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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 is the steam ingein?
A steam engine is a heat engine. A steam engine uses boiling water to produce mechanical work. It uses the steam from the boiling water as its working fluid.
How does a cooling system work?
Basically the cooling system takes care of the temperature of the engine, not only to cool it down but to heat it up too. You see, the engine doesn't work when overheated but when it is cold the components wear out faster.There are two types of cooling systems found on cars: liquid cooled and air cooled.Liquid CoolingThis cooling system circulates a fluid through pipes and passageways in the engine. The liquid then passes through the hot engine and absorbs the heat. Then, the fluid goes to a heat exchanger, or radiator, which transfers the heat from the fluid to the air blowing through that same radiator.Note that the fluid used cannot be only water because although water is the perfect heat holder it freezes at low temperature so this fluid is a mix of water and a product usually called antifreezer.Air CoolingInstead of circulating fluid through the engine, the engine block is covered in aluminum fins that conduct the heat away from the cylinder and these fins are kept cool by a very powerful fan that forces air over them, transferring the heat to the air.This system is growing out of use and can be found in older cars.
What is known as carnot heat engin?
carnot's heat heat engine is also known as ideal heat engine.because in carnot's the precess is reversible .Total heat converted into work . The efficiency is maximum for carnot's heat engine.
What are the operations of cooling system?
The cooling system in your car (radiator) cycles fluid (water with anifreeze/coolant) through your engine to keep it from overheating. It carries heat away from the engine.
Whats this white sticky fluid on the car engine?
I would be concerned water in the oil. If that is the case you have a major problem. Does the car over heat?
A kind of engine that uses water steam or heat?
A steam engine uses water, steam, and heat.
What factors reduce the efficiency of a heat engine from its ideal value.?
friction, imperfect insulation
How is radiant energy transformed into usable energy?
Radiant energy is absorbed as heat into a fluid which by thermal expansion causes a mass movement of the fluid, which can be directed through an engine producing a mechanical motion from that expansion. As the fluid moves through the engine it gives up heat, as it further expands in the engine, then it is condensed, and is mechanically returned to absorb heat again, to complete the cycle. ** heat produces expansion of a fluid, expansion of that same fluid without heat input therefore cools the fluid, by releasing heat into mechanical energy. Such as passage through a jet, or expansion within a cylinder. This expanded fluid must then be condensed by removing the remaining heat before it can be reused.
My Car heater doesn't blow heat immediately when car is started?
You can not get heat from cold water, The engine has to run long enough to get the water in the engine HOT. That is were you get heat from HOT WATER-- Coolent
How does water cool car engines?
The cooling system on liquid-cooled cars circulates a fluid through pipes and passageways in the engine. As this liquid passes through the hot engine it absorbs heat, cooling the engine. After the fluid leaves the engine, it passes through a heat exchanger, or radiator, which transfers the heat from the fluid to the air blowing through the exchanger. The cooling system in your car has a lot of plumbing. We'll start at the pump and work our way through the system. The pump sends the fluid into the engine block, where it makes its way through passages in the engine around the cylinders. Then it returns through the cylinder head of the engine. The thermostat is located where the fluid leaves the engine. The plumbing around the thermostat sends the fluid back to the pump directly if the thermostat is closed. If it is open, the fluid goes through the radiator first and then back to the pump. There is also a separate circuit for the heating system. This circuit takes fluid from the cylinder head and passes it through a heater core and then back to the pump.
Convection is the transfer of heat through what?
Convection is "the transfer of heat through the motion of molecules in a fluid."
