Performance assessment of solar chimney power plants with natural thermal energy storage materials on ground: CFD analysis with experimental validation

Optimised performance of a thermally resistive PV glazing technology: an experimental validation

Erdem Cuce, Abhishek Saxena, Pinar Mert Cuce, Harun Sen, Hasan Eroglu, Shanmuga Priya Selvanathan, Kumarasamy Sudhakar and Md Hasanuzzaman

International Journal of Low-Carbon Technologies, 2022, vol. 17, 752-759

Abstract: This study interprets the effect of using sand or gravel as energy storage unit in solar chimney power plants. The effect of using low-cost materials is evaluated. Based on the Manzanares pilot plant, a 3D CFD model is created. Geometric parameters are kept constant in simulations performed with ANSYS FLUENT engineering commercial software. By simultaneously solving DO (discrete ordinates) solar ray tracing algorithm and RNG k-ε turbulence model, the outputs of the system are examined at 290 and 300 K temperatures. The temperature distribution and power outputs of the use of sand and gravel as soil material at different temperatures and solar radiation are compared. It is understood that the use of both materials does not significantly affect the performance of the system and can be used economically instead of each other. It is seen that the system will give a power output of approximately 41.636 kW with both storage materials at a radiation intensity of 800 W/m2 and an ambient temperature of 300 K. It is seen that the ambient temperature affects the temperature increase in the system, and the temperature increase is higher at 290 K.

Keywords: efficiency; power output; sensible heat storage; solar chimney power plants (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:oup:ijlctc:v:17:y:2022:i::p:752-759.

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