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Transient performance of an impinging receiver: An indoor experimental study
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.ORCID iD: 0000-0003-4134-3520
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.ORCID iD: 0000-0002-4479-344X
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
2018 (English)In: Energy Conversion and Management, ISSN 0196-8904, E-ISSN 1879-2227, Vol. 158, p. 193-200Article in journal (Refereed) Published
Abstract [en]

The impinging receiver is a new member of the cavity solar receiver family. In this paper, the transient performance of a prototype impinging receiver has been studied with the help of a Fresnel lens based solar simulator and an externally fired micro gas turbine. The impinging receiver can offer an air outlet temperature of 810 °C at an absorber temperature of 960 °C. The radiative-to-thermal efficiency is measured to be 74.1%. The absorber temperature uniformity is good but high temperature differences have been detected during the ‘cold startup’ process. The temperature changing rate of the receiver is within 3 °C/s for the startup process and 4 °C/s for the shut-down process. In order to avoid quenching effects caused by the impinging jets, the micro gas turbine should be turned off to stop the airflow when the radiative power is off. 

Place, publisher, year, edition, pages
Elsevier Ltd , 2018. Vol. 158, p. 193-200
Keyword [en]
Concentrated solar power, Impinging receiver, Solar energy, Transient performance, Absorber temperatures, Micro gas turbines, Outlet temperature, Start-up process, Temperature changing, Thermal efficiency, Gas turbines
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-223143DOI: 10.1016/j.enconman.2017.12.070ISI: 000424719200018Scopus ID: 2-s2.0-85040614193OAI: oai:DiVA.org:kth-223143DiVA, id: diva2:1193188
Note

Export Date: 13 February 2018; Article; CODEN: ECMAD; Correspondence Address: Wang, W.; Department of Energy Technology, KTH Royal Institute of TechnologySweden; email: wujun@kth.se. QC 20180326

Available from: 2018-03-26 Created: 2018-03-26 Last updated: 2018-03-26Bibliographically approved

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Wang, WujunMalmquist, AndersLaumert, Björn

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