Irnie Azlin@Nur Aqilah, Zakaria (2012) Revolution of engine cooling and thermal management system / Irnie Azlin@Nur Aqilah Zakaria. Masters thesis, University of Malaya.
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Abstract
Engine cooling and thermal management system is very essential in an automotive industry. It has been existed for decades but only recently been explored for revolution. This study explores current conventional engine cooling, specifically detailing out specifications for wax type conventional thermostat and engine driven water pump. In conventional cooling study, improvement has been made on thermostat opening temperature. Actual experimental set up has been installed and result recorded. Impact on this change has been studied in term of engine coolant inlet and outlet temperature, radiator, bypass flow rate and also Euro 3 emission compliance. This study also highlights the limitation of current conventional engine cooling and thermal management system, thus requiring revolution to the system. Advanced engine cooling and thermal management system is then explored as a revolution of engine cooling and thermal management system. This further brings us to study on electrification of engine cooling components mainly on electric control valve and electric water pump. The control system is also improved through integration between engine input/output and cooling input /output for optimum combination. 2 case studies have been reviewed which are Chevrolet Tahoe, 5.77 litre ( Chalgren Jr, 2004 ) and Ford Excursion 6.0 liter diesel ( Chalgren and Allen, 2005 ). In these two studies, electric water pump, electric valve, dual variable speed fan and also restrictor at bypass to boost heater core coolant flow have been fully examined and effect on engine cooling and thermal management system is observed.A lot of improvement seen from this revolution namely improvement in fuel consumption, reduced warm up time, better emission control, better cabin temperature during cold start, better coolant temperature fluctuation and also reduction in parasitic loss.
| Item Type: | Thesis (Masters) |
|---|---|
| Additional Information: | Thesis (M.Eng.) - Faculty of Engineering, University of Malaya, 2012. |
| Uncontrolled Keywords: | Engine cooling and thermal; Engine coolant; Electric control valve; Dual variable speed fan |
| Subjects: | T Technology > T Technology (General) T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Faculty of Engineering |
| Depositing User: | Mr Prabhakaran Balachandran |
| Date Deposited: | 10 Jan 2018 10:02 |
| Last Modified: | 10 Jan 2018 10:02 |
| URI: | http://studentsrepo.um.edu.my/id/eprint/8087 |
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