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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Quantifying the Potential Impact of Improved Stoves in Nyeri County, Kenya

Boulkaid, Youssef January 2015 (has links)
Energy poverty is defined as the lack of access of households in developing countries to modern energy sources, and their consequent reliance on solid biomass fuels for cooking. So-called “Improved stoves” have been promoted by various public and private actors since the 1970s to tackle various environmental and health challenges associated with biomass use. Impact studies of such projects are usually based on on-site surveys about the stoves’ use, and thus are extremely site-specific, and difficultly generalizable. This thesis project aims to introduce a novel approach to impact assessment of improved cooking stoves on both local energy needs and deforestation in the area. This approach will base most of its figures and assumptions on calculated energy needs rather than survey reports. This will result in a highly flexible energy model, which can be used and adapted to help decision and policy makers in their function. The area of Nyeri County, Kenya, where the author completed a one-month field study, is used throughout the thesis as a case study in order to validate the model.
2

Use of Biochar Producing Cookstoves in Rural Kenya : Energy efficiency, air pollution concentrations and biochar production potential

Ranung, Siri, Ruud, Jessica January 2019 (has links)
Household air pollution annually kills around 14 300 people in Kenya, due to the hazardous smoke of incomplete combustion coming from inefficient stoves. Exposure to this smokeleads to lethal health issues for the women and children staying in these kitchens, but the smoke also leads to a contribution to global warming. Which makes it important finding are placement for the inefficient traditional cooking methods. This report presents results from a field work situated in Kibugu, Embu in central Kenya. It includes testing of three stoves, the traditional Three stone open fire and two biochar producing stoves, the previously tested stove Gastov made by KIRDI and the MiG|BioCooker made by Make It Green Solutions AB. The data was collected using participatory cooking tests where five households got to cook the traditional meal Ugali with Sukuma wiki and Githeri (maize and beans). Firewood consumption, emissions of CO and PM, user experience and char production were measured during the test, to be able to compare the stoves. The results indicate that the MiG|BioCooker can decrease the emissions of PM2.5 and CO in the kitchens and produce biochar. But on the other hand, cooking with three stone open fire more effective in terms of cooking time. Even though the MiG|BioCooker could improve the conditions of the household’s indoor air, the users seems to prioritize the practical characteristics of the three stone open fire that gives them more time and making it easier to cook. But with some modifications and by further use of the MiG|BioCooker, it might be apossible substitute to the three stone open fire in the future.
3

Adoption and sustained use of energy efficient stoves in rural Uganda

Hoigt, Julia January 2019 (has links)
In 2011, Energy saving (mud) stoves were introduced in villages around the Kachung Forestplantation in rural Uganda as part of an effort to support local sustainable development. Initial fieldwork showedthat the stoves had not been adopted as much as the apparent benefits would suggest. This has been a commonissue with improved cooking stove projects around the world. In order to find out why the stoves are notadopted, 67 women in charge of the cooking were interviewed additionally participant observations of cooking,other daily work routines and building stoves conducted, as well as interviews with other relevant stakeholders.Results show that women struggle to find enough firewood and are bothered by the smoke produced whencooking, which makes them generally very interested in improved mud stoves. Indeed many women hadadopted a local version of the mud stove in order to ease the burden of firewood collection. The reason for notadopting a mud stove in general can be mainly attributed to work burden in constructing it. As for the moresophisticated energy saving mud stoves introduced, additional factors were that the implementation strategyshows weaknesses in how the knowledge on how to build the stove is supposed to spread. Further, the stoveintroduced is rather complex in the way it is supposed to be built, which makes it difficult to spread theknowledge of how to build it. The implementation strategy needs to be revised under consideration of the localcircumstances in order to achieve a higher adoption rate.

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