Measurement of Electrical Conductivity for a Biomass Fire
Mphale, Kgakgamatso, and Heron, Mal (2008) Measurement of Electrical Conductivity for a Biomass Fire. International Journal of Molecular Sciences, 9 (8). pp. 1416-1423.
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Abstract
A controlled fire burner was constructed where various natural vegetation species could be used as fuel. The burner was equipped with thermocouples to measure fuel surface temperature and used as a cavity for microwaves with a laboratory quality 2- port vector network analyzer to determine electrical conductivity from S-parameters. Electrical conductivity for vegetation material flames is important for numerical prediction of flashover in high voltage power transmission faults research. Vegetation fires that burn under high voltage transmission lines reduce flashover voltage by increasing air electrical conductivity and temperature. Analyzer determined electrical conductivity ranged from 0.0058 - 0.0079 mho/m for a fire with a maximum temperature of 1240 K.
| Item ID: | 6461 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 1424-6783 |
| Keywords: | biomass; forest fires; flashover; thermal ionization; alkalis |
| Date Deposited: | 27 Mar 2010 06:22 |
| FoR Codes: | 10 TECHNOLOGY > 1005 Communications Technologies > 100505 Microwave and Millimetrewave Theory and Technology @ 50% 10 TECHNOLOGY > 1005 Communications Technologies > 100501 Antennas and Propagation @ 50% |
| SEO Codes: | 87 CONSTRUCTION > 8799 Other Construction > 879999 Construction not elsewhere classified @ 51% 86 MANUFACTURING > 8616 Computer Hardware and Electronic Equipment > 861603 Integrated Circuits and Devices @ 49% |
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