Abstract
The article is devoted to the gas-dynamic improvement of processes in the cylinder of an internal combustion engine by using profiled channels in the intake tract. Based on experimental studies of the gas dynamics of stationary air flows, thermograms of distribution of the gas flow inside the cylinder for the intake tract with channels having cross sections in the form of a circle, square and triangle for various initial velocities were obtained. The flow structure inside the cylinder was studied using the method of thermal survey, the average air flow velocity was determined using the method of thermal anemometry. It is established that the use of profiled channels in the intake tract leads to a significant change in the flow structure inside the cylinder, improving uniformity of distribution of the velocity field and reducing stagnant zones, and in the future it will increase the specific power of the internal combustion engine, reduce specific fuel consumption and the amount of harmful substances in the exhaust gases.
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