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evacuated tube collectors

India: Three New Standards – One Each for Vacuum Tube Collectors, Storage Tanks and Complete Systems

Submitted by Baerbel Epp on August 25, 2016
BIS VTC IndiaThe Bureau of Indian Standards (BIS) has published new regulations on all-glass evacuated solar collector tubes and related storage tanks of non-concentrating solar collector systems. Indian Standard (IS) 16542 : 2016 describes the storage tank’s specifications, IS 16543 : 2016 names the ones for tubes, and IS 16544 : 2016 covers the ones for complete systems. To obtain the three new standards, a company or individual will have to purchase them at BIS. Once the government notification has been published, all three will become mandatory and require that each tube or storage tank should carry the standard’s mark in addition to the manufacturer’s trademark and the batch number or date of manufacture. A transition period is to be set by the Ministry of New and Renewable Energy (MNRE). The photo shows vacuum tube systems on the roof of a block of flats in Kolkata city in eastern India.
Photo: Jaideep Malaviya
 

Factsheet: Commercial Solar Water Heating (2013)

Submitted by Raquel Ponte Costa on June 14, 2015

This factsheet was created and published by the San Francisco Department of the Environment (SF Environment). It provides information for businesses on how they can benefit from solar thermal water heating, and take advantage of incentives for solar thermal. More information on solar thermal incentives can be found here.

Solar Thermal Collector Market in IEA Member Countries (2002)

Submitted by Raquel Ponte Costa on June 13, 2015

This was a study prepared by the International Energy Agency (IEA) in 2002. The study documented the collector areas previously installed in the 22 IEA member countries and to identify the contribution of solar plants to the supply of energy and how it cut down on CO2 emissions. It has all the member countries listed with the total collector area, for different types of solar thermal systems, with energy savings equivalent.

Active Solar Systems: ENGS-44 Course on Sustainable Design (2014)

Submitted by Raquel Ponte Costa on February 19, 2015

This presentation on active solar systems was given during a course on sustainable design by Benoit Cushman-Roisin, Professor of Engineering Science and Director of the Master of Engineering Management Degree Program of  Dartmouth College in New Hampshire.

China: Flat Plate Collector Share is Growing

Submitted by Baerbel Epp on July 1, 2013

Prof Guangming Xie is a well-known expert on the solar thermal industry in China and Executive President of the China Solar Thermal Industry Federation (CSTIF). He had been a researcher with the Beijing Solar Energy Research Institute (BSERI) before he came to work in leading positions in the industry. Xie presented the latest publication from CSTIF at the Intersolar in Munich in the middle of June: the English-Chinese “Research Report on the Development of the Solar Thermal Industry and its Achievements over 20 years in China (2011-2012)”.
Photo: Bärbel Epp

Performance Analysis of a Solar Heating System Coupled to a Heat Pump for Building Renovation Purposes (2009)

Submitted by Raquel Ponte Costa on January 31, 2012

The paper was presented by Mr. Jacques Bony and Mr. Stéphane Citherlet from the Laboratory of Solar Energetics and Buildings Physics (Switzerland) in the framework of Task 44 of the IEA Solar Heating and Cooling Programme. It presents the energy and economic performances of facilities coupling heat pumps with air heater equipped with solar thermal collectors. The study was done employing a TRNSYS-type dynamic simulation.

India: MNRE Memorandum Bans Import of Storage Tanks, Manifolds and Mounting Systems

Submitted by Baerbel Epp on December 4, 2011

 Evacuated Tube Collectors Because of a comparably lower price, vacuum tube collectors are becoming more and more popular in India. Based on a capacity of 100 litres of warm water per day, an average thermosiphon system with flat plate collectors is sold at INR 20,000 (EUR 208), whereas a solar water heater with a vacuum tube collector costs on average INR 16,000 (EUR 167). To protect the business of the around 60 flat plate collector manufacturers in India, the Ministry of New and Renewable Energy (MNRE) issued a memorandum on 20 October 2011. Its most important sentence says that, “manufacturers shall import no components other than ETCs (Evacuated Tube Collectors)”.

Building Integration of Concentrating Systems for Solar Cooling Applications (2011)

Submitted by Raquel Ponte Costa on September 19, 2011

This document was presented at the 2nd European Conference on Polygeneration (30 March-1 April 2011, Tarragona, Spain) by the researchers D. Chemisana, J. Lopez-Villada, A. Coronas and J. I. Rossel.

It analysis the energy consumption of buildings from Mediterranean countries and the solutions offered by solar cooling and solar concentrator systems. The paper consists of a comparative analysis between two cooling systems: one with evacuated tube collectors and a single-effect absorption chiller, the other with a solar concentrating system and double-effect absorption chiller.

Solar Cooling. A Review of Technology, and Feasibility Study for Ager Sectus Winery, Blenhein, New Zealand (2010)

Submitted by Raquel Ponte Costa on July 21, 2011

This document reports the results of a study undertaken at the Ager Sectus Winery, near Blenheim, in New Zealand. The study looked at different solar cooling technologies and their possible use in the winery.

The document starts by explaining the different solar cooling technologies (PV, heat engine, absorption chiller, etc). Solar thermal absorption cooling is the most popular air-conditioning application and is used in different parts of the world. The performance of the systems is still variable, but the average payback period is of 15-20 years.

Solar Thermal Collector Market in IEA Member Countries (2002)

Submitted by Raquel Ponte Costa on February 17, 2010

This was a study prepared by the International Energy Agency (IEA) in 2002. The study documented the collector areas previously installed in the 22 IEA member countries and to identify the contribution of solar plants to the supply of energy and how it cut down on CO2 emissions. It has all the member countries listed with the total collector area, for different types of solar thermal systems, with energy savings equivalent.

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