Under Hood Temperature Measurements

Fournier, E. W.; Bayne, Tim

doi:10.4271/2007-01-1393

Cited by 12 publications

(6 citation statements)

References 4 publications

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“…The ambient temperatures of the room have been varied between 21°C and 27°C in order to observe the effect of the ambient temperature to the performance of the MGT in relation to the air filtration system. This is also to mimic the temperature rise in the engine compartment of a vehicle, which can vary up to a maximum of 100°C depending on the operating state (from idle to uphill driving) [22]. Step input power demand with 5 kW intervals Figure 6 shows the test results with the automotive air filtration system at 22°C ambient temperature.…”

Section: Resultsmentioning

confidence: 99%

Micro Gas Turbine Range Extender - Validation Techniques for Automotive Applications

Shah¹,

McGordon²,

Amor-Segan³

et al. 2013

Hybrid and Electric Vehicles Conference 2013 (HEVC 2013)

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Copies of full items can be used for personal research or study, educational, or not-forprofit purposes without prior permission or charge. Provided that the authors, title and full bibliographic details are credited, a hyperlink and/or URL is given for the original metadata page and the content is not changed in any way. A note on versions:The version presented here is a working paper or pre-print that may be later published elsewhere. If a published version is known of, the above WRAP url will contain details on finding it. AbstractA Micro Gas Turbine (MGT) can be considered as an alternative to the internal combustion engine as a range extender for electric vehicles. The MGT produces less raw exhaust gaseous emissions such as HC and CO in aerospace and static applications compared to the internal combustion engine. In addition, the MGT weight is less than an equivalent internal combustion engine and potentially can reduce the level of CO 2 further in a vehicle application. However, the use of the MGT in an automotive domain has some unique technical and commercial requirements that will require new validation approaches. An air filtration system is known to be one of the important elements to characterise the performance and the emissions of the MGT. In the past, most of the efforts on MGT were focused on the vehicle development and packaging studies, where the technical requirements of the test standards for the air filtration system were not considered. Furthermore, the validation techniques of the air filtration system for automotive applications have different requirements to those of a large scale turbine for aerospace use. A test method has been developed to investigate the effect of the automotive air filtration system on the MGT's characteristics in terms of the electrical power output and potentially the gaseous emissions. The outcomes of the research have provided good understanding of the MGT validation process in the automotive applications. It addresses the potential challenges that may hamper the MGT range extender for hybrid electric vehicle development processes.

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Section: Resultsmentioning

confidence: 99%

Micro Gas Turbine Range Extender - Validation Techniques for Automotive Applications

Shah¹,

McGordon²,

Amor-Segan³

et al. 2013

Hybrid and Electric Vehicles Conference 2013 (HEVC 2013)

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“…The heat release rate (per unit area) of a smoldering fire front ranges from 10 to 30 kW/ m 2 (Ohlemiller and Shaub 1988). Hot surfaces in the engine compartment may attain temperatures of 550°C (Fournier 2004) and even higher. A surface temperature of 550°C will result in an emitted radiative heat flux of 26 kW/m 2 .…”

Section: Cone Calorimeter Testsmentioning

confidence: 99%

Pre-ignition detection and early fire detection in mining vehicles

Hansen

2021

Mining Technology

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With an increasing demand for early detection of mining vehicle fires, the question is how an early detection could be achieved? Data from cone calorimeter tests and incident summary data were applied when analysing possible fire detection solutions on mining vehicles. Based on the tests, pre-ignition and post-ignition solutions in the cab and the engine compartment were analysed and presented. If overcoming the challenges of the environment, smoke sensors could for example be a potential pre-ignition detector in engine compartments. Based on the incident summaries, clues on detectable traces, etc., were identified and a discussion on the types of sensors for various types of vehicles and sections was provided. Fires in for example the turbo/exhaust area and engine compartment, could be detected prior to ignition using gas sensors to detect the emitted hydrocarbons or an oil mist detection system.

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“…To be meaningful, such measurements should be conducted with vehicle running with a load; idling is not enough. Information on the underhood temperatures in several types of vehicles is described by Fournier [2004].…”

Section: The Character Of Post-collision Firesmentioning

confidence: 99%

Vehicle fire suppression research needs

Hamins¹

2007

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This report identifies research needs in automotive fire protection. The work focuses on the problem of post-collision vehicle fires. Recent fire suppression research is cited with special attention given to results cited in the scientific literature as well as relevant reviewed manufacturer information. The report is broken into several sections that include background information on the post-collision vehicle fire problem, a summary of previous suppression research in vehicles, recent fire suppression research, in general, and specific suggestions for further post-collision vehicle fire suppression research that is needed. The results of a workshop on "Fire Suppression Research Needs" that took place during the 2005 SAE World Congress is described. Several Appendices reproduce pertinent information, regarding suppression technologies for vehicle fire applications, which were obtained on the internet and in this sense act as an archive. v Vehicle Fire Suppression Research Needs * This report identifies research needs in automotive fire protection with an emphasis on fire suppression. The report focuses on the problem of post-collision vehicle fires and is broken into several sections including background information on the post-collision vehicle fire problem, a summary of previous suppression research in vehicles and recent fire suppression research in general. Recent fire suppression research is cited with special attention given to results in the open scientific literature as well as relevant manufacturer supplied information. Specific suggestions for further post-collision vehicle fire suppression research are made. The last section lists cited references. A number of appendices are also included. The first four reproduce information found on the internet, are also included. The last one summarizes the results of a workshop on automobile fire suppression.

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Under Hood Temperature Measurements

Cited by 12 publications

References 4 publications

Micro Gas Turbine Range Extender - Validation Techniques for Automotive Applications

Micro Gas Turbine Range Extender - Validation Techniques for Automotive Applications

Pre-ignition detection and early fire detection in mining vehicles

Vehicle fire suppression research needs

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