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Study on Heat Losses during Flame Impingement in a Diesel Engine Using Phosphor Thermometry Surface Temperature Measurements Scania CV AB
- Format:
- Book
- Conference/Event
- Author/Creator:
- Binder, Christian, author.
- Conference Name:
- WCX SAE World Congress Experience (2019-04-09 : Detroit, Michigan, United States)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2019
- Summary:
- In-cylinder heat losses in diesel engines decrease engine efficiency significantly and account for approximately 14-19% [1, 2, 3] of the injected fuel energy. A great part of the heat losses during diesel combustion presumably arises from the flame impingement onto the piston. Therefore, the present study investigates the heat losses during flame impingement onto the piston bowl wall experimentally. The measurements were performed on a full metal heavy-duty diesel engine with a small optical access through a removed exhaust valve. The surface temperature at the impingement point of the flame was determined by evaluating a phosphor's temperature dependent emission decay. Simultaneous cylinder pressure measurements and high-speed videos are associated to the surface temperature measurements in each cycle. Thus, surface temperature readings could be linked to specific impingement and combustion events. The results showed a sharp increase of the surface temperature during the flame impingement and an abrupt decrease as the flame disappeared
- Notes:
- Vendor supplied data
- Publisher Number:
- 2019-01-0556
- Access Restriction:
- Restricted for use by site license
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