Car Radiator

Radiators are internal combustion engines used in the majority locomotives to produce necessary energy. It is not limited to the automobiles, but they are also used widely in the Piston Engine Aircraft, and stationary generating plant. A coolant is used to keep them cool and safe. Axial fan is used rotating the coolant across the radiator. It is also quite common to use water pump to circulate coolants throughout radiator.

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Detailed Description for Car Radiator

Radiators are integral part of most of locomotive and stationary engines where they are used as heat exchangers.  Based on the type of engines suitable coolants are used so that engines are kept and maintained at their optimum efficiency level.  Coolants used in the engine radiator may be either water based or oil based.  Along with water pump axial fan is used to force air through the radiator. 

As mentioned above a radiator executes function of heat dissipation in every engine.  A typical radiator is constructed in such a way that the heat produced by the engine is extracted and released with the help of coolant and air.  They consist of header tanks linked through the narrow passageways, so that huge surface area is provided to the engines to dissipate the heat.  The core of the passage way is made of thin metal layers and they are pressed together to form multiple channels.  To give enough strength and bondage they are brazed and soldered together.  In expensive automobiles one can find copper or brass radiators as against the aluminium radiators one can find in the recent automobiles where cost of the vehicles is considerably less expensive.  The method of construction resembles to that of honeycomb connected to the coolant pump. 

The main purpose of heat exchange of a radiator is achieved by applying temperature control, where wax-pellet type of thermostat is used.  IN this method the valve opens up when the optimum temperature is reached.  Similarly the thermostat remains closed when the engine is cool. When the temperature reaches its maximum level the thermostat begins its work by controlling flow of engine coolants so that engine works efficiently under the peak load conditions.  The same can be expected when the vehicle is rising through a peak or when driven through hill area.


The speed of air flow along with the coolant influence the amount the heat a radiator is capable to lose.  The capacity of radiators and type of radiators is directly proportional to the engine capacity.  



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