Energy calculation, revealed that the pressure of the accumulator in explosion was about 2 470 MPa, indicating that the physical explosion only resulting from the excessive pressure of compressed gas could not produce so high pressure. 采用能量计算法得到蓄能器爆炸时的压力高达2470MPa,说明单纯的由压缩气体超压导致的物理爆炸不可能产生如此高的压力。