A5065858684- Advanced Combustion Engine Technologies
- Vehicle emissions and performance
- Catalytic Processes in Materials Science
- Biodiesel Production and Applications
- Combustion and flame dynamics
- Combustion and Detonation Processes
- Advanced Fiber Optic Sensors
- Optical Network Technologies
- Photonic and Optical Devices
- Heat transfer and supercritical fluids
- Non-Invasive Vital Sign Monitoring
- Catalysis and Oxidation Reactions
- Advanced Photonic Communication Systems
- Spectroscopy Techniques in Biomedical and Chemical Research
- Industrial Technology and Control Systems
- Advanced Fiber Laser Technologies
- Catalysts for Methane Reforming
- Laser Design and Applications
Hefei University of Technology
2019-2025
3 × coupler demodulation method is widely used in <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><tex-math notation="LaTeX">$\phi$</tex-math></inline-formula> -OTDR because of its large dynamic range, high response bandwidth and simple structure. However, when the undergoes a severe amplitude and/or phase mismatch practical applications, results would produce distortions may lead to nuisance alarms static conditions. For this...
In order to study the injection property of diesel engine fuel injector, three-dimension combustion model TBD620 is constructed on AVL Fire software platform. A numerical simulation two injectors’ process at different load conditions has been done. The influence and air mixing analyzed. results show that special injector a good performance low load, but standard more favorable for fully high load.
Laminar flame velocity is a crucial characterization parameter in fuel combustion progress. Investigating the properties of n-dodecane/ammonia mixture significant to improve efficiency and mitigate pollutant emissions from internal engines. This paper employs constant volume bomb high-speed ripple shadow camera technology explore influence equivalence ratios (0.8-1.4) ammonia energy shares (0%-40%) on laminar at an ambient temperature 400K pressure 1 bar. The results illuminated that...
In order to quantitatively analyze the effects of coupling port water injection (PWI) and exhaust gas recirculation (EGR) on spray evolution, combustion emissions for stoichiometric natural engines, five cases were tested validation model with 18%EGR (no water), 44mg 14.4% EGR, 110 mg 9% 176 3.6% 220 EGR). The results showed that above 82% evolved into film manifold evaporated in cylinder at intake valve closing (IVC). Then, charge density mass CH 4 entering simultaneously increased...
Internal combustion engines coupled with water injection could reduce the temperature and inhibit occurrence of knocking. In this paper, a full-size three-dimensional chamber was constructed validated according to real natural gas engines. Then, effects time pressure on evolution water, characteristics NOx emissions premixed stoichiometric were discussed. The results showed that mass entering cylinder decreases due decrease manifold mean velocity by sweeping from 350°CA BTDC 210°CA BTDC. As...
In the past decade, an increasing number of studies double-pulse φ-OTDR systems have been reported, but so far, there are no specifically analyzing influences double pulses on system performance. this paper, we construct a theoretical model system, analyze interference process theoretically, and make conjectures spatial resolution demodulation range. On basis, build experimental setup based Sagnac balanced interferometer. The feasibility proposed theory is verified by experiments altering...