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Heat Storage

Steam Turbines for Solar Thermal Power Plants (2008)

Submitted by Hans Craen on June 3, 2009

This document from 2008 was put out by Siemens and it explains how their turbine technology can fit in concentrated solar power concepts. When surplus heat is stored in heat storage tanks, it can be used to extend the running hours on steam turbines during times without sun radiation.

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University of Colorado Solar Decathlon – Solar Thermal Water Heating is a Success (2002)

Submitted by Hans Craen on June 2, 2009

This document from 2002 goes over innovative collector technology and strategy for solar thermal water heating systems. For colder climates, they describe how evacuated tubes are more effective than traditional flat plate collectors. It has a flow chart to describe how the system is schemed.

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Field Evaluation of an Unglazed, Building-Integrated Solar Domestic Water Heating System

Submitted by Hans Craen on May 28, 2009

This study analyses the performance of roof-integrated, unglazed, solar thermal systems — one for space heating, one for domestic hot water, and a roof-integrated PV system.

This home built the solar systems with aesthetics in mind, and there is no visible evidence of the solar collectors from the outside of the house. Performance of the solar thermal system was monitored by measuring several temperatures and fluid flow rates.

Webinar: Compact Heat Storage- Recording and Slides

Submitted by Nigel Cotton on January 23, 2009

Date: Friday, January 23rd 2009 - 15:00 - Central European Time (Brussels)
Duration: 1 hour Moderator: S Ferreira
Title: Compact Thermal Energy Storage
Technologies: Status, Applications and Developments
Speaker: Wim van Helden (ECN)

 

More Research Needed for New Storage Materials

Submitted by Baerbel Epp on November 17, 2008

If solar energy is to be the primary or only source of heat for houses in the future, there will arise a need for storing it more efficiently. Materials have to be found that are able to hold more energy than water, but with less volume and higher loss. Task 32 of the International Energy Agency's (IEA) Solar & Cooling programme was working on this issue. The scientists presented their results at the Eurosun 2008 in Lisbon, at the beginning of October.

Fixed temperature thermosiphon system from India

Submitted by Baerbel Epp on October 2, 2008

thermosiphon system of Akson's SolarSolar water heater from India: The collector manufacturer Akson's Solar Equipments has launched the Akson Maestro system with the hot water tank positioned below the collector. Photo: Akson's Solar

Is there enough sunshine in all regions?

Submitted by Baerbel Epp on May 9, 2008

Solar thermal systems produce hot water whether the system is installed in Sweden, Germany, India, Tunisia or South America. The annual yield depends on the application (domestic hot water, pool heating, space heating), the local climatic conditions and system dimensioning (high or low solar fraction).

Which are the major solar thermal markets worldwide?

Submitted by Baerbel Epp on May 9, 2008

By far the largest solar thermal market in the world according to newly installed solar thermal capacity per year is China. In 2008, around 21 GWth (30 million m2) were sold in China, which was around 80 % of the world global solar thermal market.

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