Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Comparison of potential control strategies for an impinging receiver based dish-Brayton system when the solar irradiation exceeds its design value
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.
2018 (English)In: Energy Conversion and Management, ISSN 0196-8904, E-ISSN 1879-2227, Vol. 169, p. 1-12Article in journal (Refereed) Published
Abstract [en]

Potential control strategies for an impinging receiver based dish-Brayton system have been presented for protecting the key components from the risks of overheating when the solar irradiation exceeds its design value. Two of them are selected for a detailed study: changing the effective diameter of the shading device and changing the inlet temperature. A rope-pulley shading device is developed for controlling the shading area in the center of the dish, and the change of the inlet temperature is achieved by applying a bypass at the cold side of the recuperator for reducing the heat transfer rate. Both control strategies can manage the peak temperature on the absorber surface within 1030 °C with an outlet temperature fluctuation between −4.1 and 15.1 °C, so that the impinging receiver can work for long time at any solar direct normal irradiance value. Furthermore, the temperature differences on the absorber surface are between 137.1 °C and 163.8 °C. The cases that are achieved by changing the shield effective diameter are significantly lower (11–26 °C) than the corresponding cases that are achieved by changing the inlet temperature.

Place, publisher, year, edition, pages
Elsevier, 2018. Vol. 169, p. 1-12
Keywords [en]
Brayton cycle, Conjugate heat transfer, Control strategy, Impinging solar receiver, Solar dish
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-228710DOI: 10.1016/j.enconman.2018.05.045ISI: 000436885900001Scopus ID: 2-s2.0-85047262981OAI: oai:DiVA.org:kth-228710DiVA, id: diva2:1211066
Funder
EU, FP7, Seventh Framework Programme, 308952
Note

QC 20180530

Available from: 2018-05-30 Created: 2018-05-30 Last updated: 2018-07-17Bibliographically approved

Open Access in DiVA

No full text in DiVA

Other links

Publisher's full textScopus

Authority records BETA

Wang, WujunMalmquist, AndersLaumert, Björn

Search in DiVA

By author/editor
Wang, WujunMalmquist, AndersLaumert, Björn
By organisation
Energy Technology
In the same journal
Energy Conversion and Management
Energy Engineering

Search outside of DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 72 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf