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Yuhan Huang
University of Technology, Sydney
29Publications
8H-index
192Citations
Publications 29
Newest
Published on 2019in Environmental Research5.03
Bruce Organ3
Estimated H-index: 3
(UTS: University of Technology, Sydney),
Yuhan Huang8
Estimated H-index: 8
(UTS: University of Technology, Sydney)
+ 4 AuthorsGuang Hong15
Estimated H-index: 15
(UTS: University of Technology, Sydney)
Abstract Vehicle emissions are a major source of air pollution in Hong Kong affecting human health. A ‘strengthened emissions control of gasoline and liquefied petroleum gas (LPG) vehicles’ programme has been operating in Hong Kong since September 2014 utilising remote sensing (RS) technology. RS has provided measurement data to successfully identify high emitting gasoline and LPG vehicles which then need to be repaired or removed from the on-road vehicle fleet. This paper aims to evaluate the e...
Published on 2019in Air Quality, Atmosphere & Health2.30
Bei Wang10
Estimated H-index: 10
(Technological and Higher Education Institute of Hong Kong),
Yik-Sze Lau (CUHK: The Chinese University of Hong Kong)+ 3 AuthorsKin-Fai Ho26
Estimated H-index: 26
(CUHK: The Chinese University of Hong Kong)
This study presents a detailed investigation of diesel vehicle emissions utilizing chassis dynamometer testing. The recruited vehicle fleet consists of 15 in-use diesel vehicles, spanning a wide range of emission standards, engine sizes, weight, model year, etc. The real-time emission concentrations of nitrogen oxides (NOx), total hydrocarbons (THC), carbon monoxide (CO) and carbon dioxide (CO2), and the mass of particulate matter (PM) collected on filters are measured and used to calculate the ...
Published on Sep 1, 2019in Environmental Pollution5.71
Yuhan Huang8
Estimated H-index: 8
,
Bruce Organ3
Estimated H-index: 3
+ 3 AuthorsEdward F.C. Chan3
Estimated H-index: 3
Published on 2019in Energy5.54
Yuan Zhuang1
Estimated H-index: 1
(Hefei University of Technology),
Guodong Zhu (Hefei University of Technology)+ 2 AuthorsYuhan Huang8
Estimated H-index: 8
(UTS: University of Technology, Sydney)
Abstract Experiments and simulations were performed to investigate the effect of ethanol direct injection plus gasoline port injection (EDI + GPI) on engine performance. Gasoline direct injection plus GPI (GDI + GPI) was also tested as a reference to EDI + GPI. The experimental results showed that volumetric efficiency increased with the raise of direct injection ratio in both EDI + GPI and GDI + GPI conditions. The volumetric efficiency and IMEP of EDI + GPI were greater than that of GDI + GPI,...
Published on Apr 1, 2019in Science of The Total Environment5.59
Yuhan Huang8
Estimated H-index: 8
(UTS: University of Technology, Sydney),
Nic C. Surawski4
Estimated H-index: 4
(UTS: University of Technology, Sydney)
+ 3 AuthorsEdward F.C. Chan3
Estimated H-index: 3
(UTS: University of Technology, Sydney)
Abstract Hybrid electric vehicles (HEVs) are perceived to be more energy efficient and less polluting than conventional internal combustion engine (ICE) vehicles. However, increasing evidence has shown that real-driving emissions (RDE) could be much higher than laboratory type approval limits and the advantages of HEVs over their conventional ICE counterparts under real-driving conditions have not been studied extensively. Therefore, this study was conducted to evaluate the real-driving fuel con...
Published on Mar 1, 2019in Energy Conversion and Management7.18
Yuhan Huang8
Estimated H-index: 8
(UTS: University of Technology, Sydney),
Elvin C.Y. Ng1
Estimated H-index: 1
(UTS: University of Technology, Sydney)
+ 6 AuthorsEdward F.C. Chan3
Estimated H-index: 3
(UTS: University of Technology, Sydney)
Abstract Although new vehicles are designed to comply with specific emission regulations, their in-service performance would not necessarily achieve them due to wear-and-tear and improper maintenance, as well as tampering or failure of engine control and exhaust after-treatment systems. In addition, there is a lack of knowledge on how significantly these potential malfunctions affect vehicle performance. This study was therefore conducted to simulate the effect of various engine malfunctions on ...
Published on Mar 1, 2019in Fuel5.13
N Al-Muhsen1
Estimated H-index: 1
(UTS: University of Technology, Sydney),
Yuhan Huang8
Estimated H-index: 8
(UTS: University of Technology, Sydney),
Guang Hong15
Estimated H-index: 15
(UTS: University of Technology, Sydney)
Abstract Dual injection of ethanol fuel (DualEI) has been in development. DualEI has the potential in increasing the compression ratio and thermal efficiency of spark ignition engines by taking the advantages of ethanol fuel properties and the direct injection. This paper reports an experimental investigation of the effect of direct injection (DI) timing associated with spark timing on the performance of a small DualEI engine. Experiments were conducted with fixed port injection timing and varie...
Published on Dec 1, 2018in Environmental Pollution5.71
Yuhan Huang8
Estimated H-index: 8
(UTS: University of Technology, Sydney),
Yat Shing Yam3
Estimated H-index: 3
(Hong Kong Environmental Protection Department)
+ 5 AuthorsGuang Hong15
Estimated H-index: 15
(UTS: University of Technology, Sydney)
Abstract Remote sensing provides a rapid detection of vehicle emissions under real driving condition. Remote sensing studies showed that diesel nitrogen oxides emissions changed little or were even increasing in recent years despite the tightened emission standards. To more accurately and fairly evaluate the emission trends, it is hypothesized that analysis should be detailed for individual vehicle models as each model adopted different emissions control technologies and retrofitted the engine/v...
Published on Nov 1, 2018in Fuel5.13
Zhaowen Wang6
Estimated H-index: 6
(HUST: Huazhong University of Science and Technology),
Shang Wu2
Estimated H-index: 2
(HUST: Huazhong University of Science and Technology)
+ 4 AuthorsRonghua Huang11
Estimated H-index: 11
(HUST: Huazhong University of Science and Technology)
Abstract This paper explored the spray and combustion characteristics of ethanol-diesel (E10), water-emulsified diesel (W10) and neat diesel (D100), especially micro-explosion of E10 and W10. The experiments were conducted in a constant volume combustion chamber under cold (383 K, 0% O 2 ), evaporating (900 K, 0% O 2 ) and combustion (900 K, 21% O 2 ) conditions. Results showed that the spray expansion capacities of E10 and W10 under cold condition were much weaker than that of D100 due to the l...
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