Overheating of a Car Engine and Radiators
                     Overheating of a Car Engine and Radiators
Rosalina Wolf
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The power and torque is produced in an engine through upward and 
downward piston action and the reciprocating motion of the connected 
rod and the crankshaft. Whenever continuous movement between 
machine parts happen, friction comes into picture.
replacement radiatorFriction due to rubbing of surfaces with each other 
like piston rubbing against the cylinder and the connecting rod and 
crankshaft generates heat in the machine components. Certain amount of 
heat is generated by the ignition of fuel in the cylinder.
Consequences of engine heating
The heat generated depreciates the economy of the fuel as a part of the 
energy generated by ignition of fuel is getting wasted in the form of heat 
due to friction and more effort has to be put to overcome the friction. A high 
engine temperature can reduce the life of the engine due to the fact that heat 
disorients the grain structure of the material and leads to deformation and 
wear and tear of the machine. This increases the maintenance cost and 
decreases the life of the engine.
Reasons for engine overheating
If the engine of your car is facing over heating problem, it can be because of 
many things. Starting from the basic, it might be possible that the engine oil 
is not being used or either it is of bad quality. Another major cause for 
overheating of engines is inadequate coolant levels.
So you have to ensure on regular interval of times that there is enough coolant 
present in the tank. Sometimes, the coolant level decreases in the tank due to 
leakage. So timely inspection of car should be done to ensure that things are in 
proper condition. Often the cooling system fails to operate because the 
thermostat becomes dysfunctional. This can lead to many associated problems 
like fan failure and non-circulation of coolant. These are few of the major reasons 
for heating of an automobile engine.
best replacement radiators Radiator system for car engine cooling
The heat generated by the engine has to be removed from the engine so that 
work can be obtained from an engine for long hours. Else the engine will 
breakdown. Part of this done with the help of engine oil. Engine oil lubricates the 
sides of the cylinder and ensues that the piston movements over the cylinder 
surface is smooth and does not generate much heat.
Even then the generated heat is much and cooling systems have to be employed 
to counter the heat generated. Car cooling system is majorly a heat exchange 
system which uses a coolant liquid to extract the heat from the engine. Many a 
times, water is used as coolant. Radiator consist of coolant tubes that circulate 
water over the engine. The passing water over the engine extracts heats from the 
water thereby reducing the temperature of the engine. A turbulator is provided 
to agitate the tubes so that the water is heated uniformly and not just on the 
tube surface. This increases the efficiency of the system. Due to heating, the 
coolant expands. Due to excessive heating, the pressure may rise in the tubes 
which may cause them to blast. To avoid this, protective caps are provided which 
opens in case high pressure is generated in the tubes.
Often, this process is supplemented by a cooling fan over radiator. Coolant is 
sprinkled over the radiator and a fan cools the liquid by passing air through it. 
This helps in further cooling of the coolant. This way the heat generated in the 
engine is removed. With the help of cooling systems, life of the engine is 
improved and it can be used for long hours continuously.
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