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The exoskeletal engine (ESE) is a concept in turbomachinery design. Current gas turbine engines have central rotating shafts and fan-discs and are constructed mostly from heavy metals. They require lubricated bearings and need extensive cooling for hot components.
They are currently used in many engine oils and, more recently, in gear oils. [1] They reduce friction by forming two-dimensional molybdenum disulphide layers on rubbing surfaces. [4] Functionalized polymers, which can be tailored to adsorb specifically on polar surfaces, have been shown to markedly reduce friction and wear. [5]
This significantly reduces engine performance, since the circular piston rings are unable to properly seal against the oval-shaped cylinder walls. The amount of sideways force is proportional to the angle of the connecting rod, therefore longer connecting rods will reduce the amount of sideways force and engine wear.
Tribology is the science and engineering of understanding friction, lubrication and wear phenomena for interacting surfaces in relative motion.It is highly interdisciplinary, drawing on many academic fields, including physics, chemistry, materials science, mathematics, biology and engineering. [1]
Team USA swimmers Abbey Weitzeil and Torri Huske went to get "the famous, infamous, chocolate muffins" and documented their experience on Weitzeil's TikTok account. "On first look, glance or ...
The 3.0-litre design, known as the Gen III, superseded the 2.7-litre, and uses turbochargers on a series-sequential system and has an uprated common rail injection system incorporating fuel injectors with piezo crystals fitted nearer to the tip to reduce engine noise and a metering mode to reduce oversupplying fuel, decreasing fuel consumption ...
Elon Musk's government efficiency panel wants "high IQ" employees and plans weekly livestreams, according to X posts about President-elect Donald Trump's initiative to streamline the U.S. bureaucracy.
Late Tuesday night, the athletic directors at Iowa State and SMU got into a social media scrap centering on the other school’s comparative strength of schedule.