Sentence examples for propulsion from inspiring English sources
The word "propulsion" is correct and can be used in written English
You can use "propulsion" to refer to the force used to move an object or body forward. Example: The rocket uses propulsion to accelerate into space.
noun
Force causing movement.
"I've always been fascinated by propulsion and by how things work," he said.
John Olds, boss of Generation Orbit, says that as constellations of nanosats increase, placing them in a precise orbit will be critical in keeping small-satellite networks operating.The nanosat warsNanosats also face two other limiting factors: communications and propulsion.
Considered an entirely new class of vessel, it would rely on superconducting machinery for propulsion and power generation.
More development in communications equipment and investment in ground stations would improve things.The other bugbear, propulsion, is harder to solve.
Dr Longmier says the system could allow a constellation of satellites to remain in the correct position relative to one another, move satellites to polar orbit from less-expensive launch insertions or increase an orbit.Surrey Satellite Technology's STRaND-1 also contained a couple of experimental propulsion systems.
As Dr Ristroph and Dr Childress note in their paper, this is not the first time flight engineers have used an aquatic, rather than an aerial model, for only waterborne creatures (squid, for example) use jet propulsion.
And some might travel far beyond Earth.Benjamin Longmier of the University of Michigan and founder of Aether Industries, which makes equipment for high-altitude research, has begun production of a nanosat propulsion system based on his previous work at the Johnson Space Centre in Texas.
Meanwhile, the company that pioneered much of today's electric-vehicle technology, AC Propulsion of San Dimas, California, has steered clear of permanent-magnet motors.
Michael Watkins, mission manager for Curiosity (formally, the Mars Science Laboratory) at NASA's Jet Propulsion Laboratory (JPL), explains that this system has extremely low capacity and is designed for receiving (and sometimes acknowledging) terse instructions to carry out a day's tasks.
This week, in Nature, Eugene Serabyn of the Jet Propulsion Laboratory in California and his colleagues describe a stunning implementation of what is known as an optical vortex coronagraph.
To ensure apples are compared with apples, the other side of the equation has to take into account all the energy wasted in refining and transporting the petrol and pumping it into a car.Such an analysis has actually been done by engineers at AC Propulsion, a firm in the Los Angeles area that makes parts for electric cars.
