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Articles 31 - 34 of 34
Full-Text Articles in Engineering
Synthesis Of Fault Traces In Se Louisiana Relative To Infrastructure, David Culpepper, Elizabeth Chinn Mcdade, Nancye Dawers, Mark Kulp, Rui Zhang
Synthesis Of Fault Traces In Se Louisiana Relative To Infrastructure, David Culpepper, Elizabeth Chinn Mcdade, Nancye Dawers, Mark Kulp, Rui Zhang
Data
Corresponding data set for Tran-SET Project No. 17GTLSU12. Abstract of the final report is stated below for reference:
"Geological faulting has been implicated as a contributor to subsidence, coastal land-loss and submergence of marshlands in southern Louisiana. This report reviews whether fault motion, either by slow creep or more sudden slip, can cause deformation of engineered structures resulting in increased infrastructure maintenance and repair costs. The impact of surface, or near-surface, geologic faulting on critical infrastructure is insufficiently documented in southeastern Louisiana, but the state has a vast amount of energy-sector subsurface data that to date has been under-utilized for …
Fuel Consumption And Emissions Performance Under Real Driving: Comparison Between Hybrid And Conventional Vehicles., Yuhan Huang, Surawski C. Nic, Organ Bruce, John L. Zhou, Oscar H.H Tang, Edward F.C. Chan
Fuel Consumption And Emissions Performance Under Real Driving: Comparison Between Hybrid And Conventional Vehicles., Yuhan Huang, Surawski C. Nic, Organ Bruce, John L. Zhou, Oscar H.H Tang, Edward F.C. Chan
Faculty of Science & Technology (THEi)
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 consumption and pollutant emissions performance of HEVs against their conventional ICE counterparts. Two pairs of hybrid and conventional gasoline vehicles of the same model were tested simultaneously in a novel convoy mode using …
Characterisation Of Diesel Vehicle Emissions And Determination Of Remote Sensing Cutpoints For Diesel High-Emitters., Yuhan Huang, Organ Bruce, John L. Zhou, Surawski C. Nic, Yat-Shing Yam, Edward F.C. Chan
Characterisation Of Diesel Vehicle Emissions And Determination Of Remote Sensing Cutpoints For Diesel High-Emitters., Yuhan Huang, Organ Bruce, John L. Zhou, Surawski C. Nic, Yat-Shing Yam, Edward F.C. Chan
Faculty of Science & Technology (THEi)
Diesel vehicles are a major source of air pollutants in cities and have caused significant health risks to the public globally. This study used both on-road remote sensing and transient chassis dynamometer to characterise emissions of diesel light goods vehicles. A large sample size of 183 diesel vans were tested on a transient chassis dynamometer to evaluate the emission levels of in-service diesel vehicles and to determine a set of remote sensing cutpoints for diesel high-emitters. The results showed that 79% and 19% of the Euro 4 and Euro 5 diesel vehicles failed the transient cycle test, respectively. Most of …
Impact Of Potential Engine Malfunctions On Fuel Consumption And Gaseous Emissions Of A Euro Vi Diesel Truck., Yuhan Huang, Elvin C.Y. Ng, Yat-Shing Yam, Casey K.C. Lee, Surawski C. Nic, Wai-Chuen Mok, Organ Bruce, John L. Zhou, Edward F.C. Chan
Impact Of Potential Engine Malfunctions On Fuel Consumption And Gaseous Emissions Of A Euro Vi Diesel Truck., Yuhan Huang, Elvin C.Y. Ng, Yat-Shing Yam, Casey K.C. Lee, Surawski C. Nic, Wai-Chuen Mok, Organ Bruce, John L. Zhou, Edward F.C. Chan
Faculty of Science & Technology (THEi)
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 the fuel consumption and gaseous emissions of a 16-tonne Euro VI diesel truck using transient chassis dynamometer testing. The simulated malfunctions included those that would commonly occur in the intake, fuel …