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- Specific thrust is the thrust per unit air mass flowrate of a jet engine1. It can be calculated by dividing the thrust created by the engine by the mass flow rate of the air2. The formula for calculating specific thrust is Fs = F / m = (1 + mf) * Ve - V0, where Fs is the specific thrust, F is the net thrust, m is the air flow rate through the engine, mf is the fuel-air ratio, Ve is the nozzle exit velocity, and V0 is the free stream velocity3. The net thrust can be calculated using the formula Thrust F = mdot e * Ve - mdot 0 * V0 + (pe - p0) * Ae4.
Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.Specific thrust is the thrust per unit air mass flowrate of a jet engine (e.g. turbojet, turbofan, etc.) and can be calculated by the ratio of net thrust/total intake airflow.en.wikipedia.org/wiki/Specific_thrustThe specific thrust is calculated by dividing the thrust created by the engine by the mass flow rate of the air (meaning how much air is flowing through the engine in a given amount of time).howthingsfly.si.edu/ask-an-explainer/how-specific-t…Fs = F / m = (1 + mf) * Ve - V0 where Fs is the specific thrust, F is the net thrust, m is the air flow rate through the engine, mf is the fuel-air ratio, Ve is the nozzle exit velocity, and V0 is the free stream velocity.www.grc.nasa.gov/WWW/k-12/airplane/thsum.htmlThrust F is equal to the exit mass flow rate mdot e times the exit velocity Ve minus the free stream mass flow rate mdot 0 times the free stream velocity V0 plus the pressure difference across the engine (pe - p0) times the engine area Ae.www.grc.nasa.gov/www/k-12/airplane/specth.html - People also ask
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WEBMay 13, 2021 · Dividing the thrust required by the specific thrust tells us how much airflow our engine must produce and this determines the physical size of the engine. There is a similar efficiency parameter called the specific impulse which is used to characterize …
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- F = (m dot * V)e – (m dot * V)0 + (pe – p0) * Ae
Normally, the magnitude of the pressure-area term is small relative to the m dot-V terms. Let us look at this equation very carefully, for it has some interesting implications.
- F = (m dot * V)e – (m dot * V)0 + (pe – p0) * Ae
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WEBMay 13, 2021 · Why are we interested in specific impulse? First, it gives us a quick way to determine the thrust of a rocket, if we know the weight flow rate through the nozzle. Second, it is an indication of engine efficiency. …
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WEBTo find the thrust we need to find the ratio of the temperature at exit and the temperature at inlet. This is given by where is the stagnation temperature ratio across the combustor (burner).
WEB• Combine the definitions of the thrust coefficient and c* to express the thrust • Think of nozzle as a thrust amplifier and C F as the gain • Specific Impulse: Thrust per unit …
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WEBSpecific thrust is the thrust per unit air mass flowrate of a jet engine (e.g. turbojet, turbofan, etc.) and can be calculated by the ratio of net thrust/total intake airflow. Low …
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WEBMay 13, 2021 · On this slide we have gathered together all of the equations necessary to compute the theoretical thrust for a turbojet engine. The general thrust equation is given just below the graphic in the specific …
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WEBJul 20, 2023 · The thrust minus the drag of the aircraft is called the excess thrust and is also a vector quantity. Considering Newton’s second law of motion, mass m times …
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