![]() ![]() Exhaust gas velocity Combustion Chamber And Rocket Nozzle The faster the engine pushes the exhaust gas out of the nozzle, the more efficient this engine is. This velocity not only correlates to the thrust that the vehicle generates, but also correlates with the efficiency of the engine. The more thrust that the engine produces, the more payload the rocket can deliver.Įngineers refer to the speed of the nozzle exhaust as exhaust gas velocity. The faster and more matter that the engine expels, the greater the efficiency and the higher the thrust. The result is that the whole vehicle propels itself in the opposite direction. So, an engine expels some mass out of one end. For every action, there is an equal and opposite reaction. Newton’s 3rd law of motion dictates how a rocket engine functions. We will produce even more articles and videos about how rocket engines work in the future. ![]() It provides a great base knowledge of how rocket engines work, which will help you to better understand the following. We mention some of those cooling principles discussed in that article/video. Please view our previous article or video about why rocket engines don’t melt before reading this article. This article is also available in the form of a video on our YouTube channel Everyday Astronaut. Some of the following will sound familiar if you’ve read or have seen our article and video about SpaceX’ Raptor engine, but this time the whole article and the video will only focus on engine cycle types. They all operate under the same basic principles but employ different techniques to reach their power and/or efficiency goal. Car engine types include 2-stroke, 2 cylinder, or 4-stroke, 4 cylinder, supercharged, turbocharged, etc. We can compare rocket engine cycle types to internal combustion engine types, in one sense. This article will showcase all prominent types of engine cycles and describe and picture them in detail. The types of power cycle range from very simple cycle types like cold gas thrusters, to more and more complicated ones like the famous full-flow staged combustion. In this article we discuss the many rocket engine cycles that engineers have used. Rocket engines are incredibly complex machines, pushing the boundaries of materials science and human ingenuity, with a multitude of different engine cycles that characterize the engine. ![]()
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