Download Structural Optimization and Experimental Investigation of by Jing Li (auth.) PDF

By Jing Li (auth.)

Compared to the traditional Rankine cycle utilizing water, the ORC can create effective enlargement at low strength, stay away from superheater and provide better thermal potency in low temperature software. Small-scale ORCs from numerous kWe to some hundred kWe supply nice power for assembly the residential call for on warmth and tool, and are of transforming into curiosity in medical and technical fields. despite the fact that, one serious challenge is the lowered machine potency and cost-effectiveness that arises while the ORC is scaled down.

In this thesis, the ORC is mixed with low concentration-ratio sun creditors. The historical past, learn pattern, benefits and significance of the sun ORC are defined. to lessen the thermodynamic irreversibility and the price of the process, 3 leading edge ideas are proposed: sunlight ORC with out warmth move fluid (HTF), which employs two-stage creditors and warmth garage devices; hybrid solar energy iteration in line with ORC and amorphous silicon cells; osmosis-driven sunlight ORC. warmth assortment, garage and tool conversion are optimized. The layout, building and attempt of a prototype are carried out, demonstrating the feasibility of the ORC for small-scale cogeneration. certain recognition is paid to the variable operation and parameter layout with admire to the condensation temperature.

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By Jing Li (auth.)

Compared to the traditional Rankine cycle utilizing water, the ORC can create effective enlargement at low strength, stay away from superheater and provide better thermal potency in low temperature software. Small-scale ORCs from numerous kWe to some hundred kWe supply nice power for assembly the residential call for on warmth and tool, and are of transforming into curiosity in medical and technical fields. despite the fact that, one serious challenge is the lowered machine potency and cost-effectiveness that arises while the ORC is scaled down.

In this thesis, the ORC is mixed with low concentration-ratio sun creditors. The historical past, learn pattern, benefits and significance of the sun ORC are defined. to lessen the thermodynamic irreversibility and the price of the process, 3 leading edge ideas are proposed: sunlight ORC with out warmth move fluid (HTF), which employs two-stage creditors and warmth garage devices; hybrid solar energy iteration in line with ORC and amorphous silicon cells; osmosis-driven sunlight ORC. warmth assortment, garage and tool conversion are optimized. The layout, building and attempt of a prototype are carried out, demonstrating the feasibility of the ORC for small-scale cogeneration. certain recognition is paid to the variable operation and parameter layout with admire to the condensation temperature.

Show description

Read or Download Structural Optimization and Experimental Investigation of the Organic Rankine Cycle for Solar Thermal Power Generation PDF

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Additional resources for Structural Optimization and Experimental Investigation of the Organic Rankine Cycle for Solar Thermal Power Generation

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In this mode, valves 1, 2 and 3 are open. Pump 1 is running. The organic fluid is heated and vaporized through the collectors under high pressure. 1 System Description 37 Fig. 4 Cross and profile sections of a U-type CPC. Reprinted from Refs. [14, 15], Copyright 2010, with permission from Elsevier (II) (III) drop. The outlet vapor is cooled down in the regenerator and condensed to a liquid state in the condenser. The liquid is pressurized by pump 1 and warmed in the regenerator. The organic fluid is then sent back to the collectors and circulates.

9 °C [81]. Bu et al. combined the ORC with VCC for ice making driven by solar energy. In terms of overall efficiency and ice production per square meter collector per day, R123 seemed the most suitable working fluid for the ORC/VCC [82]. Jradi and Riffat conducted the experiment investigation on an innovative micro-scale tri-generation system consisting of an ORC-based combined heat and power unit and a combined dehumidification and cooling unit. 5 kW cooling power and 500 W electric power [83]. 4 Recent Research in Low-Medium Temperature Solar Thermal … 21 Above all, small scale ORC and multifunctional systems are the new research trend.

5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. Bejan A (2006) Advanced engineering thermodynamics, 3rd edn. Wiley, Hoboken The French Journal Nature, 21 June, 1890 Knight’s practical dictionary of mechanics. Cassell & Co, London, Datum (1884) Alcohol Engines. htm. Accessed 16 April 2014 British Journal Engineering, 9 January, 1885 Appleton’s Cyclopedia of American Biography, New York, 1887 China’s dangerous smog seen from space. NOAA Environmental Visualization Laboratory.

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