Title

Protection of an Aerowindow, One Scheme to Enhance the Cavity Efficiency of a Solid Particle Solar Receiver

Document Type

Conference Proceeding

Publication Date

7-19-2009

Publication Title

Proceedings of the ASME Summer Heat Transfer Conference

Publisher

American Society of Mechanical Engineers

First page number:

611

Last page number:

618

Abstract

The existing open aperture of a Solid Particle Solar Receiver (SPSR) lowers the cavity efficiency by convection heat transfer. Aerowindows have the potential of increasing the efficiency of an SPSR. Aerodynamic windows consist of a transparent gas stream, which is injected from an air jet, across the receiver aperture to isolate its interior from the surrounding atmosphere. In the present paper, the influences of an aerowindow are investigated numerically on the cavity efficiency, particle exit temperature, and particle distribution of an SPSR. Different injection velocities, injection temperatures and injection directions of an air jet have been studied in order to form an efficient aerowindow. The numerical results provide a reference idea to enhance the performance in the conceptual design of an SPSR.

Keywords

Cavities; Heat – Transmission; Particulate matter; Solar energy; Solar power plants

Disciplines

Energy Systems | Materials Science and Engineering | Mechanical Engineering | Oil, Gas, and Energy | Sustainability

Language

English

Comments

From: ASME 2009 Heat Transfer Summer Conference collocated with the InterPACK09 and 3rd Energy Sustainability Conferences, San Francisco, California, USA, July 19–23, 2009

Permissions

Use Find in Your Library, contact the author, or interlibrary loan to garner a copy of the item. Publisher policy does not allow archiving the final published version. If a post-print (author's peer-reviewed manuscript) is allowed and available, or publisher policy changes, the item will be deposited.

Identifier

DOI: http://dx.doi.org/10.1115/HT2009-88059

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