A mid-infrared laser-based absorption sensor is developed for in-situ and simultaneous
detection of ammonia, water and temperature for selective catalytic reduction (SCR) exhaust …

Multi-wavelength laser absorption spectroscopy has the advantages of superior sensitivity,
accuracy, and robustness for gas sensing applications, offering an opportunity for the …

Numerical simulation based on the discrete phase model and dynamic mesh model can
more accurately simulate the working process for hybrid rockets, including the motion and …

摘要针对燃烧诊断在2~ 3 μm 波长的光谱测量需求, 设计并搭建了基于反谐振空芯光纤的可调谐
半导体吸收光谱(TDLAS) 测量装置, 开展了高温水汽在2. 5 μm 波长吸收光谱的定标与测量研究 …

We report the influence of absorption line selection on the tomographic results for high-
temperature flames by numerical and experimental methods. Different combinations of …

The combustion of an oxygen/paraffin hybrid rocket motor was experimentally characterized.
Firing tests were conducted for different oxidizer mass fluxes ranging from 2.47 to 3.40 g/(cm …

This study investigates the end-burning hybrid rocket motors with polyethylene fuel by the
numerical simulation and experiment. Based on computational fluid dynamics, a numerical …

We demonstrate a broadband mid-infrared frequency comb spectrometer utilizing virtually
imaged phased array (VIPA) with the potential of quantitative, fast thermometry over large …

A non-intrusive method for determining the time-resolved fuel mass flow rate in a hybrid
rocket engine is proposed based on tunable diode laser absorption spectroscopy (TDLAS) …

We present the first demonstration of heterodyne phase-sensitive dispersion spectroscopy
(HPSDS) for in situ, non-intrusive and quantitative CO2 concentration measurements in …