Temat: heat flux distribution - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Heat Flux Distribution Estimation for CSP Applications
Autorzy:: Stokos, Konstantinos
Votyakov, Evgeny
Papanicolas, Costas
Powiązania:: https://bibliotekanauki.pl/articles/41192312.pdf
Data publikacji:: 2024
Wydawca:: Politechnika Warszawska, Instytut Techniki Cieplnej
Tematy:: concentrated solar power
heat flux distribution
renewable energy
skoncentrowana energia słoneczna
rozkład strumienia ciepła
energia odnawialna
Opis:: In this paper the concept of a new method for the estimation of the heat flux distribution and the total power in CSP applications is presented. This method requires appropriate analysis of the temperature evolution on a target, or directly on a receiver. A 3-D thermal conduction model with boundary conditions to take into account the convection and radiation losses has been developed. A parametric analysis was performed and we checked how the physical parameters affect the applicability of the method. Having proven numerically the potential of this method, it was experimentally implemented in the central tower CSP plant of The Cyprus Institute at PROTEAS facilities successfully. Finally, experience gained from the numerical and experimental application of this method is discussed.
Źródło:: Journal of Power Technologies; 2024, 104, 1; 56-66
1425-1353
Pojawia się w:: Journal of Power Technologies
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Geometrical and optical analysis of small-sized parabolic trough collector using ray tracing tool SolTrace
Autorzy:: Singh, Raman Kumar
Chandra, Prakash
Powiązania:: https://bibliotekanauki.pl/articles/27312206.pdf
Data publikacji:: 2023
Wydawca:: Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:: parabolic trough collector
SolTrace
Monte Carlo ray tracing method
nonuniform heat flux distribution
optical analysis
geometrical analysis
Opis:: The present work is aimed at geometrical optimization and optical analysis of a small-sized parabolic trough collector (PTC). Improving the performance of parabolic trough collectors can greatly justify the use of solar energy. An optimized curvature geometry, the location of the absorber tube, and the heat flux distribution along the circumference of the absorber tube are major features in the geometric optimization and optical modelling of parabolic trough collectors. Rim angle, aperture width, the diameter of the absorber tube, receiver position, and the optimum value of heat flux are the major parameters considered in this work for geometrical and optical analysis. The Monte Carlo ray tracing method has been adopted for analysis. The non-uniform heat flux distribution profile obtained from optical analysis of the proposed parabolic trough collector has been compared with the profile available in the literature, and good agreement has been obtained, which proves the feasibility and reliability of the model and method used for this study. An experimental new small-sized parabolic trough collector has been fabricated for the optimized rim angle of 90 deg after a successful laser light feasibility test. The effect of the absorber tube position along the optical axis on the heat flux profile was analysed and found to be substantial. Furthermore, the sensitivity analysis of the parabolic trough collector using the software applied has been discussed separately.
Źródło:: Archives of Thermodynamics; 2023, 44, 3; 35--61
1231-0956
2083-6023
Pojawia się w:: Archives of Thermodynamics
Dostawca treści:: Biblioteka Nauki

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