| 释义 |
propulsor Aeronaut.|prəˈpʌlsə(r)|
[f. L. prōpuls-, ppl. stem of prōpellĕre to propel, + -or.]
A propeller mounted in a short duct or cylinder which can usually be swivelled to vary the direction of thrust, e.g. on an airship.
1975SAE Preprint No. 750534 in Engin. Index Ann. (1976) LXXIV. 180/3 The paper reiterates the case for the Ducted Propulsor, the idea of which was introduced some time ago. 1977Phoenix (Airship Assoc.) Dec. 9/2 The propulsion system is also unique, combining vectored thrust..with ducted propulsors (giving increased thrust with reduced noise and size). 1979Flight Internat. CXV. 543/2 The ducted propulsors are made by Vickers-Slingsby to Aerospace Developments' own design. 1983Airship Sept. 5/2 The two engines were again started, following a forward tilt of the ducted propulsors to flood the gearboxes with oil. |