gravity drag

短语

释义与例句

n.
  1. 1.

    The resistance felt by a vehicle ascending against the force of gravity; reduction in delta-v experienced as a result of the partial cancellation by gravity of the vertical component of the thrust applied by a vehicle's engine(s).

    不可数 航空 商务 工程

    For GTO missions, the launch vehicle follows a significantly shallower flightpath than for LEO missions, considerably reducing gravity drag at the expense of a significantly increased thermal loading and somewhat greater structural loads and aerodynamic drag.