propulsion system


Also found in: Dictionary, Thesaurus, Wikipedia.
Related to propulsion system: propeller

propulsion system

[prə′pəl·shən ‚sis·təm]
(mechanical engineering)
For a vehicle moving in a fluid medium, such as an airplane or ship, a system that produces a required change in momentum in the vehicle by changing the velocity of the air or water passing through the propulsive device or engine; in the case of a rocket-propelled vehicle operating without a fluid medium, the required momentum change is produced by using up some of the propulsive device's own mass, called the propellant.
References in periodicals archive ?
ABB has delivered electric propulsion systems to over 90 icebreakers or ice-going vessels with a propulsion power of up to 45 MW.
With this paper, it was expected that the water jet propulsion system could be used as an alternative for patrol boats to be built and operated in accordance with their duties.
The technology has zero erosion characteristics, thus, increasing the on-orbit lifespan required for a propulsion system.
"The first flight of our propulsion system is a milestone on the road to electrification of aviation," said Siemens chief technology officer Siegfried Russwurm.
The new propulsion system enables the Tachibana-Maru to achieve 15.6% higher fuel efficiency than the "Salvia-Maru," a cargo-passenger ship built by MHI and currently in service at Tokai Kisen.
According to Russia\'92s nuclear power agency Rosatom, the development and construction of a nuclear propulsion system for spacecraft will cost over 7.2 billion rubles ($247 mln).
The company said its half-scale model will be located at Aircelle's parent company Safran's Paris Air Show exhibit at Le Bourget Airport and will demonstrate features of its integrated propulsion system that will reduce fuel consumption, improve performance and enhance maintenance for jet engine applications on commercial airliners.
Professor David Southwood, the space agency's director of science and robotic exploration, said: "An advanced electric propulsion system is an essential part of meeting the challenge."
Presentation of electric propulsion system suitable for testing:
ENERGY RESOURCE-17 January 2007-UQM Technologies Receives $9.25 Million Order for Propulsion Systems to Power All-Electric SUT(C)2007 JeraOne - http://www.jeraone.com
Workshop topics included multi-functionality in the design and operation of space propulsion systems, and advances in combustion stability for liquid rocket engines.
1," which is equipped with a fuel cell propulsion system certified by engineering and inspection company Germanischer Lloyd (GL).