Cooking and lighting habits in rural Nepal and Uganda

Sánchez, Teodoro; Dennis, Ronald; Pullen, Keith

doi:10.1177/0957650913498872

Cited by 15 publications

(19 citation statements)

References 4 publications

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“…Work in rural Nepal and Uganda [23] has shown that low cost is essential for acceptability by the local people. To meet the low cost target, the Score-Stove requires much more research and is currently too expensive for single household use, although work on affordability [6] and recent trials in Nepal by Kathmandu University [24] have shown that the cost targets are not as onerous as first thought.…”

Section: Methodsmentioning

confidence: 99%

Performance of an Electricity-Generating Cooking Stove with Pressurized Kerosene Burner

Ehsan

Sarker

Mahmud

et al. 2015

Procedia Engineering

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A clean-burning cooking stove that also generates electricity (The Score-Stove TM ) was modified to enable evaluations to take place in 3 regions of Bangladesh. Using the principle of thermo-acoustics to generate electricity it can supply power for applications such as -LED lighting, mobile phone charging and radios particularly in rural areas without grid electricity. After assessing the needs of the rural communities through a survey, tea-stalls and small restaurants owners were identified as people with the most potential of using the Stove in Bangladesh. The Bangladesh University of Engineering and Technology ((BUET) modified a Score-Stove to use both wood and a pressurised kerosene burner of a design that is widely used for cooking in rural areas of Bangladesh. The design was adapted to meet performance needs such as: heating rate, cooking efficiency, energy distribution, electric power generation, exhaust emissions and time taken to boil water using standardised water boiling tests. Performance was also compared with conventional (non-electrically generating) stoves that use a pressurised kerosene burner. A stove suitable to be demonstrated was developed to obtain feedback from some end-users for evaluation. Effects of the technical changes to the stove required for field trials and laboratory experimental results are presented. Technical deficiencies are documented and recommendations for improvements and future research in order to obtain wider end-user acceptance are made.

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Section: Methodsmentioning

confidence: 99%

Performance of an Electricity-Generating Cooking Stove with Pressurized Kerosene Burner

Ehsan

Sarker

Mahmud

et al. 2015

Procedia Engineering

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“…A century later Lord Rayleigh explained the phenomenon qualitatively [15], in the 1960s'. From then until the 1990's others progressed understanding [16] [17] until progress became much more rapid through the theoretical work of Swift [18] at Los Alamos laboratories [19] and the practical realizations of deBlok from Aster [20]. Figure 1 below shows the basic components of a dual full wavelength, looped tube travelling wave engine as used in the Score-Stove™.…”

Section: Background and Working Principlementioning

confidence: 99%

Performance of a Score-Stove with a Kerosene Burner and the Effect of Pressurization of the Working Fluid

Ehsan

Sarker²,

Mahmud³

et al. 2015

JPEE

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Score-Stove TM a clean-burning cooking stove that also generates electricity was tested using a pressurized kerosene burner. The Score-Stove works on the principle of thermo-acoustics to generate small-scale electricity. The device having hot-end, cold-end and regenerator acts in a way similar to a stirling cycle generating acoustic power, which is then converted to electricity using a linear actuator. It can supply small power for applications such as LED lighting, mobile phone charging and radios particularly in rural areas without grid electricity as well as improving household air pollution. After assessing the needs of the rural communities through a survey, tea-stalls and small restaurants owners were identified as clients with the most potential of using the stove in Bangladesh. Bangladesh University of Engineering and Technology ((BUET) modified a Score-Stove to use both wood and a pressurized kerosene burner of a design that is widely used for cooking in rural areas of Bangladesh. The design was adapted to meet performance needs such as: heating rate, cooking efficiency, energy distribution, electric power generation, exhaust emissions and time taken to boil water using standardized water boiling tests. Performance was also compared with conventional (non-electrically generating) stoves that use a pressurized kerosene burner. The Score-Stove performance was then evaluated while increasing the pressure of the sealed working fluid (air in this case) from atmospheric to about 1.4 bar. The pressurization was found to almost double the power generation. An arrangement for utilizing cooling water waste heat was also devised in order to improve the thermal performance of the stove by 18%. Technical deficiencies are documented and recommendations for improvements and future research in order to obtain wider end-user acceptance are made.

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“…Based on the social science research, 10,11 the current cost of a device, capable of producing 25 W peak electrical power for a family dwelling, is around 500 USD (275 GBP) -this is typically based on application of thermoelectric devices. However it is also clear that an acceptable price level is actually an order of magnitude lower: 50 USD (27.5 GBP) for a 25 W device, and of course proportionally more for higher powers.…”

Section: Introductionmentioning

confidence: 99%

“…The work is also going to ensure that in the long term the devices are acceptable at a technological, economic and social level and that there is a sufficient scope for the communities to develop numerous businesses from the manufacture, repair and innovative applications of SCORE. Naturally, such a complex project needs to be broken down into smaller tasks including: (i) social science studies, and in particular identifying the energy needs of the communities concerned 10,11 ; (ii) design of the stove 12 ; (iii) development of the thermoacoustic electricity generator; and (iv) development of the thermoacoustic refrigeration technologies. The final step will have to be the integration of various subsystems into one device.…”

Section: Introductionmentioning

confidence: 99%

Development of thermoacoustic devices for power generation and refrigeration

Jaworski

Mao

2013

Proceedings of the Institution of Mechanical Engineers, Part A:

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This paper is intended as a technical overview of the research and development work initially undertaken at the University of Manchester and subsequently transferred to the University of Leicester as part of the EPSRC-funded SCORE project (Stove for Cooking, Refrigeration and Electricity supply). The objectives of the work were twofold: Firstly, to develop an early demonstrator of a low-power electricity generator (to deliver approximately 10-20 W of electricity). This was to be based on the concept of using low-cost materials, working fluids and linear alternators suitable for deployment in rural areas of developing countries. The issues of concern here were the development of a suitable thermoacoustic engine topology and control measures; design of suitable heat exchanger configurations from initial use of electrical heaters to heat input through propane combustion; and characterisation of commercial loudspeakers to work as linear alternators and subsequent incorporation of selected models for engine prototyping purposes. These matters will be illustrated by a number of demonstrators and their testing in the laboratory environment. Secondly, to develop a demonstrator of a combustion driven thermoacoustic cooler for storage of vital medical supplies in remote and rural areas where there is no access to electricity grid. To this end, the paper will describe the design, construction and test results of an electrically driven demonstrator of a standing wave thermoacoustic engine coupled to a travelling wave thermoacoustic cooler. The final part of the paper will summarise the achievements to date and outline future work that has spun out from the original SCORE project. This will in particular include the current work on a scaled up version of electricity generator designed to deliver 100 W of electricity by using a two-stage engine configuration and the issues of integration of the thermoacoustic electricity generator and thermoacoustic cooler into one system.

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Cooking and lighting habits in rural Nepal and Uganda

Abstract: This is the unspecified version of the paper.This version of the publication may differ from the final published version. Permanent repository link:

Cited by 15 publications

References 4 publications

Performance of an Electricity-Generating Cooking Stove with Pressurized Kerosene Burner

Performance of an Electricity-Generating Cooking Stove with Pressurized Kerosene Burner

Performance of a Score-Stove with a Kerosene Burner and the Effect of Pressurization of the Working Fluid

Development of thermoacoustic devices for power generation and refrigeration

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