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Details of Grant 

EPSRC Reference: GR/J10006/01
Title: PEAK SEEKER CONTROL OF FUEL: AIR RATIO
Principal Investigator: Swithenbank, Professor J
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Pre Nexus Migration
Department: Mechanical Engineering
Organisation: University of Sheffield
Scheme: Standard Research (Pre-FEC)
Starts: 01 October 1993 Ends: 31 March 1996 Value (£): 105,620
EPSRC Research Topic Classifications:
Combustion
EPSRC Industrial Sector Classifications:
Energy
Related Grants:
Panel History:  
Summary on Grant Application Form
Our preliminary research has shown that the radiation from a flame is a strong function of air:fuel ratio. Research is now required to extend this knowledge to technically important combustion systems. A peak seeking control is able to respond to radiation signals from a flame and control the air:fuel ratio without needing calibration. Furthermore, its high speed of response suggests that is is applicable to some currently difficult industrial flame control problems such as low NOx burners and incinerators. The work will involve the following areas: (a) The first is a laboratory programme designed to investigate the concept of obtaining a control signal form the radiation emanating from the secondary air stage of a low NOx burner. In addition to the measurements of infra-red radiation, it is proposed that measurements be made of CH radical emission at 4300A. Emission from this radical is directly related to the local rate of heat release and much useful fundamental information can be acquired for little additional effort. (b) Due to the difficulty in building and operating a small scale incinerator the second phase of work involves making measurements on a full scale operating unit.
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Organisation Website: http://www.shef.ac.uk