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在使用条件下,要对发动机的可靠性作出客观的评价需长达5～8年的时间。苏联汽车与汽车发动机研究所研制了一种可对发动机进行所谓“热休克”的热冲击试验装置。发动机在热负荷和外载负荷交变的工况下,在该装置上总共只需运转105h即可作出可靠性评价。 该装置的组成有:感应式制动器、燃油泵油量调节齿杆操纵器、控制和测量系统、发动机的冷却系以及接入冷却系回路中的冷、热水箱和电磁阀等(见图)。试验时发
Under the conditions of use, to make an objective assessment of the reliability of the engine for up to 5-8 years. The Institute of Automotive Engine and Vehicle Engine developed a so-called “thermal shock” thermal shock test device for the engine. The engine in the heat load and external load alternating load conditions, the device only a total of 105h to run to make a reliability assessment. The device consists of an induction brake, a fuel pump fuel lever control, a control and measurement system, a cooling system for the engine, cold and hot water tanks and solenoids connected to the cooling system circuit (see photo) . Test hair