Energetic performance of a top-lit updraft (TLUD) cookstove

Francis, Okey; Ezeoha, Sunday Louis; Okorie, Ifeanyichukwu Christian

doi:10.1016/j.renene.2016.07.060

Cited by 39 publications

(14 citation statements)

References 19 publications

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“…The cook-stove efficiencies for coconut shell and palm kernel shell were 16.85% and 15.85% respectively. Study by [22] reported that the performance of a top-lit updraft stove using wood chips as fuel was better than coconut shells which is in line with observations made in this study.…”

Section: Performance Evaluation Of Cook-stovesupporting

confidence: 91%

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2018

ETRJ

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The use of biomass is becoming increasingly important as an alternative energy resource, particularly for developing countries. The conversion of solid biomass to gaseous forms by the use of gasifiers has some prospects for domestic and industrial utilization. Improved cook-stoves based on gasification are considered to be costeffective means of energy supply to households for cooking. In this study, four biomass fuelswood chips, corn cobs, coconut shells and palm kernel shellswere characterized and used to carry out a performance evaluation of an inverted downdraft biomass gasifier cook-stove. The performance evaluation showed that all fuels used were suitable for the operation of the cook-stove with wood chips having the best performance. The efficiency of the stove varied with the fuel used with the maximum efficiency of the cook-stove being 20.76%. The fuel consumption rate of the cook-stove for utilization of the biomass fuels ranged between 1.60 to 1.82 kg/hr. The specific gasification rate also ranged between 85.89 and 102.25 kg/m 2 hr.

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Section: Performance Evaluation Of Cook-stovesupporting

confidence: 91%

“…Study [22] investigated the performance of a top-lit updraft cook-stove using wood chips, coconut shell and rice husk briquettes using a water boiling test and controlled cooking test. The study observed that the cook-stove was significantly influenced by the type of fuel used.…”

Section: Introductionmentioning

confidence: 99%

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2018

ETRJ

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“…The development and implementation of advanced biomass cookstoves are explored and promoted, the cookstoves are based on gasification with a subsequent combustion of the producer gas. The adaptation of the gasification process at a lower scale (<20 kW th ) for biomass cookstoves, whose efficiency might be ≥25%, is a useful application of sources of renewable energy to the everyday context . The main product of the gasification-based or top-lit updraft (TLUD) cookstoves is the fuel gas, whose thermochemical process is conducted similarly to the downdraft reactors .…”

Section: Introductionmentioning

confidence: 99%

Parametric Analysis of a Gasification-Based Cookstove as a Function of Biomass Density, Gasification Behavior, Airflow Ratio, and Design

2022

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The energy performance and emissions (carbon monoxide and total suspended particulate matter) of a biomass gasification-based cookstove under a modified water boiling test (WBT 4.2.3 protocol) were characterized here. The controllable process parameters analyzed were the biomass bulk density (pelletsWP and chipsWCH) and the combustion-air/gasification-air ratio (2.8, 3.0, and 3.2). Moreover, a design parameter of the cookstove was analyzed through two combustion chamber designs (combustion chambers 1 and 2). The cookstove was characterized in detail considering the complete cookstove (control volume 1), the combustion chamber (control volume 2), and the gasification process (control volume 3). The cookstove reached an average efficiency of 25.2% for pellets and 24.1% for chips. The best behavior for the cookstove was achieved when pellets were used, which is attributed to their higher bulk density and to the fact that during their gasification process, the biochar yield was 12% higher, while the biomass consumption decreased by 16% compared to the chips. The carbon monoxide specific emissions were 2.78 g/MJd for pellets and 2.75 g/MJd for chips. On average, the cookstove released total suspended particulate matter between 74.11 and 122.70 mg/MJd. The cookstove low emissions are ascribed to the proper combustion air flow and the combustion chamber design, which favored the mixing between producer gas and combustion air.

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“…the study investigated the performance of a top-lit updraft (TLUD) cookstove using three different fuel types e wood chips, coconut shell, and rice husk briquettes. It was observed that the type of fuel used significantly influenced (p < 0.05) the performance of the cookstove [9]. Syngas consists mainly of CO and H2, are obtained from the gasification process through feedstock such as biomass, coal, refinery residual, organic waste, and municipal waste [10].…”

Section: Introductionmentioning

confidence: 99%

Bio-pellets Manufacture from Palm Fruit Skin as Renewable Alternative Fuels in Updraft Type Gasification Furnaces

Abdurrahman¹,

Syafitri²,

Ridwan³

et al. 2020

IJDNE

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Biomass is a suitable alternative to be used as fuel, but the use of biomass without prior processing can cause respiratory disease. In Indragiri Hilir Regency, the utilization of palm fruit skin waste is still minimal. Bio-pellet is a fuel derived from biomass waste that has gone through a densification process. The process of making bio-pellets is carried out by refining the raw materials, mixing the adhesives, printing the raw materials that are pressed under high pressure, and drying. The results of the research on the bio-pellet characteristic test of Nipah fruit peel waste according to its parameters obtained an average value of 1.28% water content, 0.51% ash content, 21.3% flying substance content, 76.88% bound carbon content and weight. type 1.41 gr / cm3. For the combustion test in the updraft type gasification furnace with the addition of 0.5kg, 0.3kg and 0.2kg of fuel, the results obtained from the rate of fuel consumption are 0.041kg / minute, 0.033kg / minute and 0.033kg respectively. /minute. In the results of combustion efficiency, the value according to SNI 7926: 2013 is the addition of 0.5kg of fuel at the beginning of ignition and 0.2 kg at the end of ignition, which is 0.04.

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Energetic performance of a top-lit updraft (TLUD) cookstove

Cited by 39 publications

References 19 publications

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Parametric Analysis of a Gasification-Based Cookstove as a Function of Biomass Density, Gasification Behavior, Airflow Ratio, and Design

Bio-pellets Manufacture from Palm Fruit Skin as Renewable Alternative Fuels in Updraft Type Gasification Furnaces

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