A novel solar-powered self-blowing air heating system with active control based on a quasi-Stirling cycle

A.R. Tavakolpour-Saleh, A. Hamzavi and A. Omidvar

Energy, 2021, vol. 227, issue C

Abstract: In this paper, a novel active solar heating system with self-blowing capability based on a quasi-Stirling cycle is modeled, developed, and primarily tested. First, the working principle of the proposed heating system is described and the possibility of power generation for air blowing based on the quasi-Stirling cycle is discussed. Then, a dynamic model for the proposed system is presented. Next, the presented mathematical model is used to simulate the system performance as well as to tune the control unit to acive the desired performance. Accordingly, the variations of gas pressure, temperature, and airflow rate over a working cycle are simulated through which the generated heat and power of the system can be evaluated. Finally, the experimental rig is developed and experimented. It is found that the proposed cogeneration system provides the ventilating air at a temperature of 333 K and an average airflow rate of 0.00994 m3/s besides the output work of 490 J in each working cycle practically. Moreover, the obtained experimental data from this first-stage developed technology reveal the feasibility of the presented idea, which can be further extended in the next stages of its development including design optimization, scalability, exergy analysis, and applicability in real fields.

Keywords: Cogeneration; Self-blowing; Solar heating; Quasi-Stirling cycle; Active control (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:227:y:2021:i:c:s0360544221007039

DOI: 10.1016/j.energy.2021.120454

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