Hydrogen Fuel Consumption Correlation between Established EPA Measurement Methods and Exhaust Emissions Measurements

Thiel, Wolfgang; Krough, Bradley

doi:10.4271/2008-01-1038

Cited by 4 publications

(1 citation statement)

References 4 publications

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“…These three methods are gravimetric measurement; measurement of stabilized pressure, volume and temperature (PVT); and coriolis mass flow measurement [252]. Recently another method similar to the carbon balance that is used for fuel consumption calculations for conventional vehicles based on exhaust emissions measurement has been proposed for hydrogen engines, and a detailed comparison of the methods has been provided [253]. Due to the extensive measurement equipment needed for this method, it has so far only found application where a direct fuel consumption measurement is not feasible [196].…”

Section: Hydrogen Supply Systemmentioning

confidence: 99%

Hydrogen-fueled internal combustion engines

Verhelst

Wallner

2009

Progress in Energy and Combustion Science

1,010

304

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a b s t r a c tThe threat posed by climate change and the striving for security of energy supply are issues high on the political agenda these days. Governments are putting strategic plans in motion to decrease primary energy use, take carbon out of fuels and facilitate modal shifts.Taking a prominent place in these strategic plans is hydrogen as a future energy carrier. A number of manufacturers are now leasing demonstration vehicles to consumers using hydrogen-fueled internal combustion engines (H 2 ICEs) as well as fuel cell vehicles. Developing countries in particular are pushing for H 2 ICEs (powering two-and three-wheelers as well as passenger cars and buses) to decrease local pollution at an affordable cost.This article offers a comprehensive overview of H 2 ICEs. Topics that are discussed include fundamentals of the combustion of hydrogen, details on the different mixture formation strategies and their emissions characteristics, measures to convert existing vehicles, dedicated hydrogen engine features, a state of the art on increasing power output and efficiency while controlling emissions and modeling.

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Section: Hydrogen Supply Systemmentioning

confidence: 99%