1 edition of Modeling and measurement of vehicle emissions from roadways found in the catalog.
Modeling and measurement of vehicle emissions from roadways
by Texas Transportation Institute, Texas A & M University System in College Station, Tex
Written in English
|Statement||by Jerry A. Bullin ... [et al.].|
|Series||Research report ;, 283-3F, Research report (Texas Transportation Institute) ;, 283-3F.|
|Contributions||Bullin, J. A., Texas. State Dept. of Highways and Public Transportation., United States. Federal Highway Administration.|
|LC Classifications||HE203 .T43 no. 283-3F, TD195.R63 .T43 no. 283-3F|
|The Physical Object|
|Pagination||2 v. :|
|LC Control Number||88620365|
May 22, · The authors wish to acknowledge the City of Edmonton Transportation Planning Department for providing the four-step modeling results and providing funding towards the emissions model development. Checkel MD () Predicting on-road vehicle emissions inventories. Emissions Models as a Design Tool for Urban Transportation Planners. In Author: Daniel Handford, M. David Checkel. Electronic door seals (E-seals) were tested on shipping containers that traveled through ports, over borders, and on roadways. The findings showed that using these RFID devices could increase supply chain efficiency and improve the security of containerized cargo movements, particularly when E-seals replace common mechanical seals.
These emission factors were combined with vehicle registration data from the MOBILE model to estimate excess PM emissions associated with LD vehicle engine starts as of The ratio of start emissions to running emissions calculated for was used to estimate start emissions of PM for the other years included in this analysis. Cited by: Create a new account. Are you an ASCE Member? We recommend that you register using the same email address you use to maintain your ASCE Member account.
Abstract. Legislation passed in the early ’s requires that the air quality impacts of individual transportation projects be evaluated. Most of the current modeling practices to predict these air quality impacts use regionally-based average pollutant emissions rates without acknowledging that local traffic conditions and vehicle fleet compositions can vary freelancerscomic.com: Jessica M. Utts, Debbie A. Niemeier. To effectively estimate the vehicle emissions, many emission models have been developed. The EPA released new vehicle emissions modeling tool MOVES replaces the previous series of models MOBILE. MOVES estimates emissions based on a bunch of default values and inputs, such as vehicle types, road types, VMT, vehicle age distribution.
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TRB's Airport Cooperative Research Program (ACRP) Research Report Guidebook for Quantifying Airport Ground Access Vehicle Activity for Emissions Modeling reviews the regulatory framework and significance of ground access vehicle (GAV) emissions in an airport setting.
Modeling the impacts of traffic emissions on air toxics concentrations near roadways. to TRAP and vehicle emissions and other factors may influence the exposure levels.
measurement and. The purpose of this study is to demonstrate a methodology for quantification of high emissions hot spots along roadways based upon real-world, on-road vehicle emissions measurements.
Estimating Emissions from On-Road Mobile Sources. MOBILE is the most current version and is recommended for all new modeling efforts in the US States other than California. The outputs of the MOBILE model are emissions per unit time or distance of a fleet or vehicle type (i.e. grams/mile or grams/hour) of HC, CO, NOx, CO2, PM, NH3.
Numerical modelling of vehicular emissions using the United States Environmental Protection Agency`s CALINE4 and Modeling and measurement of vehicle emissions from roadways book dispersion models to predict air quality impacts in the vicinity of roadways is a widely accepted means of evaluating vehicular emissions impacts.
The numerical models account for. Input Guidelines for Motor Vehicle Emissions Simulator Model, Volume 3: The National Academies Press. doi: / weigh stations, and other special projects) with the objective of improving heavy-duty vehicle modeling capability. Vehicle weights and mix of vehicle classes are investigated depending upon a number of regional and.
Oct 15, · The emission factors for the mobile sources were based upon the Motor Vehicle Emissions Simulator (MOVES) model version b. Figure 1 shows the CMAQ regional-scale modeling domain and the zoomed-in portion for the focus area in Detroit.
Our selected area encompasses the majority of the emission sources in the Detroit freelancerscomic.com by: Select up to three search categories and corresponding keywords using the fields to the right. Refer to the Help section for more detailed instructions.
In Augusta Visitor Vehicle Emissions Study was performed at Yosemite National Park in order to collect traffic count and vehicle tracking data.
This data was processed through the Environmental Protection Agency’s (EPA) MOBILE6 modeling software to produce park-specific emission freelancerscomic.com: Clay N Reherman, Brian Y Kim, George J Noel, Gregg G Fleming, Roger L Wayson, Ryan F Preseault, Gary.
Measurement of road dust emissions can be made using mobile techniques that sample behind individual vehicles tires or can be estimated using roadside measurements. Under normal, real-world conditions, it is not possible to differentiate between direct (Chapters 6–8 Chapter 6 Chapter 7 Chapter 8) and suspended particles from road dust Cited by: 2.
The first part of this book addresses research about the exposure of humans to vehicular emissions and their reaction products. The first three chapters examine the nature of automotive emissions (Johnson), their chemical transformation (Atkinson), and the mechanisms of their transport through the Cited by: 3.
Roadway emissions are based on a combination of road network, traffic activity, and emissions factors. The modeling approach for roadways emissions was consistent with the approach used in the C-LINE web-based model, where emissions for each road link are calculated by combining national database information on traffic volume and fleet mix Author: Vlad Isakov, Saravanan Arunachalam, Richard Baldauf, Michael Breen, Parikshit Deshmukh, Andy Hawkins.
Research to investigate children’s asthma in Detroit, Michigan examined the impact of diesel exhaust from roadways.
As part of this research effort, the Near-Road Exposures to Urban Air Pollutants Study (NEXUS) evaluated the impact of vehicle emissions, including black carbon, on near-road exposures and asthma outcomes.
Heavy-Duty Diesel Vehicle Model constant value with the average trip-based approach. An additional advantage that the heavy-duty diesel vehicle modal emission model (HDDV-MEM) has over traditional modeling approaches is the imple- mentation of modal modeling.
A major challenge in traffic-related air pollution exposure studies is the lack of information regarding pollutant exposure characterization. Air quality modeling can provide spatially and temporally varying exposure estimates for examining relationships between traffic-related air pollutants and adverse health outcomes.
A hybrid air quality modeling approach was used to estimate exposure to Cited by: Numerical modelling of vehicular emissions using the United States Environmental Protection Agency`s CALINE4 and CAL3QHC dispersion models to predict air quality impacts in the vicinity of roadways is a widely accepted means of evaluating vehicular emissions impacts.
Gas- and particle-phase tailpipe emissions from late-model medium duty diesel trucks are quantified using a two-stage dilution source sampling system.
The diesel trucks are driven through the hot-start Federal Test Procedure (FTP) urban driving cycle on a transient chassis dynamometer.
Emission rates of 52 gas-phase volatile hydrocarbons, 67 semivolatile and 28 particle-phase organic compounds. Jun 19, · Recent research has involved applications of an instrumented electric vehicle to measurements in several locations in the South Coast Air Basin heavily impacted by mobile source emissions, including communities adjacent to the Ports of Los Angeles and Long Beach, and in downtown Los Angeles and Boyle Heights.
The emissions of CO, CO 2, HC, O 2 and NO x were recorded every second and the speed every one-tenth of a second of the test vehicles with the autogas analyser and the V-Box, respectively. The V-Box is used for the measurement of the speed of a moving vehicle, based on a range of high-performance GPS receiver, which is 3 to freelancerscomic.com by: 5.
Transportation forecasting is the attempt of estimating the number of vehicles or people that will use a specific transportation facility in the future. For instance, a forecast may estimate the number of vehicles on a planned road or bridge, the ridership on a railway line, the number of passengers visiting an airport, or the number of ships calling on a seaport.
Aug 15, · Modeling the vehicle‐to‐vehicle propagation channel: A review. David W. Matolak. which translates to decreased fuel usage and lower exhaust emissions, and other parts of conventional radio transceivers may also be included in measurement‐based models, unless modelers take explicit steps to deembed such effects [Vaughan and Cited by: Aug 09, · Approximately 11% of US households are located within meters of 4-lane highways [estimated using: [1, 2]].While it is clear that automobiles are significant sources of air pollution, the exposure of near-highway residents to pollutants in automobile exhaust has only recently begun to Cited by: There is an increased focus worldwide on understanding and modeling rolling resistance because reducing the rolling resistance by just a few percent will lead to substantial energy savings.
This paper reviews the state of the art of rolling resistance research, focusing on measuring techniques, surface and texture modeling, contact models, tire.