1. Improved performance of diesel generator sets after boosting

(1) Power performance has been improved:

After pressurization, the amount of circulating air entering the cylinder is greatly increased, and the circulating fuel supply can be increased accordingly, so the power of the diesel engine is significantly improved. Turbocharging can increase diesel engine power by 30% to 100%, or even higher. At the same time, after boosting, due to the increase of gas explosion pressure, friction loss increases, but the effective power of diesel engine increases more. Improve the mechanical efficiency of diesel engines. Therefore, boosting greatly improves the power performance of the diesel engine.

(2) Economic performance has been improved:

The increase in mechanical efficiency after supercharging reduces fuel consumption. The increase in intake pressure will not only improve the scavenging process, but also make the pump suction work positive, and will also reduce the fuel consumption rate. In addition, the excess air coefficient will increase correspondingly after supercharging, so that the combustion will be more perfect and the fuel consumption rate will also decrease.

(3) Harmful emissions have been reduced:

After pressurization, due to the increase of the excess air coefficient, the oxygen content in the mixed gas is relatively increased, the combustion is more complete, and the harmful substances and smoke content in the exhaust gas are reduced.

2. Problems caused by diesel engine boosting:

(1) Increase in mechanical load:

The burst pressure is one of the main indicators to measure the mechanical load of a diesel engine. After boosting, the compression pressure and explosion pressure are increased, which increases the load of the machine parts and increases the wear. Therefore, the explosive pressure after boosting should be controlled, and the structure or material of the main stressed parts should be strengthened.

(2) Increased heat load

Due to the increase in the intake air volume and fuel injection volume after boosting, the total combustion energy increases and the thermal load of the diesel engine increases; at the same time, the temperature of the compressed air entering the cylinder of the turbocharged diesel engine increases, making the maximum combustion temperature and the average cycle The temperature increases; and because the density of the working fluid increases, the heat transfer from the formula to the wall increases.

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