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根据内燃机车水阻试验的技术要求,柴油机各缸功率分配的不均匀性不应超过20％,但是,在一系列情况下分配给各缸的功率的差异竟达40％。这就导致燃油的过大消耗和发动机工作寿命的降低。为了使各气缸获得相同的功率,必需在各个气缸工作过程曲线图有代表性的一些点内有相同的温度和压力,并且能以尽可能高的精度来测定这些温度和压力,对于多缸发动机来说,温度特别是压力的测定是一个很费时的过程。现在,水阻试验时发动机各气缸内的温
According to the technical requirements of water resistance tests for diesel locomotives, the power distribution in each cylinder of the diesel engine should not exceed 20% of the power distribution. However, the power allocated to each cylinder varies by 40% in a series of cases. This leads to excessive fuel consumption and reduced engine operating life. In order for each cylinder to obtain the same power, it is necessary to have the same temperature and pressure at some representative points in the graphs of the operating cycles of the cylinders, and to measure these temperatures and pressures with as high a precision as possible. For multi-cylinder engines For temperature, especially the pressure measurement is a very time-consuming process. Now, the water resistance test engine cylinder temperature