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Natural Draft Biomass Gasifier Stove

Submitted by Erin Rasmussen on 28 February 2009 - 12:57pm
Last updated March 24, 2009
in

Design and Development of a Natural Draft Biomass Gasifier
R. Krishna Kumar February 28, 2009

Naturl Draft Gasifier - KumarNatural Draft Gasifier - Kumar

N D G - BASICS & PRINCIPLES

  • Operates under the principlle of “ Chimney Effectt ”
  • Natural draft caused by density difference

UNIQUE FEATURES COMPARED TO CONVENTIONAL SYSTEMS

  • No blower is required for the operation
  • Automatically takes the required quantity of air for Gasification
  • Convey the Producer Gas formed by Gasification - Naturally
  • Reduced fuel consumption compared to traditional chulas

More detail, schematic pictures and testing information are in the attached pdfs and in the 2004 discussion:
http://www.repp.org/discussiongroups/resources/stoves/kumar/ndg.htm

Dry Fuel Equivalent Calculator

Submitted by Tom Miles on 8 October 2007 - 8:59am
Last updated October 24, 2008
in

Dry Fuel Equivalent Calculator
Crispin and Nigel Pemberton-Pigott, October 2007

FLOWMETER + PRESSURE METER

Submitted by Jeff Davis on 12 June 2007 - 4:28pm
Last updated October 10, 2008
in
FLOWMETER + PRESSURE METER

A drawing for a pressure and flow meter by Frans Peters, an aid in fan design.

Basics on Combustion: Concepts and Calculations

Submitted by Tom Miles on 27 November 2006 - 10:44pm
Last updated January 10, 2008
in

Basics on Combustion: Concepts and Calculations
Kanchan Rai, Nepal July 2004

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Development of Improved Cookings Stoves for Mountain Areas of Nepal

Submitted by Tom Miles on 2 April 2006 - 5:15pm
Last updated November 27, 2006
in

High altitude smokeless metal stove research and development Kanchan Rai, A. Zahnd and J.K. Cannell, Boiling Point 51.

Development of Improved Cookings Stoves for Mountain Areas of Nepal, July 2004, Kanchan Rai, Research Development and Consultantcy (RDC) Unit Kathmandu University

Excel Spreadsheet for Chimney Draft Calculations

Submitted by Tom Miles on 2 April 2006 - 2:38pm
Last updated May 16, 2006
in

Crispin's Excel Spreadsheet for Chimney Draft Calculations, New Dawn Engineering, May 2005

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