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Thermosiphon systems

SOLTRAIN Lesotho: Small Country, Big Accomplishments

Submitted by Baerbel Epp on March 17, 2017
In July 2013, the small country of Lesotho in southern Africa joined the SOLTRAIN project. Between then and the end of phase II of SOLTRAIN – the Southern African Solar Thermal Training and Demonstration Initiative – in February 2016, training courses were held, demonstration projects realised and awareness campaigns carried out. The Bethel Business and Community Development Centre (BBCDC), a commercial and technical school which is in a remote district of Lesotho and has 125 full-time students, has been the main partner organisation supporting these activities. Two solar water heaters at BBCDC, one thermosiphon and one pumped system, were installed during training courses (see photo). Obviously, this has raised awareness of the technology among all students learning and living at BBCDC, who use the solar-heated water every day. The efforts of the BBCDC won the school the Energy Globe Award Lesotho in 2014, 2015 and 2016. 
Photo: BBCDC
 

Mayor's Solar Founders' Circle Workshop for Assessors (2010)

Submitted by Raquel Ponte Costa on June 14, 2015

This presentation was created by Andy Walker of the National Renewable Energy Laboratory (NREL) for use by the San Francisco solar program. It focuses on solar installation safety practices and solar thermal technology, starting on p. 41.

Technical Guide for Architects and Designers: Thermosiphon Sytems for Single Family Houses (Chile- 2013).

Submitted by Francesco Gattiglio on September 15, 2014

This technical guide provides technical explanations for architects and designers on the preparation and installation of solar thermal systems of the thermosiphon type in single family houses. It provides information and technical criteria needed to choose the most suitable system of solar water heating for single family houses according several technical conditions. It investigates the architectural criteria, technical variables and technical specifications required for the integration of a thermosyphon solar thermal system in a typical domestic hot water installation of a single family house. The document includes a glossary providing explanation on different terms and techniques.

Brazil: low Income Multi-family House with individual Solar Water Heaters and Gas Back-up

Submitted by Baerbel Epp on March 12, 2011

 Thermosiphon systems in Rio de Janeiro” The cooperation project between the German Agency for International Cooperation (GIZ) and the federal housing bank CAIXA bears first fruits. A multi-family house in the Brazilian city of Rio de Janeiro with 496 units was equipped with one thermosiphon system each. This installation serves as a showcase for this kind of technology, as it is the first in Rio de Janeiro which uses gas instead of electricity as an auxiliary heating source.
Photo: GIZ

Design Process and Construction of a Solar Water Heater Operating by Thermosiphon (2006)

Submitted by Raquel Ponte Costa on December 9, 2010

This article, written by engineers from the Universidad Tecnologica de Pereira in Colombia, presents the design process and construction of a solar water heating collector for domestic consumption, operating by thermosiphon.

The processes explained in this article are based on the Colombian technical standards NTC 4368 and the NTC 2461.

The article details the mathematical design, selection of materials and process
construction.

Syria: „It is a crazy market“

Submitted by Baerbel Epp on July 5, 2010

 Nabil Kadi Kran” The pioneer of solar thermal technology in Syria: Nabil Kadi Kran started producing flat plate collectors and solar tanks in the Middle Eastern country 30 years ago. He recently had to cope with a decrease in his company's sales due to cheap imports of vacuum tube collector systems from China.
Photo: Bärbel Epp

South Africa: Harvesting the Sun with Western Cape’s Housing Project

Submitted by Baerbel Epp on March 11, 2010

 thermosiphon systems” Thermosiphon systems on the roofs of social housing blocks in South Africa: Almost all of the 210 flats that are part of the newly built housing project in Steenberg, a suburb of Cape Town, have been equipped with a solar water heater of local system supplier Hotmix (Pty) Ltd.
Photo: Bruce Sutherland / City of Cape Town

Mexico: 25,000 “Solar Roofs” Programme

Submitted by Baerbel Epp on October 1, 2009

 Mexico Solar Roofs Programme” Small thermosiphon systems are in the focus point of the new 25,000 Solar Roofs Programme of the German Agency for Technical Cooperation (GTZ) in Mexico.

Photo: GTZ Mexico

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