency of heat engines, as described by the Carnot cycle. This problem highlights that no real heat engine can be 100 efficient, as some energy is always lost as heat. The efficiency of a heat engine is limited by the Carnot efficiency, which depends on the temperatures of the heat source and sink. This concept helps engineers understand and improve the efficiency of real-world heat engines.
How to calculate the Carnot efficiency of a heat engine?
The Carnot efficiency of a heat engine can be calculated by dividing the temperature difference between the hot and cold reservoirs by the temperature of the hot reservoir. The formula is: Carnot efficiency 1 - (Tc/Th), where Tc is the temperature of the cold reservoir and Th is the temperature of the hot reservoir.
Define the efficiency of carnot engine?
The efficiency of the carnot engine - or any engine for that matter - is given by the quocient between the desired effect and what you payed for it, that is, the quocient between the net work output and the heat added to the system.
Is the energy of carnot engine is maximum?
The Carnot engine is the most efficient heat engine possible, but it does not produce maximum energy. It operates between two temperature reservoirs and has an upper limit on efficiency based on those temperatures. The efficiency of a Carnot engine is determined by the difference in temperature between the hot and cold reservoirs.
What temperature would the cold reservoir need to be for a Carnot engine to achieve 100 percent efficiency?
For a Carnot engine to achieve 100 percent efficiency, the temperature of the cold reservoir would need to be absolute zero (0 Kelvin). This is because the efficiency of a Carnot engine is given by 1 - (Tc/Th), where Tc is the temperature of the cold reservoir and Th is the temperature of the hot reservoir, and efficiency is maximized as Tc approaches absolute zero.
What is the rate of heat output of a Carnot engine?
The rate of heat output of a Carnot engine depends on the temperature of the hot reservoir and the temperature of the cold reservoir. It can be calculated using the Carnot efficiency formula, which is the temperature difference between the hot and cold reservoir divided by the temperature of the hot reservoir.
What is the coal energy efficiency?
If it is burned - which is the way such fuels are usually used - the energy efficiency is the energy efficiency of a heat engine. The theoretical maximum efficiency is the Carnot efficiency; the real efficiency will usually be considerably less than that.
What is the significance of the Carnot COP in the efficiency of heat engines?
The Carnot COP is significant in the efficiency of heat engines because it represents the maximum possible efficiency that a heat engine can achieve. It serves as a benchmark for comparing the performance of real-world heat engines, helping engineers to design more efficient systems.
