The jet erosion test (JET), or jet index test, is a method used in geotechnical engineering to quantify the resistance of a soil to erosion. The test can...

The hole erosion test (HET) is a method used in geotechnical engineering to quantify the resistance of a soil to erosion, and is specifically relevant...

water erosion, glacial erosion, snow erosion, wind (aeolian) erosion, zoogenic erosion and anthropogenic erosion such as tillage erosion. Soil erosion may...

concentrated leak erosion can be estimated using laboratory testing, such as the hole erosion test (HET) or the jet erosion test (JET). Backward erosion often occurs...

An airbreathing jet engine (or ducted jet engine) is a jet engine in which the exhaust gas which supplies jet propulsion is atmospheric air, which is...

using a hole erosion test or a jet erosion test. An alternative model for bedrock erosion is the unit stream power, which assumes that erosion rates are...

facility used for testing aircraft systems, including propulsion, mechanics, electronics, pneumatics, and others. Installed or uninstalled jet engines can be...

liquid impingement erosion (LIE). The emphasis of discrete water droplets serves to distinguish the WDE problem from liquid jet erosion and cavitation. The...

melting point, but unless actively cooled, jet vanes will undergo significant erosion. This, combined with jet vanes' inefficiency, mostly precludes their...

high-pressure water for erosion dates back as far as the mid-1800s with hydraulic mining, it was not until the 1930s that narrow jets of water started to...

1 was the first British fixed-wing vertical take-off and landing (VTOL) jet aircraft. It was developed by Short Brothers. It was powered by an arrangement...

thrusters suffer from strong erosion of the ceramic discharge chamber by impact of energetic ions: a test reported in 2010 showed erosion of around 1 mm per hundred...

investigate the deterioration ("erosion") of ship propellers. The erosion was attributed primarily to cavitation. See: "Erosion of propellers." Propeller Sub-Committee...

The Dornier Do 31 is an experimental, jet-propelled, vertical take-off and landing (VTOL) cargo aircraft that was designed and produced by West German...

Retrieved 24 July 2012. "Plasma Engine Passes Initial Test". BBC News. 14 December 2005. "Plasma Jet Engines That Could Take You from the Ground to Space"...

documentation of atmospheric nuclear tests. When testing went underground, deep layers of sedimentary soil from the erosion of the surrounding mountains allowed...

The Lockheed Martin/Boeing F-22 Raptor is an American twin-engine, jet-powered, all-weather, supersonic stealth fighter aircraft. As a product of the...

number of oil additives dissolved into it to inhibit corrosion and prevent erosion damage to servo valves. It also includes a purple or green dye to ease...

eventually growing up to 1.5 m (4 ft 11 in) in length. Dorsally, they may be jet black, jet black with lighter crossbands, grey with black flecks forming faint...

A jet engine converts fuel into thrust. One key metric of performance is the thermal efficiency; how much of the chemical energy (fuel) is turned into...

recover normal operation. Compressor stalls were a common problem on early jet engines with simple aerodynamics and manual or mechanical fuel control units...

has been shown to dramatically reduce discharge channel wall erosion, pole piece erosion is still a concern. As an alternative, an unconventional Hall thruster...

2018 SpiceJet completed the first successful test flight by an Indian airline which used jatropha based biofuel. The ratio of conventional jet fuel to jatropha...

on Mars as part of NASA's Mars 2020 mission. It was manufactured by the Jet Propulsion Laboratory and launched on July 30, 2020, at 11:50 UTC. Confirmation...

to have improved erosion resistance at all angles of attack through the process of laser peening. It is important to minimize erosion in order to maintain...

generation capability and the upgrade-driven increase in ship weight and erosion of the center-of-gravity margin needed to maintain ship stability." In...

injectors began as early laboratory experimental apparatuses, used by Caltech's Jet Propulsion Laboratory in the mid-1950s, to study the mixing and combustion...

often was called, were developed in the 1960s, at Bell Laboratories, the Jet Propulsion Laboratory, Massachusetts Institute of Technology, University...

instituted by the Port Authority effectively prohibited jets from landing at the city's airports. After tests demonstrating that it was no noisier than the loudest...

structures, the nuclear fuel, and the fuel cladding. [citation needed] Erosion is also a concern, especially the loss of fuel and associated releases...