Stove Designs

Two Stove Camps in India November 2004, Damon Ogle, Ken Goyer, Aprovecho, December 2004
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Richard Hill Stick Wood Furnace (pdf) and Emissions Tests (pdf) (1979-1980), Richard Hill, January 2005

Design Principles for Wood Burning Cook Stoves, Aprovecho Research Center, Partnership for Clean Indoor Air, Shell Foundation, June 2005 (1MB pdf)

Ethanol Stove:Development of Stove running on low ethanol concentration, June 2005 Anil Rajvanshi Nimbkar Agricultural Research Institute, Phaltan, Maharashtra, India

Only 17.5 % of all Indian homes use LPG as their primary cooking fuel, with 90 % of rural households dependent on some form of biomass. To improve the quality of life of such a large number of people, it is imperative that clean and renewable alternatives are provided for cooking. This paper presents one such. An ethanol stove running on 50 % ethanol-water mixture has been developed at Nimbkar Agricultural Research Institute (NARI). The stove allows easy flame regu-lation and gives an output similar to the conventionally-used LPG and kerosene stoves. Field tests conducted on the stove show that it is safe to use and very suitable for a typical rural household. In addition, the cost of using the ethanol stove is comparable to those of the conventional liquid fuel alternatives. However, for this stove to be a viable alternative certain policy issues have to be tackled. These have been suggested at the end of this paper.

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School cookstoves running on crop waste in North India
Ashden Cimate Care Award: NISHANT Bioenergy Consultancy, Chandigarh, Ramesh Kumar Nibhoria, July 2005

Uganda, How to Build the Improved Household Stoves: A construction guide for the Rocket - Lorena and Shielded Fire Stoves, Energy Advisory Project, GTZ, Uganda Ministry of Energy and Mineral Development, Peter Scott, July 2005

Biomass Fuel Gas Cooker (China gasifier stove Model JXQ-10A ) , Wattpower, Kevin Chisholm, Canada, July 2005a href="http://www.wattpower.com/wpindex6.html">

Tribal Waste Energy Recovery Plant "TWERP" gasifying water heater, Charles MacArthur, inventor, Tralchemy July 2005

Ten Stove Design Principles, Larry Winiarski, Dean Still, Aprovecho, August 2005

PROLENA - Nicaragua Stoves, Patrick Flynn, Trees Water and People, September 2005

Honduras Micro-Enterprise Stoves, Patrick Flynn, Trees Water and People, September 2005

Institutional Stoves in Southern Africa: Malawi Report 2005, Peter Scott, Aprovecho for GTZ/Probec North, October 2005. Includes many rocket plans and guides such as: 200L Brick Stove Plans, Design Guides, Quality Control Guide (xls), Institutional User Guide.

Institutional Stoves in Southern Africa: Malawi Report 2005, Peter Scott, Aprovecho for GTZ/Probec North, October 2005. Includes many rocket plans and guides such as: 200L Brick Stove Plans, Design Guides, Quality Control Guide (xls), Institutional User Guide.

Woodgas Stove With Computer Fans, and Project Report (In Spanish, pdf) Managua, Nicaragua, Nikolaus Foidl, October 2005

Woodgas Stove With Computer Fans, and Project Report (In Spanish, pdf) Managua, Nicaragua, Nikolaus Foidl, October 2005

MALAWI: Mdula (Modular Mbaula) Mud Stove, Rok Oblak, Chembe, Malawi, October 2005


Mdula stove


Stove Mold

BIO19 Gold Medal Winner

BIO19 Biennial of Industrial Design Ljubljana, Slovenia

I want to inform you, that the WWF Finland and UIAH (University of arts and design Helsinki) project: Mdula - biomass briquette stove intervention in Malawi has won the Gold Medal Award on BIO19, represented by international jury of: Aldo Cibic (ITA), Robin Edman, ICSID (SWE), Czeslawa Frejlich (POL), Stephen Hitchins, BEDA (GB), Ruth Klotzel, ICOGRADA (BRA).

The project was set in Helsinki in January 2003 and realised in Malawi (Chembe Village) in January 2004 and finished in Ljubljana in September 2004. The concept is based on the local people material knowlege, upgraded with technological aspects and design skills of us, students, working together in the same environment to improve the situation in the LMNP (Lake Malawi National Park). It is a two-year multidisciplinary based international students effort, how to gain as much improvements possible with the least intervention done in the environment, social and cultural lifestyle of the local people.

The result is a concept of production of a no-cost biomass briquette stove Mdula (modular Mbaula), made with a simple wooden mold and clay as a construction material.

The final model is based on 8 study models, many field testings and interaction with the local people. It uses biomass briquettes combined with woodfuel to make the stove as effective as possible with the same manipulating procedure as burning and using three-stone cooking formation. The project has intention only to gain a long-term result.

Designing Improved Wood Burning Heating Stoves (2 MB) Dean Still, Aprovecho, October 2005
nike air max 2009 red mahogany wood putty

Designing Improved Wood Burning Heating Stoves (2 MB) Dean Still, Aprovecho, October 2005
nike air max 2009 red mahogany wood putty

Mrs. Mary Kavita, Haybox Cooker, Makeweni, Kenya, Courtesy Richard Stanley, Legacy Foundation, November 2005

Construction of the Institutional Rocket Stove at Mahlanya - fuel magazine and combustion chamber Crispin Pemberton-Pigott, New Dawn Engineering, Swaziland, November 2005 (Animated GIF)

Armenia: Burning Manure and Plastic for Heat, Ken Goyer, Armenia, Aprovecho Research Institute, November 2005

Dislocated Elbow Rocket Stove, Crispin Pemberton-Pigott, New Dawn Engineering, Swaziland, November 2005

Draft Stove Specifications, Kevin Chisholm, December 2005

Henya Stove Update October 2005,Richard Henya Njagu, Kamangu Village, Kikuyu, Kenya, December 2005

A nice article on the stoves is here: http://www.worldchanging.com/archives/001781.html

Project Gaia Research Studies in Ethiopia, Jim Murren, Stokes Consulting Group February 2006

Development of Tobacco Rocket Barn for Small Holder Farmers in Malawi: A collaboration of ProBEC/GTZ, Limbe Leaf and Aprovecho, Peter Scott January 2006

12 Rules for Rocket Stove Combustion in Mandarin Mandarin Chinese Bryan Willson, January 2006
【正規品】最新のナイキ メンズ レディース スニーカー通販

12 Rules for Rocket Stove Combustion in Mandarin Mandarin Chinese Bryan Willson, January 2006
【正規品】最新のナイキ メンズ レディース スニーカー通販

Ten Design Principles for Wood Burning Stoves (pdf), Larry Winiarski, Dean Still, Aprovecho, August 2005 (Other Translations Welcome!)

Rules for Rocket Stove Combustion in
English, Spanish,
Turkish,
Kurdish,
Armenian,
Russian and
Tagalog
Ken Goyer, January 2006 (Other Translations Welcome!)

Heat Flux Report January 2006, Dale Andreatta, January 2006

Introduction
Omega Engineering makes a small heat flux sensor, a thin device about 25 mm by 25 mm
with 40 embedded thermocouples, which puts out a voltage proportional to the heat flux
through the device. This device was used to perform a series of experiments designed to
begin to answer the following questions:

  1. In a cooking pot that is being heated, where does the heat enter the pot, the bottom
  2. center, bottom edges, the sides, or uniformly?
  3. How much of the heat is transferred through radiation vs. how much of the heat is
  4. transferred through convection?
  5. Can one measure the temperature distributions in the gas around the pot, and can
  6. anything be learned about the heat transfer from these temperature distributions?
  7. Can the heat flux sensor be used to determine the effectiveness of skirts?

Heat flux is defined as heat flow per unit area, and the units are Watts/m2. Another
concept is heat flow, which is the total amount of heat being moved, in Watts. Heat flow
is the integral of the heat flux over the total area, or in other words, the average heat flux times the total area.
In science, it is often useful to compare the conclusions and results with conclusions
drawn from other measurements. If the measurements are consistent, this gives us
confidence that the measurements are accurate. If the measurements are not consistent,
the results may be reported, but the inconsistencies must also be pointed out. In this
report, a rigorous effort will be made to find inconsistencies, both within the data that
was measured, and in comparison with other data that was previously measured.

For more detail, see the attached report:
http://www.bioenergylists.org/files/Heat_Flux_Report_January_2006.pdf

Heat Flux Report January 2006, Dale Andreatta, January 2006

Introduction
Omega Engineering makes a small heat flux sensor, a thin device about 25 mm by 25 mm
with 40 embedded thermocouples, which puts out a voltage proportional to the heat flux
through the device. This device was used to perform a series of experiments designed to
begin to answer the following questions:

  1. In a cooking pot that is being heated, where does the heat enter the pot, the bottom
  2. center, bottom edges, the sides, or uniformly?
  3. How much of the heat is transferred through radiation vs. how much of the heat is
  4. transferred through convection?
  5. Can one measure the temperature distributions in the gas around the pot, and can
  6. anything be learned about the heat transfer from these temperature distributions?
  7. Can the heat flux sensor be used to determine the effectiveness of skirts?

Heat flux is defined as heat flow per unit area, and the units are Watts/m2. Another
concept is heat flow, which is the total amount of heat being moved, in Watts. Heat flow
is the integral of the heat flux over the total area, or in other words, the average heat flux times the total area.
In science, it is often useful to compare the conclusions and results with conclusions
drawn from other measurements. If the measurements are consistent, this gives us
confidence that the measurements are accurate. If the measurements are not consistent,
the results may be reported, but the inconsistencies must also be pointed out. In this
report, a rigorous effort will be made to find inconsistencies, both within the data that
was measured, and in comparison with other data that was previously measured.

For more detail, see the attached report:
http://www.bioenergylists.org/files/Heat_Flux_Report_January_2006.pdf

Kilns and Brick Making, A Rough Draft (2.3 MB pdf), Ken Goyer, March, 2006

Ken Goyer has posted a 2.3 MB pdf document on the stoves site titled "Kilns and Brick Making, A Rough Draft". While it may be work in progress it illustrates a lot that we need to learn about brick making to accelerate stove construction. Many thanks to Ken.

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