Sentence examples for engines are operated from inspiring English sources
Frequently aircraft, tank and helicopter gas turbine engines are operated in a desert environment where the gas turbine compressor rotor blades and vanes are exposed to erosive media such as sand and dust.
The electricity grid is in disrepair, most of the parks are closed and some fire-station chiefs complain that their engines are operating on "bubble gum and duct tape".
Through genetic algorithms, the optimal system structures, operation modes and power management strategies are found to ensure that both engines are operating within the most efficient range.
The test engines were operated under the transient federal test procedure and samples were collected with a source dilution sampling system designed to stimulate atmospheric cooling and dilution conditions.
The engines were operated according to the 20-min US EPA Heavy-Duty Engine Dynamometer Schedule (40 US CFR, Part 86).
When engines were operated using an urban driving cycle that maximized the percentage of hydrocarbons emitted, the concentration of semivolatile aromatics, esters, paraffins, oxygenated aromatics, naphthalenes, and acids declined as the biodiesel ratio was increased (Ballesteros et al., 2008).
One aviation official said that the way the plane had veered off the runway suggested several possibilities: that engines were operating at different thrust levels; that brakes on the two main landing gears were operating with different effectiveness; or that thrust reversers on the engine had not deployed symmetrically.
Russian media reports the Russian manufacturer said that their engines were operating properly.
Observers at the aerodrome reported that the takeoff was normal, and both engines were operating perfectly.
Within a year 27 Columbian engines were operating or under construction in applications ranging from sawmilling and grain milling to the manufacturing of paper, wire and wool.
Investigators believed this might explain why all engines were operating normally during the takeoff but at least one engine began to run roughly around the time the engine boost pumps would be turned off.
