After the autumnal equinox, the cool breeze arrives.People need to be kept warm but spark plugs need to be cooled down. However, in the engine combustion chamber ,the temperature received instantly can reach up to 3000℃,far exceeding “the optimal survival temperature of spark plugs” of 500C~800℃. It is easy to cause pre-ignition and engine knocking!
How to cool down the spark plug?
Torch will tell you in the following two parts!
1: Basic knowledge points of spark plugs.
2: The secret to reducing the “temperature” of spark plugs.
NO.1 What are spark plugs used for?
The spark plug is a key component of the ignition system in the internal combustion engine Its function is to generate sparks in the combustion chamber and ignite the mixed gas.
NO.2 How do the spark plugs dissipate heat?
Metal has good thermal conductivity, copper is one of the best which can quickly put the engine into operation.The heat generated is transferred away to avoid overheating.
(1) Center electrode-embedded copper core, capable of quickly absorbing heat from the ignition end of the spark plug, Conducted to the thread. Then the water jacket is built into the cylinder head to dissipate heat.
(2) Copper core is embedded in the side electrode,turbocharged engine
The in-cylinder temperature after combustion is higher than that of ordinary engines.Under such circumstances,spark plug heat dissipation performance is particularly important.The side electrodes are added with a copper core structure to improve heat dissipation capacity.Reduce the side electrode temperature to prevent premature ignition.
NO.3 What’s the importance of spark plug in car?
As we all know, the spark plug is an important part of the gasoline engine. It is used for ignition. The pulse high voltage of the ignition coil discharges at the front end to form a spark. When the gasoline is compressed, the spark plug spark ignites the gasoline to keep the engine running normally. The spark plug is the key to the ignition system of the car. The ignition system is the key to the working of the engine. Can you introduce how often to replace the spark plugs, and the hazards of not replacing the spark plugs in time. And the grade classification of torch spark plug? How to let car owners and friends know more about torch spark plugs, so as to promote the replacement rate of spark plugs.
Platinum metal has similar physicochemical properties:
High melting point, high strength, stable electric heating, high resistance to spark erosion, excellent corrosion resistance, strong high temperature oxidation resistance, and good catalytic activity. But having said that, it does not mean that torch spark plugs contain platinum, which means that anyone can make gold. In order to better meet the needs of engine working conditions, spark plugs will add other elements to precious metals to strengthen their characteristics. Therefore, regardless of the workload or the difficulty of the work, alchemy is a highly technically difficult job.
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