Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Liuhao Ma"'
Publikováno v:
Case Studies in Thermal Engineering, Vol 28, Iss , Pp 101575- (2021)
Multispectral infrared absorption spectroscopy was developed for in situ, non-intrusive and quantitative measurements of temperature distributions in laminar premixed ethylene/air sooting flames. Tunable distributed feedback (DFB) lasers near 1343 nm
Externí odkaz:
https://doaj.org/article/a94d8680fe57463784791ba7ed46dc0a
Publikováno v:
Frontiers in Mechanical Engineering, Vol 7 (2021)
A cost-effective and straightforward light extinction method has been extensively used for measurement of soot volume fraction (SVF) in sooting flames. The traditional pointwise measurement with translation stage suffers from relatively time-consumin
Externí odkaz:
https://doaj.org/article/8134101019dd47bf96287e96a4fa7e43
Autor:
Wei Duan, Fuwu Yan, Yu Wang, Hui Zhang, Liuhao Ma, Daxin Wen, Wei Wang, Gang Sheng, Qiang Wang
Publikováno v:
Sensors, Vol 22, Iss 2, p 556 (2022)
A compact, sensitive laser-based absorption sensor for multispecies monitoring of methane (CH4), acetylene (C2H2) and ammonia (NH3) was developed using a compact multipass gas cell. The gas cell is 8.8 cm long and has an effective optical path length
Externí odkaz:
https://doaj.org/article/94a7f825059e4e9c8924f5afe591e50d
Publikováno v:
Measurement Science and Technology.
Ammonia has been recently recognized as promising carbon-free fuel towards decarbonizing both the power and industrial heating sectors. However, fuel slip during ammonia combustion is of high concern because of the low reactivity and high toxicity of
Publikováno v:
Microwave and Optical Technology Letters. 65:1215-1222
Publikováno v:
Energetic Materials Frontiers. 3:10-17
Energetic materials have extremely high volumetric and specific energy densities, making them attractive and important in combustion systems. To improve their combustion performance, reliable temperature acquirement method is highly demanded. A laser
Publikováno v:
2022 IEEE International Instrumentation and Measurement Technology Conference (I2MTC).
Publikováno v:
Combustion Science and Technology. 194:2523-2538
Dual-comb spectroscopy (DCS) has emerged as an important new technique for high-resolution molecular spectroscopy. However, this powerful tool has not been widely utilized in combustion diagnostics...
Publikováno v:
Proceedings of the Combustion Institute. 38:1745-1752
The pyrolysis of nitromethane, CH3NO2, was studied at ∼3.5 atm and 1013 K–1418 K in a heated shock tube by measuring the key product nitric oxide (NO) using mid-infrared laser absorption spectroscopy. We used a quantum cascade laser (QCL) at 5.26
Publikováno v:
Optics Letters. 48:980
Spectral soot emission (SSE) in the visible spectrum is a popular technique for non-intrusive thermometry in sooting flames. However, its accuracy is restricted by uncertainties in the wavelength dependence of soot optical properties. We propose a no