COOLING SYSTEM IN AUTOMOBILES EBOOK DOWNLOAD!
Jump to Automobiles and motorcycles - In automobiles and motorcycles with a liquid-cooled internal A typical automotive cooling system comprises. A car engine produces so much heat that there is an entire system in your car designed to cool the engine down to its ideal temperature and keep it there. A car engine produces a lot of heat when it is running, and must be cooled continuously to avoid engine damage. Generally this is done by circulating coolant liquid usually water mixed with an antifreeze solution through special cooling passages.
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So another important job of the cooling system is to allow the engine to heat up as quickly as possible, and then to keep the engine at a constant temperature.
Cooling System Auto Maintenance
In this article, we'll learn about the parts of a car cooling system and how they work. My Car It is recommended that a seven 7 -point preventative cooling system maintenance cooling system in automobiles be performed at least once every two years.
Consult your vehicle owners manual for specific auto guidelines. This inspection is designed to identify areas that need attention, and consists of: Modern automobiles operate in a wide variety of ambient temperatures, from well below freezing to well over F.
The fluid used to cool the engine must have a very low freezing point, cooling system in automobiles high boiling point, and it must have the ability to transfer heat.
Water is one of the most effective fluids for holding heat, but water freezes at too high a temperature to be used in automobile engines alone.
Radiator (engine cooling) - Wikipedia
The fluid used in most vehicles is a mixture cooling system in automobiles water and ethylene glycol, also known as "antifreeze" or "coolant". Later cars have a sealed system in which any overflow goes into an expansion tankfrom which it is sucked back into the engine when the remaining liquid cools.
How the fan helps The radiator needs cooling system in automobiles constant flow of air through its core to cool it adequately.
When the car is moving, this happens anyway; but when it is stationary a fan is used to help the airflow. The fan may be driven by the engine, but unless the cooling system in automobiles is working hard, it is not always needed while the car is moving, so the energy used in driving it wastes fuel.
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To overcome this, some cars have a viscous coupling a fluid clutch cooling system in automobiles by a temperature sensitive valve that uncouples the fan until the coolant temperature reaches a set point. Other cars have an electric fan, also switched on and off by a temperature sensor.
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To let the engine warm up quickly, the radiator is closed off by a thermostatusually sited above the pump. The thermostat has a valve worked by a chamber filled with wax. Development in high-performance aircraft engines required improved coolants with higher boiling points, cooling system in automobiles to the adoption of glycol or water-glycol mixtures.
These led to the adoption of glycols for their antifreeze properties.
Radiator (engine cooling)
Since the development of aluminium or mixed-metal engines, corrosion inhibition has become even more important than antifreeze, and in all regions and seasons. Boiling or overheating[ edit ] An overflow tank that runs dry may result in the coolant vaporizing, which can cause localized or general overheating of the engine.
Severe damage can result, such as blown headgaskets, cracked cylinder heads or cylinder blocks. Sometimes there will be no warning, because the temperature sensor that provides data for the temperature gauge either mechanical or electric is not exposed to the cooling system in automobiles hot coolant, providing a harmfully false reading.
Opening a hot radiator drops the cooling system in automobiles pressure, which may cause it to boil and eject dangerously hot liquid and steam. Therefore, radiator caps often contain a mechanism that attempts to relieve the internal pressure before the cap can be fully opened.
History[ edit ] The invention of the automobile water radiator is attributed to Karl Benz.
How an engine cooling system works
Wilhelm Maybach designed the first honeycomb radiator for the Mercedes 35hp. The second radiator is plumbed in series with the main radiator in the circuit. This was the case when the Audi was first turbocharged creating the These are not to be confused with intercoolers.
Some engines have an oil cooler, a cooling system in automobiles small radiator to cool the engine oil.