对于dead head的理解? 我觉得dead head是不是有憋泵、闷泵的意思?看看下面的例句: the head is normally highest when no flow is delivered (dead headed) and lowest when there is no restriction to the flow and it is consequently at its maximum flow. both these extreme conditions are very undesirable. a dead headed pump will result in all of the energy supplied at the pump shaft being dissipated in the small closed volume of liquid. the fluid will rapidly heat up. an open discharge pump is operating with very poor efficiency with a risk of overloading the drive motor. 查看更多