Methodology for Solar Integration
The methodology to integrate solar process heat in industry follows the pathway that was developed within the IEA Task 33 SHIP, subtask B “Investigation of industrial processes”. The approach highlights …
Optimum Orientation of the Mini-Mirror Array
The box of the MMA can be oriented freely in two dimensions, i. e. azimuth and elevation angle. For each position of the MMA in a heliostat field, a specific …
Description of the test set-up
As mentioned above, the experience gathered during the various central receiver technology projects 7 8 9 and materials treatment activities carried out in the PSA’s Solar Furnace1,2 have been combined …
Performance parameters
For any solar thermal system involving solar collectors, the efficiency of solar collectors will always be needed to observe its performance. Instantaneous efficiency of the collectors is defined as the …
Expander model validation
The parameters of the expander model are identified using test results. They are adjusted to fit the three model outputs (supply pressure, exhaust temperature, shaft power) to experimental data. The …
Reflector construction
Another critical point for the outcome of the project was the reflector manufacturing. Despite the low geometrical concentration ratio of the device (about 11), due to the large focus distance, …
Upscaling of a 500 kW Solar Powered Reactor. for steam Gasification of Petroleum Coke
A. Vidal*1, T. Denk2, A. Valverde2, A. Steinfeld3, L. Zacarfas4, J. C. de Jesus4 and M. Romero1 1 CIEMAT, 28040 Madrid, Spain 2 PSA-CIEMAT, 04200 Tabernas (Almeria), Spain 3 PDVSA …
Solar steam integration into existing distribution
Integrating the solar generated steam directly into the existing steam line is a more promising option. In order to fit the solar boiler into the system identical technical standards as …
Modelling of Solar Rankine Cycle Engines for Reverse Osmosis Desalination with Trnsys
Javiera Valdivia, Jesfis Lopez-Villada, Joan Carles Bruno*, Alberto Coronas Universitat Rovira i Virgili, CREVER - Group of Applied Thermal Engineering, Mechanical EngineeringDepartment, Avda. Paisos Catalans, 26, 43007-Tarragona, Spain Corresponding Author, …
Performance Evaluation
The performance analysis was carried out for a heliostat located 100m north of the tower. The orientation of the MMA is adjusted to obtain optimum annual reflection efficiency (270° azimuth …
Methodology
First system tests determined the maximum achievable air temperature in the treatment chamber. Later testing verified that the solar system was able to match required heating/cooling ramps. Some typical T-t …
Economic Analysis
The solar assisted heat pump desalination system, which has been constructed, is an experimental setup, thus it produces a small amount of desalinated water. In order to make it economically …
Heat exchanger model validation
In order to tune the heat exchanger model with the experimental data, the heat transfer coefficients need to be identified. For one exchanger, four heat transfer coefficients are defined: one …
First experimental results, conclusions and further steps
A solar concentrator with a fixed reflector has been developed. The first prototype of the collector consists in a 4.5 x 6 m reflector that concentrates the sun radiation on …
SSPS CENTRAL RECEIVER PLANT
The SSPS-CRS plant was inaugurated as part of the International Energy Agency’s SSPS project (Small Solar Power Systems) en September 1981. At the present time, as with the CESA-I plant, …
Solar field layout and expected performance
Length and orientation of the collector rows had to be adapted to meet the constraints given by existing infrastructure at the site. Performance calculations with different sets of meteorological data …
Introduction and Objectives
The application of renewable energies such as solar energy to produce fresh water is receiving increased interest due to the need for solving the water shortage problems in various areas …
Optimizing of a new tracking systems for small parabolic trough collectors
D. Ciobanu1*, I. Visa1* and D. Diaconesc1* 1 Transilvania University of Brasov, Centre for Sustainable Development, Eroilor Street, Brasov, Romania * Corresponding Author, daniela. ciobanu@unitbv. ro Abstract Concentrator collectors are …
Acknowledgements
The authors wish to thank the Spanish Ministry for Education and Science for funding received through research projects REN2003-09247-C04-01/TECNO and ENE2006-13267-C05-01/ALT, under the National R&D Program, and 2003-2004 Technical and …
MEDESOL PROJECT: SEAWATER DESALINATION BY SOLAR. DRIVEN MEMBRANE DISTILLATION
E. Guillen1* , W. Gernjak1, D. Alarcon1 and J. Blanco1 1 CIEMAT-Plataforma Solar de Almeria, Ctra. de Senes s/n, 04280 Tabernas, Almeria, Spain.Corresponding Author, slena. guillen@psa. es Abstract Freshwater shortage …
Validation of the global model of the cycle
Once the models of each component of the circuit are validated, these models are interconnected to simulate the whole system, as shown in Figure 8. Fig. 8 Block diagram of …
Placement and orientation of solar troughs
P. Sansoni 1 , D. Fontani 1, F. Francini 1, L. Mercatelli 1, G. Chiani 2, M. De Lucia 2 1 CNR-INOA Istituto Nazionale di Ottica Applicata, Largo E. Fermi …
THE SYNPET SOLAR RECEIVER REACTOR
The reactor chamber is a cylindrical cavity made of S30815 (ASTM) / 1.4835 (EN) heat-resistant steal that contains a windowed aperture. Manufacture of the solar-receiver started at the beginning of …
Solar field freeze protection
At the given site, ambient temperatures fall below 2 °C at 20% of the year [4]. But even other regions for future applications of this technology may require freeze protection …
Description of the Power Cycle — Reverse Osmosis Desalination Plant
The system consists of three main subsystems: the Rankine cycle, RO and solar plants. The Rankine cycle subsystem is a thermodynamic power cycle that uses water or an organic working …
Cam Mechanism Design
The variable solar day length is the result of three factors listed in decreasing order of importance: (1).The Earth’s orbit around the sun is not a perfect circle but elliptical, …
TECHNICAL NOTE 034 — Multi Solar Desalination Plant
Ami Elazari Millennium Electric T. O.U. Ltd. P. O. Box 2646, Raanana 43650 IsraelPhone : 972-9-7439490 E-mail : Info@millenniumsolar. com Desalination technology, which makes it possible to exploit sea water …
Membrane distillation
The Optimization Of The Single-Axis Tracking System. Used For A Solar Collector
C. Alexandru*, M. Com^if and I. Vi§a Transilvania University of Bra§ov, Product Design and Robotics Department, 29 Bd. Eroilor, 500036, Bra§ov, Romania* calex@unitbv. ro Abstract This paper presents researches on …
. Parabolic trough collector
Solar concentrators have been optically designed, analysed and experimented in our laboratory since 1997 [1-8]. The possible applications relate to Photo Voltaic sector, thermal field and internalillumination. The paper examines …
THE 500 kW SYNPET SOLAR GASIFICATION PLANT
The installation of the 500 kW Solar Gasification Plant on the top of the SSPS/CRS tower at the Plataforma Solar de Almeria is foreseen for the end of 2008. Manufacture …
Experimental Evaluation of an Indirect Solar Assisted Heat Pump. System for Domestic Water Heating
A. Bridgeman* and S. J. Harrison Solar Calorimetry Laboratory, Queen’s University, Department of Mechanical and Materials Engineering, 130 Stuart Street, Kingston, ON, K7L 3N6, Canada Corresponding Author, Bridgeman@me. queensu. ca …
Steam Rankine cycle — Reverse Osmosis plant
To construct the model, all the components of the system are interconnected of appropriate manner in the Trnsys program, as shows in the Fig.2. Table 1 shows the main parameters …
Modeling and experimental investigation of an Organic Rankine Cycle. using scroll expander for small scale solar applications
S. Quoilin1*, M. Orosz2 and V. Lemort1 1 University of Liege, Thermodynamics Laboratory, Campus du Sart-Tilman, Liege, BelgiumMassachusetts Institute of Technology, Department of civil and environmental engineering, USA* Corresponding Author, …
REDUCTION OF CO-EMISSIONS BY COMBINING PELLET. AND SOLAR HEATING SYSTEMS
F. Fiedler1*, T. Persson1 and C. Bales1 1 Solar Energy Research Center SERC, Hogskolan Dalama, S-78188 Borlange, Sweden* Corresponding Author, ffi@du. se Abstract Emissions are an important aspect of a …
