Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
In-use measurement of the activity, fuel use, and emissions of front-loader refuse trucks
Abstract Field measurements were made for six front-loader refuse trucks for over 560 miles (901 km) and 47 h of operation using a portable emissions measurement system, electronic control unit data logger, and global positioning system receivers. Daily activity, fuel use rates, and emission rates are quantified in terms of operating mode bins defined by the U.S. Environmental Protection Agency for the MOVES emission factor model. On average, 44 (±4) percent of time was spent at idle, 5 (±1) percent braking or decelerating, 11 (±2) percent coasting, 23 (±3) percent cruising or accelerating at low speed (up to 25 mph, 40.2 kmph), 10 (±2) percent cruising or accelerating at moderate speed (25–50 mph, 40.2 to 80.4 kmph), and 7 (±3) percent cruising or accelerating at high speed (50 mph, 80.4 kmph or higher). Fuel use and emission rates varied among operating modes by factors of 6–24. The estimated daily activity cycle average fuel economy ranges from 2.3 to 3.2 mpg (0.98–1.4 kmpl). The PM emission rates for trucks with diesel particulate filters are 98 percent lower compared to those without. Variation in truck weight lead to differences in average fuel use and emission rates of 20 percent or less, except for hydrocarbons. The variation in the empirically-based daily activity cycle average rates were highly correlated with MOVES estimates, except for hydrocarbons. The data collected here are useful for quantifying daily activity specific to front-loaders, and for developing fuel use and emission estimates and models for this type of vehicle.
Highlights In-use measurements were made for six front-loader refuse trucks. Duty cycles, fuel use rates, and emission rates were quantified for OpMode bins. Trucks spend about 45 percent time at idle and 25 percent at speeds below 25 mph Estimated cycle average fuel economy ranges from 2.3 to 3.2 mpg (1.0 to 1.4 km per liter). There was significant inter-run variability due to differences in driving cycles.
In-use measurement of the activity, fuel use, and emissions of front-loader refuse trucks
Abstract Field measurements were made for six front-loader refuse trucks for over 560 miles (901 km) and 47 h of operation using a portable emissions measurement system, electronic control unit data logger, and global positioning system receivers. Daily activity, fuel use rates, and emission rates are quantified in terms of operating mode bins defined by the U.S. Environmental Protection Agency for the MOVES emission factor model. On average, 44 (±4) percent of time was spent at idle, 5 (±1) percent braking or decelerating, 11 (±2) percent coasting, 23 (±3) percent cruising or accelerating at low speed (up to 25 mph, 40.2 kmph), 10 (±2) percent cruising or accelerating at moderate speed (25–50 mph, 40.2 to 80.4 kmph), and 7 (±3) percent cruising or accelerating at high speed (50 mph, 80.4 kmph or higher). Fuel use and emission rates varied among operating modes by factors of 6–24. The estimated daily activity cycle average fuel economy ranges from 2.3 to 3.2 mpg (0.98–1.4 kmpl). The PM emission rates for trucks with diesel particulate filters are 98 percent lower compared to those without. Variation in truck weight lead to differences in average fuel use and emission rates of 20 percent or less, except for hydrocarbons. The variation in the empirically-based daily activity cycle average rates were highly correlated with MOVES estimates, except for hydrocarbons. The data collected here are useful for quantifying daily activity specific to front-loaders, and for developing fuel use and emission estimates and models for this type of vehicle.
Highlights In-use measurements were made for six front-loader refuse trucks. Duty cycles, fuel use rates, and emission rates were quantified for OpMode bins. Trucks spend about 45 percent time at idle and 25 percent at speeds below 25 mph Estimated cycle average fuel economy ranges from 2.3 to 3.2 mpg (1.0 to 1.4 km per liter). There was significant inter-run variability due to differences in driving cycles.
In-use measurement of the activity, fuel use, and emissions of front-loader refuse trucks
Sandhu, Gurdas S. (Autor:in) / Frey, H. Christopher (Autor:in) / Bartelt-Hunt, Shannon (Autor:in) / Jones, Elizabeth (Autor:in)
Atmospheric Environment ; 92 ; 557-565
19.04.2014
9 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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