Generally, in combustion processes, such as in engines of motor vehicles, NO2 and NO are primarily formed and emitted directly.
Electrical rotors are usually used in rotating machinery such as in ship engine pods.
Ballard has suggested that skeletons may remain deep within Titanics hull, such as in the engine rooms or third-class cabins.
Black carbon, or soot, is emitted from inefficient burning such as in diesel engines or from the burning of crops.
There are numerous applications for gas turbine discs in the aerospace industry such as in turbojet engines.
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Whereas the mass concentrations of PM with diameter below 10 μm (PM10) and 2.5 μm (PM2.5) are under regulation, there are currently no guideline values for ultrafine particles (UFP) with diameter below 100 nm, mostly formed during combustion processes, such as in diesel engines or burning candles [ 7, 8].
An alloy used for liquid rocket thruster nozzles, such as in the main engine of the Apollo Lunar Modules, is the niobium alloy C-103, which consists of 89% niobium, 10% hafnium and 1% titanium.
Theoretical residual stress predictions are verified experimentally with X-ray diffraction measurements on the high strength engineering material of Waspaloy that is used critical parts such as in aircraft jet engines.
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Gas turbine discs have numerous applications in the aerospace industry, such as in liquid rocket engines.
