Specific speed Ns, is used to characterize turbomachinery speed. Common commercial and industrial practices use dimensioned versions which are of equal...

weight. If mass is used, specific impulse is an impulse per unit of mass, which dimensional analysis shows to have units of speed, specifically the effective...

millilitre Specific speed, unitless figure of merit[clarification needed] used to classify pump impellers (pump-specific) and turbines (turbine-specific). Ratio...

The specific speed is also the main criteria for matching a specific hydro site with the correct turbine type. The specific speed is the speed with which...

specific speed. This number describes the speed of the turbine at its maximum efficiency with respect to the power and flow rate. The specific speed is...

established for driving at a measured speed within 3 to 10 percent over the speed limit, depending on the specific error margin of the radar. Built-up areas:...

low flow and/or relatively high pressure). The specific speed is the main criterion for matching a specific hydro-electric site with the optimal turbine...

5–10. The hypersonic regime can also be alternatively defined as speeds where specific heat capacity changes with the temperature of the flow as kinetic...

Speed limits in Germany (German: Geschwindigkeitsbegrenzung) are set by the federal government. All limits are multiples of 10 km/h. There are two default...

change flow properties. Open impellers operate on a narrow range of specific speed. Open impellers are usually faster and easier to maintain.  For small...

the Basic Speed Law or rule (and is subject to enforcement as such) or is based on a maximum g-force exerted at a specific speed. Advisory speed limits are...

instantaneous orbital speed at a given point of the orbit can be computed from its distance to the central body and the object's specific orbital energy, sometimes...

safety, aircraft performance, or both. The actual speeds represented by these designators are specific to a particular model of aircraft. They are expressed...

grass. Most airports do not have a specific speed limit for taxiing (though some do). There is a general rule on safe speed based on obstacles. Operators and...

rates (Q). This implies that the specific speed (Ns) on which a Kaplan turbine functions is high, as specific speed (Nsp) is directly proportional to...

the square root of two times the speed of the Earth. This comes to 42 km/s, or a specific energy of 882 MJ/kg. The speed relative to the Earth may be more...

The following is a list of speed records for various types of vehicles. This list only presents the single greatest speed achieved in each broad record...

doesn't need an airtight housing like the Francis. Third, it has higher specific speed and can handle a greater flow than the same diameter Pelton wheel, leading...

facie speed limit is a default speed limit that applies when no other specific speed limit is posted, and may be exceeded by a driver; however, if the driver...

Games 500 meters Men". SpeedSkatingStats.com. Archived from the original on 2014-02-26. Retrieved 2012-09-18. Specific "Speed skating". International...

is a function of pressure v {\displaystyle v} is the flow speed γ is the ratio of the specific heats of the fluid The identifying component of a centrifugal...

needs to spin at a constant specific speed (typically 6,000 RPM for air-cooled generators). Since the jet engine gearbox speed varies from idle to full power...

equal to the speed of sound. At Mach 0.65, u is 65% of the speed of sound (subsonic), and, at Mach 1.35, u is 35% faster than the speed of sound (supersonic)...

The speed of sound is the distance travelled per unit of time by a sound wave as it propagates through an elastic medium. More simply, the speed of sound...

augmenter duct, the more drag it produces, and it is only effective within specific speed ranges. Valved pulsejet engines use a mechanical valve to control the...

Need for Speed: Most Wanted is a 2005 racing video game, and the ninth installment in the Need for Speed series. Developed and published by Electronic...

different speeds.[citation needed] There also exists power-specific fuel consumption, which equals the thrust-specific fuel consumption divided by speed. It...

its dimensions. Eventually, the stretched sheet is pulled off at a specific speed by a second set of rollers. At the delivery end, the edges are released...

mechanism. The frames are later played back in a ciné projector at a specific speed, called the frame rate (number of frames per second). While viewing...

impeller changes the fundamental shape of the impeller (increasing the specific speed), the relationships shown in Law 2 cannot be utilized in this scenario...