Performance, Emissions, and Suitability for Mass Production of an Updraft Biomass Gasifier Cookstove: An Experimental Study DOI Open Access

Tsapi Kevin,

Ndansak Saam,

Bertin Fotsing

и другие.

International Journal of Mechanical Engineering and Applications, Год журнала: 2025, Номер 13(2), С. 63 - 72

Опубликована: Март 7, 2025

In Cameroon, renewable energy promotion is a key strategy for improving security and fostering employment opportunities. This study evaluates the performance, emission levels, suitability mass production of novel updraft gasifier biomass cookstove. The assessment, conducted using WBT 4.2.3 protocol, focused on thermal efficiency, carbon monoxide (CO) emissions, particulate matter (PM<sub>2.5</sub>) safety, in accordance with ISO/IWA Tier 4 standards. PM<sub>2.5 </sub>emissions were prioritised due to their significant health impacts. A Multiple Criteria Decision Analysis (MCDA) was used assess cookstove's potential production, considering criteria such as manufacturability, scalability, fuel savings, usability, durability, maintainability, portability, cost/affordability, weight, space, cultural acceptability. Results showed that stove achieved 2 efficiency (≈25%). Indoor air quality tests revealed CO emissions at both low high power, while PM<sub>2.5</sub> met 3 power power. safety score 59/100, corresponding 1. Compared traditional 3-stone fire, demonstrated superior indoor quality, specific consumption, safety. MCDA evaluation, ranked second among five models, confirming its commercial-scale although continuous improvement required. highlights first cookstove tested Cameroon contribute sustainable solutions.

Язык: Английский

Effect of a novel house (Star home) and toilet design on domestic fly densities in rural Tanzania DOI Creative Commons
Arnold S. Mmbando,

Amos J. Ngonzi,

Salum Mshamu

и другие.

Parasites & Vectors, Год журнала: 2025, Номер 18(1)

Опубликована: Март 14, 2025

Abstract Background Diarrhoeal disease is the third leading cause of death in children under 5 years old with domestic flies acting as important mechanical vectors diarrhoeal pathogens. To assess effectiveness a novel house design, “Star home”, and improved toilets reducing abundance flies, potential carriers pathogens, randomized controlled trial was carried out rural Tanzania. Methods Domestic fly populations were monitored 28 randomly selected Star homes traditional thatched roofs mud-walled houses over 2 from January 2022 to December 2023. Flies sampled kitchens using baited-fly traps 07.00 h 17.30 every 7 weeks. production toilets, placed drop holes collect emerging flies. Duration external door openings recorded data loggers. Findings Of 1527 collected, 76% Chrysomya putoria , 16% Musca domestica 8% Sarcophaga spp. In kitchen collections, there 46% fewer C. [adjusted mean rate ratio (RR) = 0.54] 69% (RR 0.31) compared houses. There no difference M. two study groups. 49% 0.51), but observed for other species. No emerged home 4.2 flies/trap/day toilets. During day, doors od open an average 13.0 min/h less than Conclusions reduced apart houseflies, putative vector diseases, Changing design buildings can contribute decline may lead reduction diseases. Graphical

Язык: Английский

Процитировано

0

Performance, Emissions, and Suitability for Mass Production of an Updraft Biomass Gasifier Cookstove: An Experimental Study DOI Open Access

Tsapi Kevin,

Ndansak Saam,

Bertin Fotsing

и другие.

International Journal of Mechanical Engineering and Applications, Год журнала: 2025, Номер 13(2), С. 63 - 72

Опубликована: Март 7, 2025

In Cameroon, renewable energy promotion is a key strategy for improving security and fostering employment opportunities. This study evaluates the performance, emission levels, suitability mass production of novel updraft gasifier biomass cookstove. The assessment, conducted using WBT 4.2.3 protocol, focused on thermal efficiency, carbon monoxide (CO) emissions, particulate matter (PM<sub>2.5</sub>) safety, in accordance with ISO/IWA Tier 4 standards. PM<sub>2.5 </sub>emissions were prioritised due to their significant health impacts. A Multiple Criteria Decision Analysis (MCDA) was used assess cookstove's potential production, considering criteria such as manufacturability, scalability, fuel savings, usability, durability, maintainability, portability, cost/affordability, weight, space, cultural acceptability. Results showed that stove achieved 2 efficiency (≈25%). Indoor air quality tests revealed CO emissions at both low high power, while PM<sub>2.5</sub> met 3 power power. safety score 59/100, corresponding 1. Compared traditional 3-stone fire, demonstrated superior indoor quality, specific consumption, safety. MCDA evaluation, ranked second among five models, confirming its commercial-scale although continuous improvement required. highlights first cookstove tested Cameroon contribute sustainable solutions.

Язык: Английский

Процитировано

0