The Influences of Various Testing Conditions on the Evaluation of Household Biomass Pellet Fuel Combustion

Yixiang Zhang, Zongxi Zhang, Yuguang Zhou and Renjie Dong
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Yixiang Zhang: Bioenergy and Environment Science & Technology, College of Engineering, China Agricultural University, Beijing 100083, China
Zongxi Zhang: Bioenergy and Environment Science & Technology, College of Engineering, China Agricultural University, Beijing 100083, China
Yuguang Zhou: Bioenergy and Environment Science & Technology, College of Engineering, China Agricultural University, Beijing 100083, China
Renjie Dong: Bioenergy and Environment Science & Technology, College of Engineering, China Agricultural University, Beijing 100083, China

Energies, 2018, vol. 11, issue 5, 1-11

Abstract: Direct combustion of solid biomass fuel is one of the most common energy sources in developing countries. Evaluation of technology for household biomass pellet fuel combustion is critical, since promoting poorly designed devices may have risks due to exposure to high levels of emissions. This study evaluated the effects of various testing conditions on a top-lit forced-up-draft semi-gasifier cooking stove. An orthogonal test was designed with different fuel masses, chamber heights, air supply rates, and ending points. The investigation showed that using forced secondary air and more fuel tended to improve both thermal and gas emissions performance. The ending points did not have significant effects on thermal efficiency or the carbon dioxide emission factor, but did affect particulate matter emission. A relatively lower chamber height demonstrated better performance on thermal metrics. However, a taller flame had better performance on particulate matter emission factors. The results of the indicators reported by different bases, such as fuel mass-based or useful energy-based were also quite different. The study showed that different testing conditions had significant effects on combustion performances. Testing sequences and emission factors should be reviewed and defined clearly when forming testing methods and standards for biomass pellet fuel combustion.

Keywords: biomass pellet fuel; combustion evaluation; household cookstove; testing conditions; emission factors; thermal performance (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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