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Real-world fuel consumption of light-duty passenger vehicles using on-board diagnostic (OBD) systems

Xuan Zheng, Sheng Lu, Liuhanzi Yang, Min Yan, Guangyi Xu, Xiaomeng Wu, Lixin Fu, Ye Wu

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 2, doi: 10.1007/s11783-019-1212-6

Abstract: An increasing discrepancy between real-world and type-approval fuel consumption for light-duty passenger

Keywords： Fuel consumption     Light-duty passenger vehicles     On-board diagnostic systems    

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Real drive cycles analysis by ordered power methodology applied to fuel consumption, CO

Pol Masclans Abelló, Vicente Medina Iglesias, M. Antonia de los Santos López, Jesús Álvarez-Flórez

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1296-z

Abstract: Abstract • New method named CAbOP is presented based on ordering data according to power. • Three emission models are used and their emission results compared. • Emissions data are analyzed in real driving cycles under CAbOP criteria. • Methodology to collect data and reconstruct lost data in real urban driving cycles. In this work three fuel consumption and exhaust emission models, ADVISOR, VT-MICRO and the European Environmental Agency Emission factors, have been used to obtain fuel consumption (FC) and exhaust emissions. These models have been used at micro-scale, using the two signal treatment methods presented. The manuscript presents: 1) a methodology to collect data in real urban driving cycles, 2) an estimation of FC and tailpipe emissions using some available models in literature, and 3) a novel analysis of the results based on delivered wheel power. The results include Fuel Consumption (FC), CO2, NOx and PM10 emissions, which are derived from the three simulators. In the first part of the paper we present a new procedure for incomplete drive cycle data treatment, which is necessary for real drive cycle acquisition in high density cities. Then the models are used to obtain second by second FC and exhaust emissions. Finally, a new methodology named Cycle Analysis by Ordered Power (CAbOP) is presented and used to compare the results. This method consists in the re-ordering of time dependant data, considering the wheel mechanical power domain instead of the standard time domain. This new strategy allows the 5 situations in drive cycles to be clearly visualized: hard breaking zone, slowdowns, idle or stop zone, sustained speed zone and acceleration zone. The complete methodology is applied in two real drive cycles surveyed in Barcelona (Spain) and the results are compared with a standardized WLTC urban cycle.

Keywords： cycle     NOx/PM10/CO2 emissions     Wheel mechanical power domain     WorldwideHarmonized Light-Duty Vehicles Test Cycle (WLTC)    

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Real-Time Black Carbon Emissions from Light-Duty Passenger Vehicles Using a Portable Emissions Measurement

Xuan Zheng,Liqiang He,Xiaoyi He,Shaojun Zhang,Yihuan Cao,Jiming Hao,Ye Wu,

Engineering 2022, Volume 16, Issue 9,   Pages 73-81 doi: 10.1016/j.eng.2020.11.009

Abstract: However, there are major uncertainties in the estimates of the BC emissions from on-road light-duty passenger

Keywords： Black carbon     Light-duty gasoline vehicles     Portable emissions measurement system     Real-time emissions    

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Impact of gasoline engine deposits on light duty vehicle emissions: in-use case study in Beijing, China

Xin YUE, Ye WU, Xianjiang HUANG, Yao MA, Yuan PANG, Xiaofeng BAO, Jiming HAO

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 5,   Pages 717-724 doi: 10.1007/s11783-012-0438-3

Abstract: Tailpipe emissions from light-duty gasoline vehicles usually deteriorate over time.Six in-use light-duty gasoline vehicles in Beijing were tested to investigate the impact of engine depositsEmissions under cold start and hot running test conditions from the six light duty vehicles were measured

Keywords： engine deposit     fuel quality     detergency     vehicle emission    

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Key point selection in large-scale FBG temperature sensors for thermal error modeling of heavy-duty CNC

Jianmin HU, Zude ZHOU, Quan LIU, Ping LOU, Junwei YAN, Ruiya LI

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 4,   Pages 442-451 doi: 10.1007/s11465-019-0543-0

Abstract: Compared with small- and medium-sized CNC machine tools, heavy-duty CNC machine tools require the usetemperature sensors that are connected in series through a thin optical fiber are mounted on a heavy-dutydemonstrates good prediction effects and strong robustness under different working conditions of the heavy-duty

Keywords： thermal error     heavy-duty CNC machine tools     FBG     key TMPs     prediction model    

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dynamic mechanical characteristics and turning tool life under the conditions of excessively heavy-duty

Genghuang HE, Xianli LIU, Fugang YAN

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 3,   Pages 329-334 doi: 10.1007/s11465-012-0303-x

Abstract:

The dynamic mechanical characteristics of excessively heavy-duty cutting were analyzed based on theinvestigating the influence of dynamic mechanical characteristics on the tools’ failure in limited heavy-dutyThe heavy-duty cutting tool was damaged in the form of a shearing fracture.

Keywords： extreme loading cutting     shear flow stress     dynamic cutting force     fatigue fracture    

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Development of Heavy-Duty Gas Turbines in China in the New Era

Shu Guogang, Yu Chunhua, Shen Guohua, He Ai, Wang Zhaofeng, Wang Xiaobo

Strategic Study of CAE 2022, Volume 24, Issue 6,   Pages 184-192 doi: 10.15302/J-SSCAE-2022.06.017

Abstract:

The heavy-duty gas turbine industry is key to national energy securityprojects and driven by the carbon peaking and carbon neutrality goals, strategic research on heavy-dutyIn this study, we summarize the international experience in the development of heavy-duty gas turbineThe technical development directions of heavy-duty gas turbines include advanced materials and intelligent

Keywords： heavy-duty gas turbine     technical system     technical direction     high-efficiency power generation     power    

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Photocatalysis: from solar light to hydrogen energy

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 565-567 doi: 10.1007/s11708-021-0784-6

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A novel light fluctuation spectrum method for in-line particle sizing

Shouxuan QIN, Xiaoshu CAI, Li MA

Frontiers in Energy 2012, Volume 6, Issue 1,   Pages 89-97 doi: 10.1007/s11708-012-0176-z

Abstract: This paper discusses two problems in in-line particle sizing when using light fluctuation method.First, by retrieving the ratio of particle concentrations at different time, the intensity of incident lightThere exists narrow error between the calculated and pre-detected value of the intensity of incident light

Keywords： in-line measurement     particle size distribution (PSD)     incident light intensity     particle concentration     light fluctuation    

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Plasmonic light trapping for enhanced light absorption in film-coupled ultrathin metamaterial thermophotovoltaic

Qing NI, Hassan ALSHEHRI, Yue YANG, Hong YE, Liping WANG

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 185-194 doi: 10.1007/s11708-018-0522-x

Abstract: However, the light absorption in ultrathin cells is usually very weak compared to the corresponding bulk

Keywords： metamaterial     thermophotovoltaic     plasmonics     light trapping     selective absorption    

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HQ in inland saline-alkaline water under different light qualities

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 4, doi: 10.1007/s11783-021-1479-2

Abstract:

• Optimal growth of Chlorella in inland saline-alkaline water was achieved by blue LED.

Keywords： Light quality     Chlorella     Inland saline-alkaline water     Fatty acid     Biodiesel property    

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Fuel Cell Heavy-Duty Trucks: Application and Prospect

Xuguang Tan, Wenmiao Chen, Fengwen Pan

Engineering 2021, Volume 7, Issue 6,   Pages 728-730 doi: 10.1016/j.eng.2021.01.008

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Effect of light scattering on the performance of a direct absorption solar collector

Kwang Hyun WON, Bong Jae LEE

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 169-177 doi: 10.1007/s11708-018-0527-5

Abstract: Therefore, for the DASC utilizing a plasmonic nanofluid supporting the LSP, light scattering from metallicIt is found that the light scattering can improve the collector performance if the scattering coefficient

Keywords： direct absorption solar collector     plasmonic nanofluid     light scattering    

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Light olefins synthesis from С

Anton SHALYGIN, Evgenii PAUKSHTIS, Evgenii KOVALYOV, Bair BAL’ZHINIMAEV

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 3,   Pages 279-288 doi: 10.1007/s11705-013-1338-1

Abstract: A two-step process was employed to convert methane or ethane to light olefins via the formation of an

Keywords： oxychlorination     methane     ethane     light olefins     ruthenium catalyst    

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Lignin-derived dual-function red light carbon dots for hypochlorite detection and anti-counterfeiting

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 7,   Pages 966-975 doi: 10.1007/s11705-022-2244-1

Abstract: Furthermore, a new type of visible-light and fluorescence dual-channel information encryption platform

Keywords： alkali lignin     red light carbon dots     hypochlorite     encryption and anti-counterfeiting    

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Title Author Date Type Operation

Real-world fuel consumption of light-duty passenger vehicles using on-board diagnostic (OBD) systems

Xuan Zheng, Sheng Lu, Liuhanzi Yang, Min Yan, Guangyi Xu, Xiaomeng Wu, Lixin Fu, Ye Wu

Journal Article

Real drive cycles analysis by ordered power methodology applied to fuel consumption, CO

Pol Masclans Abelló, Vicente Medina Iglesias, M. Antonia de los Santos López, Jesús Álvarez-Flórez

Journal Article

Real-Time Black Carbon Emissions from Light-Duty Passenger Vehicles Using a Portable Emissions Measurement

Xuan Zheng,Liqiang He,Xiaoyi He,Shaojun Zhang,Yihuan Cao,Jiming Hao,Ye Wu,

Journal Article

Impact of gasoline engine deposits on light duty vehicle emissions: in-use case study in Beijing, China

Xin YUE, Ye WU, Xianjiang HUANG, Yao MA, Yuan PANG, Xiaofeng BAO, Jiming HAO

Journal Article

Key point selection in large-scale FBG temperature sensors for thermal error modeling of heavy-duty CNC

Jianmin HU, Zude ZHOU, Quan LIU, Ping LOU, Junwei YAN, Ruiya LI

Journal Article

dynamic mechanical characteristics and turning tool life under the conditions of excessively heavy-duty

Genghuang HE, Xianli LIU, Fugang YAN

Journal Article

Development of Heavy-Duty Gas Turbines in China in the New Era

Shu Guogang, Yu Chunhua, Shen Guohua, He Ai, Wang Zhaofeng, Wang Xiaobo

Journal Article

Photocatalysis: from solar light to hydrogen energy

Journal Article

A novel light fluctuation spectrum method for in-line particle sizing

Shouxuan QIN, Xiaoshu CAI, Li MA

Journal Article

Plasmonic light trapping for enhanced light absorption in film-coupled ultrathin metamaterial thermophotovoltaic

Qing NI, Hassan ALSHEHRI, Yue YANG, Hong YE, Liping WANG

Journal Article

HQ in inland saline-alkaline water under different light qualities

Journal Article

Fuel Cell Heavy-Duty Trucks: Application and Prospect

Xuguang Tan, Wenmiao Chen, Fengwen Pan

Journal Article

Effect of light scattering on the performance of a direct absorption solar collector

Kwang Hyun WON, Bong Jae LEE

Journal Article

Light olefins synthesis from С

Anton SHALYGIN, Evgenii PAUKSHTIS, Evgenii KOVALYOV, Bair BAL’ZHINIMAEV

Journal Article

Lignin-derived dual-function red light carbon dots for hypochlorite detection and anti-counterfeiting

Journal Article