WebJul 24, 2000 · Due to a wider throttling range and greater combustion stability, pintle injectors are specially suitable for the liquid rocket engines that require deep, fast, and safe throttling [1, 2], such as ... WebJul 1, 2024 · The cavitating pintle acts as a cavitating venturi in order to choke the mass flow and make it independent of downstream pressure. The pintle is used to change the venturi throat area and ...
Liquid-Propellant Rocket Engine Throttling: A
WebMay 23, 2012 · System analysis and controller design for the electric pump of a deep-throttling rocket engine Aerospace Science and Technology, Vol. 114 Generative … WebTo that end, an innovative injector element concept is proposed consisting of axial flow coaxial injectors with pintle center post. This element concept is expected to provide … convert pdf to original format
Numerical investigation of flame appearance and heat flux
WebDec 20, 2016 · Consequently, a 500 N combustor with a pintle injector was designed using this procedure. A control plan for the pintle-opening distance under lower throttling conditions was also obtained for designing a small combustor. Furthermore, the most sensitive parameters in the injector geometry were confirmed via sensitivity analysis. WebThe pintle injector is famous for its capability of deep throttling and low cost. However, the pintle injector has been seldom investigated. To get a good prediction of the spray angle of liquid-liquid pintle injectors, theoretical analysis, numerical simulations and experiments were conducted. Under the hypothesis of incompressible and inviscid flow, a spray angle … WebParticular mission characteristics in this context may dictate the use of propulsion systems with deep-throttling capability and able to deliver good performance over the entire thrust range. A well-known in-jector type with favourable combustion stability, heat transfer and performance characteristics is the pintle injector. This atomizer has falmouth tax bills