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That would be the radiator and heater core.
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What is exchange heat?
A Heat Exchanger is a device which is used to transfer heat from one medium to other. A common example is the radiator in an automobile, which transfers the heat from the liquid engine coolant to the air pulled through the radiator by the fan.
What are the types of heat transfers?
Conduction: Transfer of heat in solids Convection: Transfer of heat in liquid and gases (convection currents are the motion of which the heat travels in, see hot air balloon's) Radiation: Transfer of heat through vacuum (space i.e no particles)
Body heat tranferred to the air by what?
The body transfer heat to air by a heat transfer method called radiation.
Transfer of heat by hot liquids and gases?
Convection is the transfer with in the fluid. If a container of hot liquid is touching something then it is conduction. If the heat is travelling through the air then it is radiation.
What is the function of the heat sink?
A heat sink is a device that allows the transfer of heat away from the heat source. It can be in the form of a paste or jelly or a simplealuminum structure which is attached to the heat source. Virtually all microprocessors in computers utilize a heat sink to transfer the heat of the CPU to the aluminum which can 'shed' that heat into the air (air transfer method). Some CPUs are water cooled; one might say that this is a 'water heat sink' but that really isn't true.
When does Heat transfer occurs in liquid and gasses?
Heat transfer occurs whenever two or more objects of different temperatures are in contact with each other. Spilling hot water on yourself causes heat transfer from the water to you. When you drive your car the hot engine and radiator transfer heat to the surrounding air in order to cool the engine.
Why is change of state important to air conditioning?
The refrigerant change of state is what causes the heat transfer. The refrigerant is a low-pressure liquid when it's in the evaporator, which absorbs heat from the air, cooling it. The absorption of the heat causes the refrigerant to boil (change state from liquid to gas). The gas is then brought to the condenser in the front of the car where it cools (rejects heat out) and condenses back to a liquid.
What does the evaporator do in an air conditioning system?
The evaporator transforms the refrigerant from a liquid state to a gaseous state, and also causes it to absorb heat drawn from the vehicle's passenger compartment and transfer that heat to the outside air.
How fast does 4oz of water freeze?
Freezing rate depends on the surface area, the heat transfer medium, and its temperature. If it is a thin layer (large surface area) of water it would freeze faster than a thick layer (smaller surface area). A liquid heat transfer medium, like liquid nitrogen, would have a higher heat transfer rate than a gas, like air. Lastly, the colder the heat transfer medium, the faster the heat transfer rate, the faster the water would freeze.
Is a hot air popcorn popper conduction?
by transfer of heat by the movement of air ,gases or heated liquid between areas of unequal density,upward flow of warm air
What is heat transfer in condensation?
It's complicated and hard to explain, but I'll try my best. Evaporation occurs when a liquid changes to a gas, but only on the surface of the liquid volume. The gas molecules transfer heat to the liquid molecules. An unequal distribution of heat causes some liquid molecules to become gas molecules. It is random and uneven. Energy from the sun also spawns evaporation. When evaporation does happen, the molecules that leave the liquid body takes a lot of heat with it, therefor the average temperature of the liquid decreases. Evaporation depends on heat, humidity, and air movement.
What is the method of heat transfer between two air masses?
The primary method of heat transfer between two air masses is convection.
