(一)目的通过温度实测以便进一步检验组合活塞承受热负荷能力以及振荡冷却的效能。该测温试验是利用经过100小时可靠性观察试验的活塞在200单缸柴油机上进行的。 (二)测温结果由于组合活塞的环槽部分有振荡冷却油的直接冷却,再加上钢头第一环槽上方圆环部分 (A) Purpose To pass the temperature measurement to further verify the combined piston’s ability to withstand thermal loads and oscillatory cooling. The temperature test is performed on a 200-cylinder diesel engine using a piston that has been subjected to a 100-hour reliability observation test. (B) of the temperature measurement due to the ring part of the combined piston oscillation cooling oil direct cooling, coupled with the ring above the first ring groove ring part