Biomass Cookstove Design and Testing
Design Principles and Types of Stoves and Food Warmers
Design Principles
- Stove Gap Calculator (Excel Spreadsheet and Description), Crispin Pemberton-Pigott, New Dawn Engineering, Swaziland, March 2006
- Ten Stove Design Principles, Larry Winiarski, Dean Still, Aprovecho, August 2005
- Design Principles for Wood Burning Cook Stoves, Aprovecho Research Center, Partnership for Clean Indoor Air, Shell Foundation, June 2005 (1MB pdf)
- Design Development and Types of Stoves (RWEDP)
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- Cooking Stove Improvements: Design for Remote High Altitude Areas Dolpa Region Nepal, Sjoerd Nienhuys April 2005
- Crispin's Excel Spreadsheet for Chimney Draft Calculations, New Dawn Engineering, May 2005
- The NEW PDI- Family Cooker (Pakistan Design Institute -Family Cooker), Chris Adam, May 2005
- Instructions for Building a VITA Stove by Samuel F. Baldwin, 1987, Dean Still May 2005
- Richard Hill Stick Wood Furnace and Emissions Tests (1979-1980), Richard Hill, January 2005
- Hayboxes or Fireless Cookers (October 2003)
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- Grates Improve Efficiency, Dean Still, April 24, 2003
- Improved Combustion (Rocket Stove)
- Gasification (Wood Gas or Turbo Stove)
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Rocket Stove Design Guides (Malawi 2005), Peter Scott, Aprovecho
- 2 sets of Stove Plans:
- 2 Excel design guides:
- 2 stove design guides (Microsoft word):
- 1 design guide for Pot development: (note: this is made for producing pots from stainless steel sheets i250 by 2500 mm)
- 100L and 200L Pot development design Guide
- Quality Control Guide for Stove Producers
- Institutional User Guide
Materials and Manufacturing Techniques
- Mud
- Ceramic and Concrete:
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- Durability of Insulating Bricks and Ceramic Stoves, Discussion September 2005
- Ecofogao/Ecostove Brochure, Stuart Conway, Trees Water and People, April 2005
- Practical Tips For Potters Making Improved Cooking Stoves
- Ceramic Charcoal Making Cookstove Richard Boyt and Ron Larson June 2003
- Ceramics for Cookstoves
- Specific Thermal Resistance of Various Materials, Roberto Escardo (May 2003)
- Heat loss from stoves: Thermal properties of insulative bricks Overall heat losses Dale Andreatta (April 2003)
- How to Make a Portable Clay Stove IFPS Malawi/GTZ ProBEC (February 2003)
- How to construct a kiln for clay stove firing Christa Roth, IFPS Malawi (February 2003)
- The Onil Stove, Don Oneal 2005
- Autoclaved Aerated Concrete (AAC)
- Ceramics, Clay and Insulating Brick
- Making Insulative Clay Combustion Chambers slide show, Dean Still, Aprovecho March 2003
- Using Pumice to Make Lightweight Ceramics in El Salvador Damon Ogle, March 31, 2003
- MAKING LIGHT WEIGHT REFRACTORY CERAMIC FROM PERLITE AND CLAY Damon Ogle Jan 13, 2003
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- The Effect of Material Choice on the Combustion Chamber of a Rocket Cooking Stove: Adobe, Common Brick, Vernacular Insulative Ceramic, and Guatemalan Floor Tile (Baldosa) Dean Still and Brad van Appel January 1, 2002
- HELPS Plancha Stove Jutiaupa Mod With Inverted Pyramid Don O'Neal March 2003
- Ron Larson's Questions and Answers March 2003
- Making Baldosa Tiles for HELPS Stoves in Guatemala Don O'Neal Feb 3 2003
- Status and Development Issues of the Brick Industry in Asia RWEDP Field Document No.35, 1993
- Stone or brick
- Refractory, Lightweight ceramic refractory
- Metal:
Standards and Performance Testing: Field and Laboratory
Cookstoves Testing
ETHOS/APROVECHO TESTS
- Stove Camp Results and Photos, Dean Still, Aprovecho/ETHOS, August 2005
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- Cookstove Efficiency Report, Dale Andreatta, January 2005
- ETHOS Stoves Summer Camp Report 2004, Dean Still ,September 2004
- Emissions Testing Hood, Aprovecho, Dean Still, February 2004
- Summary and Results (pdf) from the Seminar, Dean Still (June 18, 2003) (HTML)
- ETHOS Stove Design and Testing Seminar June 2-6, 2003, Aprovecho Research Center, Oregon
- Stoves Tests: (Cookstove.net) Piet Visser March 2003
- ARECOP/RWEDP Improved Solid Biomass Burning Cookstoves: A Development Manual RWEDP
- China State Standard in Chinese Fuel Saving Stoves: A Compendium Field Document No.40, July 1993 RWEDP
Field Test Reports
Developed Country Heating Appliances
Testing Laboratories
Emissions Testing
- Indoor air quality
- Flue gas
Glossary of Energy Terms
- Cookstoves Terms
- Foods and Cooking Terms
- Energy Glossary (Sempraglobal)
Domestic Stoves (RWEDP)
- Open and three-stone fireplaces
- Solid stoves with or without chimney
- Portable ceramic or pottery stoves
- Portable metal stoves
- Portable ceramic/metal stoves
Institutional Stoves
- Open and three-stone fireplaces
- Solid and metal stoves with or without chimney
- Metal woodstoves with insulation liner and chimney
- Metal gas stove
Thermodynamics
- Fuels
- Air
- Combustion Products
Models
Design Objectives
- Health: Reduce Smoke
- Health: Use chimney
- Health: No chimney
- Prestige, Aesthetic Value
- Reduce Cooking Time
- Fuel Gathering Time
- Save Fuel
- High heat
- Low heat long cook: good turndown
- Make charcoal
- Dense or prepared fuel (small sticks, briquettes) or charcoal
- Low density bulky fuel (straw, leaves)
- Loose bulk fuel (rice husk)
- Hot water for sanitary use
- Mass production - low cost
- Use local materials and skills - clay
User Needs
- Urban, scarce fuel
- Rural
- Fuel type: forest residue, crop residue, dung cake, prepared fuel
- Food type
- Special Food
- Special use: silk - boil cocoon
- Improve traditional design
Fuel Characteristics
- Type
- Moisture
- Size
- Density
- Composition, ash
Improved Cookstove Designs, Examples
- Mud stoves: Lorena or Magan Chulha.
- Ceramic stoves: Chitetso Mbaula, Upesi or Anagi, Maendeleo, Justa
- Metal stoves: Kenya Ceramic Jiko (KCJ)
Testing: Field and Laboratory
Test Objectives:
- Suitability/Acceptance
- Safety
- Emissions and Health
- Ambient
- Burner
- Energy Efficiency
- Cooking
- Heating
- Gasification
- Combustion
- Air Flow
- Emissions
- Economics, social benefits
- Design or selection decision tree