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In Senegal, Mali, Ecuador, Colombia, Peru, Honduras, Pakistan, The Netherlands, Nepal, Pakistan, Phillipinas and Honduras, I worked on issues related to renewable energy and energy saving.

In Pakistan high altitude areas I worked on the improvement of houses with regard to thermal insulation, smoke control, sanitation and eartquake engineering. 

In Nepal I worked on the technical improvement of Solar Water Heaters (SWH) in high altitude areas and the SWH branch development. The report gives a number of possible improvements for the mountain areas. 2.2MB, 31 pages.

In the Phillipinas I developed a solar dryer for  with auxiliary heating for 150 m3 sawn lumber.

In Nepal I worked on the design for biogas reactors for high altitude areas, the improvement of the existing Biogas Programme and the introduction on Low Leakage Urban Biogas Reactor (LLUBR), combining several technologies from Nepal, India and Europe.  Short introduction (2009: 6 pages, 0.6MB.)  Paper under review  with new information from ongoing sanitation project in India, Tamil Nadu.

In Honduras I assisted the Association of Small Entrepreneurs for the Construction of Hydro-Electric Power Plants in the restructuring of the business sector.

In the Phillipinas I designed a Solar Lumber Dryer for a timber products export company. Design specifications are reserved.

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In Nepal, in the AnnaPurna Nature Conservation Area and the Jomson valley, the performance of Solar Water Heaters was analysed and recommendations provided about their design and improved performance.

Brief analysis of the major problems of housing in high altituted areas such as the Himalayas of Pakistan, Nepal, India-Sikkim, Buthan, Tibet, Afghanistan and Tajikistan.  Applicable to all remote mountain areas and explaining basic technical solutions and limitations.

The series of PopwerPoint presentations will be expanded with specific information on all subjects mentioned.

Powerpoint Presentation about House Improvements in Himalayan Countries.

General, Introduction, Part 1.  29 pages, 3.14 MB  with selected photo's   Text for above file in separate file 107 KB.



Technical Working Paper 20a. How to make a Thin Heat Retention Bag (45 x 60 cm). Flat design with reflective foils.  12 pages,  1MB.

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Nepal-Phortse in the Himalayas. A Photo Voltaic element is beeing offered to villagers. The element is Chinese manufacture and comes with a battery box and CFL.