Web20 dic 2011 · The TDLAS system measures velocity, temperature, and water vapor partial pressure at three different locations of the scramjet: the inlet, the combustion region near the flame stabilization cavity, and the exit of the combustor. Web5 set 2015 · One is a turbulent boundary layer flow without shock impingement where the effects of the slot angle are discussed, and the other is shock wave boundary layer interactions where the effects of slot angle and slot location relative to shock impingement point are surveyed.
Passive Optical Combustion Sensors for Scramjet Engine Control
Web5 ago 2024 · TDLAS is used to determine the effective working time of the direct-connected hydrogen-oxygen detonation driven test platform. • The pulsation frequency of high Mach number flame is investigated by POD analysis. Keywords High mach number scramjet Circular cross-section TDLAS Multi-view simultaneous imaging POD Introduction Web20 ott 2014 · High-enthalpy scramjet conditions equivalent to Mach 10 flight were generated with a reflected shock tunnel. The sensor hardware development and optical engineering … rowcliffe street
TDLAS-based Measurements of Temperature, Pressure, and
Web20 ott 2014 · A two-color tunable diode laser sensor for detection of H 2 O absorption near 1.4 μ m was used to simultaneously determine temperature, H 2 O column density, and velocity in a direct-connect scramjet combustor. Web24 mar 2015 · The TDLAS principle offers the possibility to measure absolute gas species concentration in harsh environments (see [ 16, 25 ]), just like NH 3 in hot exhaust gases. In situ application and fast response times allow for direct measurement of NH 3 even in non-steady engine states. Web25 feb 2024 · A data-driven model is proposed for the prediction of the velocity field in a scramjet isolator by convolutional neural networks (CNNs) using measurements of the pressure on the isolator. Numerical simulations of flow in a three-dimensional scramjet isolator at various Mach numbers and backpressures are carried out to establish the … rowcliffes volvo