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Feasibility study: Designing, fabricating, and testing an extended surface heat plate accessory to improve biomass cookstove performance

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Title
Feasibility study: Designing, fabricating, and testing an extended surface heat plate accessory to improve biomass cookstove performance
Main author (HEDON member)
danielzube@gmail.com
Coauthor - I (HEDON member)
Morgan.DeFoort@colostate.edu
Abstract
This study investigates the feasibility of an extended surface heat plate accessory as a low-cost alternative to a finned pot used on cookstoves in the developing world. The objective of the heat plate is to improve heat transfer efficiency, which must be understood by examining the three governing principles of operation for such a device: contact resistance, thermal capacitance, and surface area. From here, a theoretical performance model is developed, validated, and used as a tool to predict and evaluate different heat plate designs. A more realistic contact resistance value is then quantified through experimentation and used in the performance model to determine the best manufacturing process to replicate for prototype fabrication. A working prototype heat plate is fabricated, tested, and evaluated based upon established test protocol and performance metrics. Test results further validate the theoretical model and show improved heat transfer efficiency during the low power simmer phase of the water boil test, resulting in reduced fuel usage. This research establishes useful guidelines for stove designers seeking to improve heat transfer in applications where contact resistance, thermal capacitance, and surface area of the cooking surface are of concern.
Affiliation
Colorado State University Engines and Energy Conversion Laboratory, Envirofit International, Shell Foundation
Journal Section
General Articles

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Issue
61
Pdf version
Download Boiling Point 61_Colarado State University.pdf
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Submitter
mohamed@hedon.info

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Technologies
010 Stoves
Testing
Service type
012 Cooking
Project design
Replicability And Upscaling
Themes
Health
Int'l Development
Location: continent
Global
Keywords
Biomass Cookstove Design    Heat Transfer Efficiency    Contact Resistance    Thermal Capacitance    Thermal Mass    Surface Area   

Article body in English

Page name EN
BP61Feasibilitystudyofextendedsurfaceheatplate


  • A practitioner's journal on household energy, stoves and poverty reduction.



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