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A precooled jet engine is a concept that enables jet engines with turbomachinery, as opposed to ramjets, to be used at high speeds.Precooling restores some or all of the performance degradation of the engine compressor (by preventing rotating stall/choking/reduced flow), as well as that of the complete gas generator (by maintaining a significant combustor temperature rise within a fixed ...
The clay "head/bowl" is known as a "clay pot". The hoses are called "pipes" and the air release valve is known as a "clutch". [citation needed] The windcover (which is considered optional for outside use [citation needed]) is known as an "As-jas", which directly translates from Afrikaans to English as an "ash-jacket". Also, making/preparing the ...
Even safe chemicals commonly found in household materials — such as titanium dioxide in paint or copper in pipes — can form compounds that are more reactive after a fire, said Mohammed Baalousha, a professor of environmental health sciences at University of South Carolina, who studies ash samples to better understand what materials are ...
The precooler adds mass and complexity to the system and is the most aggressive and difficult part of the design, but the mass of this heat exchanger is an order of magnitude lower than has been achieved previously. The experimental device achieved heat exchange of almost 1 GW/m 3. The losses from carrying the added weight of systems shut down ...
Fire crews filled sandbags for communities, while county workers installed barriers and cleared drainage pipes and basins. Officials cautioned that ash in recent burn zones was a toxic mix of incinerated cars, electronics, batteries, building materials, paints, furniture and other household items. It contains pesticides, asbestos, plastics and ...
The boiler flue gas contains many dust particles (due to high ash content) not contributing towards combustion, such as silica, which cause abrasive wear of the baskets, and may also contain corrosive gases depending on the composition of the fuel. For example, Indian coals generally result in high levels of ash and silica in the flue gas. The ...
When he saw fresh smoke and ash in Temescal Canyon, to the east, he knew it was time to go. At 3:42 p.m., he pulled away from Ingrid's house. She sat in the front seat.
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