Works (4)

Updated: July 29th, 2023 21:15

2010 journal article

Vehicle-Specific Emissions Modeling Based upon on-Road Measurements

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 44(9), 3594–3600.

By: H. Frey n, K. Zhang n & N. Rouphail n

Contributors: H. Frey n

MeSH headings : Air Pollutants / analysis; Automobile Driving; Automobiles; Computer Simulation; Data Interpretation, Statistical; Environmental Monitoring / methods; Particulate Matter; Pressure; Regression Analysis; Transportation; Vehicle Emissions
TL;DR: Vehicle-specific microscale fuel use and emissions rate models are developed based upon real-world hot-stabilized tailpipe measurements made using a portable emissions measurement system and are sensitive to episodic events in driving cycles such as high acceleration. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2008 journal article

Fuel use and emissions comparisons for alternative routes, time of day, road grade, and vehicles based on in-use measurements

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 42(7), 2483–2489.

By: H. Frey n, K. Zhang n & N. Rouphail n

Contributors: H. Frey n

MeSH headings : Gasoline; Motor Vehicles
TL;DR: The results demonstrate that alternative routing can significantly impact trip emissions and vehicle-specific models are needed to capture episodic effects of emissions for near-road short-term human exposure assessment. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2007 journal article

Evaluation of response time of a portable system for in-use vehicle tailpipe emissions measurement

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 42(1), 221–227.

By: K. Zhang n & C. Frey n

Contributors: K. Zhang n

MeSH headings : Air Pollutants / analysis; Carbon Dioxide / analysis; Carbon Monoxide / analysis; Environmental Monitoring / instrumentation; Environmental Monitoring / methods; Hydrocarbons / analysis; Motor Vehicles; Nitric Oxide / analysis; Time Factors; Vehicle Emissions / analysis
TL;DR: Simulations showed that correction improves the measurement accuracy, especially when the noise is relatively large, and for real-world data, smoothing and correction is recommended for major peaks to improve the measurements accuracy. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
13. Climate Action (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2006 journal article

Road grade estimation for on-road vehicle emissions modeling using light detection and ranging data

JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION, 56(6), 777–788.

By: K. Zhang n & H. Frey n

MeSH headings : Air Pollutants / analysis; Carbon Dioxide / analysis; Carbon Monoxide / analysis; Environmental Monitoring; Gasoline; Hydrocarbons / analysis; Motor Vehicles; Nitric Oxide / analysis; Vehicle Emissions / analysis
TL;DR: LIDAR data are shown to be reliable and accurate for road grade estimation for vehicle emissions modeling and demonstrated via a case study using PEMS data collected in the Research Triangle Park, NC, area. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

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