[Pacific Automobile Network] Small circulation refers to the engine coolant that does not circulate through the water tank, but only through the storage kettle. Complete the alternation of cold and hot in the cylinder head pipeline.The large cycle is when the temperature of the cooling water is higher than 80 degrees Celsius, the main valve of the thermosulator is fully open, the side valve is fully closed, and all the cooling water flows into the radiator, and the cooling intensity is large.
The small cycle of the engine cooling system is that the coolant is only circulated in the waterway inside the engine, and the large cycle is that the coolant cycle passes through the radiator outside the engine, that is, the water tank. The switching of the two cycle modes is done through the thermosulator. When the thermostor is turned off, a small cycle is carried out, and vice versa, a large cycle is carried out.
The large circulation of the cooling system is the circulation flow of water through the radiator when the water temperature is high. As shown below: Control of large and small cycles: a thermoster is usually used to control the flow of cooling water through the radiator.
And when the engine temperature reaches a certain value, the main valve will be opened, and the coolant will pass through the radiator. At this time, the flow rate is large and the line is long, so it is called a large cycle. This great advantage can achieve precise control of the engine temperature, and it is also the reason why the air cooling system is completely eliminated.
The following is the meaning of the large cycle and small cycle of the cooling system: when the temperature of the cooling water is higher than 86 degrees, the main valve of the thermosulator is fully open, the side valve is fully closed, and the cooling water is all flowing into the radiator; at this time, the cooling intensity is high, which promotes the water temperature to drop without being too high.
The main work of the cooling system is to dissipate heat into the air to prevent the engine from overheating. Another important role is to warm up the engine as soon as possible and maintain a constant temperature.The cooling system can be divided into air-cooled and water-cooled according to different cooling media.
Air cooling and water cooling refer to the cooling method of the engine. The engine generates a high amount of heat during operation and needs to be cooled down. Air cooling. This cooling method is suitable for small-displacement engines. The engine is cooled by the air volume of the vehicle itself. The higher the driving speed, the greater the air volume, and the better the cooling effect.
The second reason is the pressure of environmental protection to reduce engine exhaust emissions.
1. An engine that uses water as a cooling medium is called a water-cooled engine. Coolant is also water, which is transported by a water pump and flows through the engine and water radiator. When the car is driving, use the windflow or force the water flowing through the radiator through the fan to cool. The temperature of the coolant (water) is regulated by the valve of the thermoster.
2. Water cooling is a coolant to cool the engine, and air cooling is natural cooling. The water-cooled engine is used to cool the engine, so that the engine can work for a long time without being affected. The air-cooled engine is made of motor vehicles inWhen driving, the wind speed cools the engine to achieve the purpose of cooling. You can't work for a long time, and you need to rest halfway.
3. Water cooling is good. The advantage of the air-cooled engine is that the structure is simple and does not require additional auxiliary accessories. The heat sink on the cylinder block and cylinder head can meet the basic heat dissipation needs of the engine. However, if the heat dissipation method is too single for continuous driving, the engine will have thermal decay and water-cooled start-up. This kind of engine has a new liquid.
4. Air cooling and water cooling refer to the cooling method of the engine. The engine generates a high amount of heat during work. Generally, domestic motorcycles rely on the air volume of the vehicle itself to cool the engine. The higher the driving speed, the greater the air volume.
1. The cooling effect of the water cooling system will be better than that of the air cooling system, mainly because the specific heat capacity of water is larger than that of wind, which is more conducive to the loss of heat. In addition, the water cooling system will also achieve excellent temperature control through the simultaneous action of large and small cycles, which is conducive to the engine operating at the most suitable temperature.
2. Air cooling takes away heat by the airflow when driving, while water cooling takes away heat by antifreeze circulation. Water cooling is mainly used in engine heat dissipation and turbine heat dissipation, and few inercoolers use water cooling. ( 1) Air-cooled uses external air to cool the air passing through the intercooler.
3. The advantage of water-cooled engine is fast heat dissipation, which can run at high speed for a long time, which is not easy.Thermal exhaustion, but the disadvantage is that the structure of the water-cooled engine is complex. If the pipeline ages for a long time, it is easy to leak coolant. If the coolant leaks in the suburbs, it will cause the vehicle to break down. There are certain hidden dangers, but in general, the advantages outweigh the disadvantages.
4. The heat dissipation method is different. The oil-cooled car uses its own oil in the engine to connect it to the outside of the engine through the pipeline, and then flows back to the engine after cooling the oil-cooled radiator. The process is driven by the oil pump inside the engine. This design is simpler than the water-cooled engine, and there is no need to design a water sleeve.
5. The water-cooled block is a metal block with a waterway inside. It is made of copper or aluminum. When it comes into contact with the CPU, it will absorb the heat of the CPU. Therefore, the function of this part is the same as that of the air-cooled radiator.
6. Water cooling means that a circulating water mat is installed inside the body, which can flow the water inside through the water mat, so as to transport the heat to achieve the effect of cooling. Or there is a water cooling device installed on the outside, and the working principle is the same as the previous one. The disadvantage of water cooling is that the cost is too high. It is not suitable for ordinary users.
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[Pacific Automobile Network] Small circulation refers to the engine coolant that does not circulate through the water tank, but only through the storage kettle. Complete the alternation of cold and hot in the cylinder head pipeline.The large cycle is when the temperature of the cooling water is higher than 80 degrees Celsius, the main valve of the thermosulator is fully open, the side valve is fully closed, and all the cooling water flows into the radiator, and the cooling intensity is large.
The small cycle of the engine cooling system is that the coolant is only circulated in the waterway inside the engine, and the large cycle is that the coolant cycle passes through the radiator outside the engine, that is, the water tank. The switching of the two cycle modes is done through the thermosulator. When the thermostor is turned off, a small cycle is carried out, and vice versa, a large cycle is carried out.
The large circulation of the cooling system is the circulation flow of water through the radiator when the water temperature is high. As shown below: Control of large and small cycles: a thermoster is usually used to control the flow of cooling water through the radiator.
And when the engine temperature reaches a certain value, the main valve will be opened, and the coolant will pass through the radiator. At this time, the flow rate is large and the line is long, so it is called a large cycle. This great advantage can achieve precise control of the engine temperature, and it is also the reason why the air cooling system is completely eliminated.
The following is the meaning of the large cycle and small cycle of the cooling system: when the temperature of the cooling water is higher than 86 degrees, the main valve of the thermosulator is fully open, the side valve is fully closed, and the cooling water is all flowing into the radiator; at this time, the cooling intensity is high, which promotes the water temperature to drop without being too high.
The main work of the cooling system is to dissipate heat into the air to prevent the engine from overheating. Another important role is to warm up the engine as soon as possible and maintain a constant temperature.The cooling system can be divided into air-cooled and water-cooled according to different cooling media.
Air cooling and water cooling refer to the cooling method of the engine. The engine generates a high amount of heat during operation and needs to be cooled down. Air cooling. This cooling method is suitable for small-displacement engines. The engine is cooled by the air volume of the vehicle itself. The higher the driving speed, the greater the air volume, and the better the cooling effect.
The second reason is the pressure of environmental protection to reduce engine exhaust emissions.
1. An engine that uses water as a cooling medium is called a water-cooled engine. Coolant is also water, which is transported by a water pump and flows through the engine and water radiator. When the car is driving, use the windflow or force the water flowing through the radiator through the fan to cool. The temperature of the coolant (water) is regulated by the valve of the thermoster.
2. Water cooling is a coolant to cool the engine, and air cooling is natural cooling. The water-cooled engine is used to cool the engine, so that the engine can work for a long time without being affected. The air-cooled engine is made of motor vehicles inWhen driving, the wind speed cools the engine to achieve the purpose of cooling. You can't work for a long time, and you need to rest halfway.
3. Water cooling is good. The advantage of the air-cooled engine is that the structure is simple and does not require additional auxiliary accessories. The heat sink on the cylinder block and cylinder head can meet the basic heat dissipation needs of the engine. However, if the heat dissipation method is too single for continuous driving, the engine will have thermal decay and water-cooled start-up. This kind of engine has a new liquid.
4. Air cooling and water cooling refer to the cooling method of the engine. The engine generates a high amount of heat during work. Generally, domestic motorcycles rely on the air volume of the vehicle itself to cool the engine. The higher the driving speed, the greater the air volume.
1. The cooling effect of the water cooling system will be better than that of the air cooling system, mainly because the specific heat capacity of water is larger than that of wind, which is more conducive to the loss of heat. In addition, the water cooling system will also achieve excellent temperature control through the simultaneous action of large and small cycles, which is conducive to the engine operating at the most suitable temperature.
2. Air cooling takes away heat by the airflow when driving, while water cooling takes away heat by antifreeze circulation. Water cooling is mainly used in engine heat dissipation and turbine heat dissipation, and few inercoolers use water cooling. ( 1) Air-cooled uses external air to cool the air passing through the intercooler.
3. The advantage of water-cooled engine is fast heat dissipation, which can run at high speed for a long time, which is not easy.Thermal exhaustion, but the disadvantage is that the structure of the water-cooled engine is complex. If the pipeline ages for a long time, it is easy to leak coolant. If the coolant leaks in the suburbs, it will cause the vehicle to break down. There are certain hidden dangers, but in general, the advantages outweigh the disadvantages.
4. The heat dissipation method is different. The oil-cooled car uses its own oil in the engine to connect it to the outside of the engine through the pipeline, and then flows back to the engine after cooling the oil-cooled radiator. The process is driven by the oil pump inside the engine. This design is simpler than the water-cooled engine, and there is no need to design a water sleeve.
5. The water-cooled block is a metal block with a waterway inside. It is made of copper or aluminum. When it comes into contact with the CPU, it will absorb the heat of the CPU. Therefore, the function of this part is the same as that of the air-cooled radiator.
6. Water cooling means that a circulating water mat is installed inside the body, which can flow the water inside through the water mat, so as to transport the heat to achieve the effect of cooling. Or there is a water cooling device installed on the outside, and the working principle is the same as the previous one. The disadvantage of water cooling is that the cost is too high. It is not suitable for ordinary users.
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