Category: EuroSun2008-5

AN EXPERIMENTAL ANALYZE OF A SOLAR COLLECTOR

G. Zorer Gedik1* and A. Koyun2 1Yildiz Technical University, Architecture Faculty Istanbul /Turkiye2Yildiz Technical University, Mechanical Engineering Fac., Istanbul /Turkiye,Corresponding Author, gzorer@hotmail. com Abstract In this study the experimental results of a solar energy collector which is installed to a south classroom window of a school in Istanbul are presented. The collector unit had been […]

ICPC Performance Testing at Sandia

Prior to the start of the 1998 Sacramento demonstration, individual fourteen tube modules were tested on Sandia National Laboratory’s two-axis tracking (AZTRAK) platform. See Winston et al [3]. These tests measured losses from the new ICPC collector operating at about 150C on a 35C summer day of only 120w/m2 of collector aperture. 1.2 Sacramento Demonstration […]

Strip angle and strip width

Calculations are carried out with different strip angles for the curved absorbers and different strip widths for the flat absorbers. The interval for the strip angle investigated is from 150° to 179°. The investigated strip width for Seido 1-8 is in the interval from 0.075 m to 0.095 m. For Seido 10-20 with

The implementation of the regulations on Solar collectors in Buildings

Maria Isabel Abreu1* and Rui Oliveira2 1 Polytechnic Institute of Bragan^a, Campus de Sta Apolonia, Apartado 1134, 5301-875 Bragan^a, Portugal* Corresponding Author, isabreu@ipb. pt Abstract The use of solar energy constitutes a great concern of national and international bodies, as a result of a strategic policy towards green energy consumption. The Portuguese regulations on building […]

The all-in-one test facility

The requirements for performance testing of solar collectors and thermal solar systems are differ­ent. Therefore, it is common practice to use specifically designed test facilities for testing these two categories of solar thermal products. This results in at least two test facilities, each containing a large number of measuring equipment. Besides the fact that the […]

Criteria to Analyse Performance (Step 3)

The criteria are used to measure the performance of the different failure detection approaches. The selection is very important, since the result will be different, if not all relevant criteria are included. As most of the methods are still in development, a qualitative evaluation is applied. The criteria are as follows: • Automatic Failure detection […]

Ambient air temperature

For the testing of heat storages the ambient air temperature needs to be kept at a certain level. This is achieved by climatisation of the testing laboratory. By means of a constant ambient air temperature measuring errors are reduced. Conclusion Solar DHW-System Tests are carried out at Fraunhofer ISE since 1997. Until now it was […]