Develop Multi-scale Energy and Emission Models
Project Title
Develop Multi-scale Energy and Emission Models
University
Virginia Tech
Principal Investigator
Hesham Rakha, Ph.D
Director of the Center for Sustainable Mobility at the Virginia Tech Transportation Institute, Virginia Tech
Kyoungho Ahn, Ph.D.
Center for Sustainable Mobility Sr. Research Associate, Virginia Tech
Doug Nelson, Ph.D
Professor, Virginia Tech
Linsey Marr Ph.D.
Associate Professor, Virginia Tech
PI Contact Information
Funding Sources and Amounts Provided
US Department Of Transportation/TranLIVE — $200,000
Virginia Tech — $200,000
Total Project Cost
$400,000
Agency ID or Contract Number
DTRT12GUTC17; KLK900-SB-002
Start Date
1/1/12
End Date
1/31/16
Description of Research Project
The proposed project develops a tool for the assessment of short-term and medium-term effects of network-level traffic-flow improvement projects on energy consumption and environment. Current state-of-the-art models estimate vehicle fuel consumption and emissions based on simple vehicle trip characteristics. While this approach has been widely utilized by transportation planners/engineers for the evaluation of network-wide impacts on energy consumption and environment, it is not efficient for the evaluation of energy and environmental impacts of short-term and medium-term effects of network-level traffic-flow improvement projects, including Intelligent Transportation System (ITS) applications. This tool can be utilized to evaluate the energy and environmental impacts of alternative transportation-related projects prior to their implementation in the field and possibly reduce the adverse impacts of transportation projects on energy consumption and environment.
The project will focus on the following:
- Develop and validate the microscopic modeling framework for gasoline light-duty vehicles.
- Develop and validate a microscopic modeling framework for diesel engine light duty vehicles, heavy duty trucks and buses.
- Investigate the potential for use of electrified vehicles to serve traveler needs using naturalistic driving data.
- Develop and validate energy consumption models for light duty electric vehicles and rail locomotives.
Implementation of Research Outcomes
The team is currently developing fuel consumption models for buses and hybrid vehicles.
The following papers have been published as part of this project:
- Saerens, B., Rakha, H., Ahn, K., and Van den Bulck, E. (2013), "Assessment of Alternative Polynomial Fuel Consumption Models for use in ITS Applications," Journal of Intelligent Transportation Systems: Technology, Planning, and Operations, DOI:10.1080/15472450.2013.764801.
- Faris W., Rakha H., Kafafy R., Idres M., Elmoselhy S., (2012), "Diesel Engine Analytical Model," International Journal of Scientific & Engineering Research, Volume 3, Issue 8, ISSN 2229-5518.
- Faris W., Rakha H., Kafafy R., Idres M., and Elmoselhy S. (2012), "Analytical Modelling of Supercharging Diesel Radial Centrifugal Compressors with Vanes-Based Diffuser," International Journal of Advances in Engineering and Technology (IJAET), Vol. 5, Issue 1, pp. 84-106, ISSN: 2231-1963.
- Park S., Rakha H., Ahn K., and Moran K. (In press), “Virginia Tech Comprehensive Power-based Fuel Consumption Model (VT-CPFM): Model Validation and Calibration Considerations,” International Journal of Transportation Science and Technology.
- Faris W., Rakha H.A., Kafafy R., Idres M., and Elmoselhy S. (In press), “Supercharged Diesel Powertrain Intake Manifold Analytical Model,” International Review on Modelling and Simulations (IREMOS).
- Faris, W.F., Rakha, H.A. and Elmoselhy (2014), “Supercharged Diesel Powertrain Intake Manifold Analytical Model,” International Journal of Vehicle Systems Modelling and Testing, 9(1), pp. 1-35.
- Edwardes W. and Rakha H. (2014), “Virginia Tech Comprehensive Power-Based Fuel Consumption Model: Modeling Diesel and Hybrid Buses,” Presented at the 93rd Transportation Research Board Annual Meeting, Washington DC, January 12-16, CD-ROM [Paper # 14-3863].
- Elmoselhy S., Faris W. and Rakha H. (In press), “Experimentally validated analytical modeling of diesel exhaust HC emission rate,” The Journal of Mechanical Science and Technology.
- Edwardes W. and Rakha H. (2015), "Modeling Diesel and Hybrid Bus Fuel Consumption using VT-CPFM: Model Enhancements and Calibration," Transportation Research Record: Journal of the Transportation Research Board.
- Park S., Ahn K., Rakha H., and Lee C. (2015), "Real-Time Emission Modeling with EPA MOVES: Framework Development and Preliminary Investigation," Transportation Research Record: Journal of the Transportation Research Board.
Impacts and Benefits of the Project
The outcome of this project will be better tools for evaluating the energy and environmental impacts of alternative traffic and transportation management strategies.
Papers
- Park S., Rakha H., and Ahn K. (2013), "Virginia Tech Comprehensive Power-based Fuel Consumption Model (VT-CPFM): Model Validation and Calibration Considerations," Presented at the 92nd Transportation Research Board Annual Meeting, Washington DC, January 14-17, CD-ROM [Paper # 13-0461].
- Saerens, B., Rakha, H., Ahn, K., and Van den Bulck, E. (2013), "Assessment of Alternative Polynomial Fuel Consumption Models for use in ITS Applications," Journal of Intelligent Transportation Systems: Technology, Planning, and Operations, DOI:10.1080/15472450.2013.764801.
- Faris W., Rakha H., Kafafy R., Idres M., Elmoselhy S., (2012), "Diesel Engine Analytical Model," International Journal of Scientific & Engineering Research, Volume 3, Issue 8, ISSN 2229-5518.
- Faris W., Rakha H., Kafafy R., Idres M., and Elmoselhy S. (2012), "Analytical Modelling of Supercharging Diesel Radial Centrifugal Compressors with Vanes-Based Diffuser," International Journal of Advances in Engineering and Technology (IJAET), Vol. 5, Issue 1, pp. 84-106, ISSN: 2231-1963.
- Park S., Rakha H., Ahn K., and Moran K. (In press), “Virginia Tech Comprehensive Power-based Fuel Consumption Model (VT-CPFM): Model Validation and Calibration Considerations,” International Journal of Transportation Science and Technology.
- Faris W., Rakha H.A., Kafafy R., Idres M., and Elmoselhy S. (In press), “Supercharged Diesel Powertrain Intake Manifold Analytical Model,” International Review on Modelling and Simulations (IREMOS).
- Faris, W.F., Rakha, H.A. and Elmoselhy (2014), “Supercharged Diesel Powertrain Intake Manifold Analytical Model,” International Journal of Vehicle Systems Modelling and Testing, 9(1), pp. 1-35.
- Edwardes W. and Rakha H. (2014), “Virginia Tech Comprehensive Power-Based Fuel Consumption Model: Modeling Diesel and Hybrid Buses,” Presented at the 93rd Transportation Research Board Annual Meeting, Washington DC, January 12-16, CD-ROM [Paper # 14-3863].
- Elmoselhy S., Faris W. and Rakha H. (In press), “Experimentally validated analytical modeling of diesel exhaust HC emission rate,” The Journal of Mechanical Science and Technology.
Presentations
- Rakha H. (2012), “Transportation Sustainability: What can ITS Offer?” ITS World Congress, Vienna, Austria, Oct. 22-26. (Session SIS06 Emerging ITS Strategies and Sustainability - Tuesday 11 a.m. - 12:30 p.m.).
- Rakha H. (2012), “Case Study Evaluation of the Environmental Impacts of Adaptive Traffic Signal Control and Transit Signal Priority,” ITS World Congress, Vienna, Austria, Oct. 22-26. (Session SIS35 - Demonstrating the environmental contributions from demand responsive traffic control - Wednesday 4 p.m. - 5:30 p.m.).
Web Links
Final Report: VT_TranLIVE_Final_Energy and Emissions Modeling_VTTI
Keywords
- Vehicle fuels
- emissions
- transportation
- transportation energy and emission modeling
Project Status
Complete