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Solar Powered Paper Drying in Bangladesh: A feasibility study on using a solar thermalenergy to dry handmade paper in Bangladesh
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
2013 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Solar energy has a great potential to

give cheap and abundant energy to rural

areas of the world, but is the

technology ready to be implemented

today?

This stydy looked at the possibilities

to introduce more renewable energy

into the local hand-made paper

production in Bangladesh.

Specifically the potential of solar

heated vacuum tubes filled with water as

a heat carrier. This type of solar

thermal collectors are cheap to produce,

relatively efficient at converting both

direct and diffuse solar energy into

usable energy, and have a very simple

construction that do not require a lot

of training to handle.

The study showed that the collector

could convert about 70 % of the energy

from the sun into usable energy in the

form of hot water circulated in the

system. On average in Bangladesh the 5

m2 collector used is expected to have an

output of about 25.6 MJ per day (yearly

average) and about 4.8 MJ was needed to

evaporate 1 kg of water from the drying

papers (including the system losses).

This can be compared with the old system

that used about 8 MJ per kg water

evaporated.

Finally the study includes a step by

step guide into how to build a system

like this by locally available material.

The only parts that were imported were

some measurement equipment and parts of

the collector that was not yet available

through local distributors. The pump was

also not produced in Bangladesh, but a

similar pump could be bought by local

companies that import this type of

equipment.

Place, publisher, year, edition, pages
2013.
Series
UPTEC F, ISSN 1401-5757 ; 13041
Keyword [en]
Solar, Solar Power, Solar Drying, Drying Papers, Drying Paper, Drying, Paper, Bangladesh
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-210903OAI: oai:DiVA.org:uu-210903DiVA: diva2:664688
Educational program
Master Programme in Engineering Physics
Supervisors
Examiners
Available from: 2013-11-18 Created: 2013-11-15 Last updated: 2013-11-18Bibliographically approved

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