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Thermal design and analysis of the SKA SA MeerKAT Digitiser

The Square Kilometre Array Project is a multi-national venture attempting to build the world's largest radio telescope. Australia and South Africa (together with other African countries), will be host to the SKA site. Both countries are building pre-cursor radio telescopes to demonstrate their abili...

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Main Author: Moss, Vaughan
Other Authors: Martinez, Peter
Format: Thesis
Language:English
Published: Department of Electrical Engineering 2019
Subjects:
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access_status_str Open Access
author Moss, Vaughan
author2 Martinez, Peter
author_browse Martinez, Peter
Moss, Vaughan
author_facet Martinez, Peter
Moss, Vaughan
author_sort Moss, Vaughan
collection Thesis
description The Square Kilometre Array Project is a multi-national venture attempting to build the world's largest radio telescope. Australia and South Africa (together with other African countries), will be host to the SKA site. Both countries are building pre-cursor radio telescopes to demonstrate their ability to successfully host the project. Square Kilometre Array South Africa (SKA SA) is currently constructing the MeerKAT Radio Telescope in the Karoo Desert. Radio telescopes are conventionally designed to have the signal Digitiser located in the pedestal of the radio telescope antenna structure to shield the incoming radio signal from being contaminated by the electromagnetic interference (EMI)/radio frequency interference (RFI) noise created by the Digitiser electronics. However, if a Digitiser could be placed near the antenna feed, this would decrease the length of the signal path between the receiver and the Digitiser, which would decrease noise on the signal. The aim of this thesis is to present a viable thermal design for an externally, near-feed mounted, passively cooled Digitiser on the MeerKAT Radio Telescope. This has never been done before. Through calculation, simulation and design iteration this aim was achieved, resulting in an operational Digitiser system which is being used on the MeerKAT Radio Telescope and could potentially also be used in SKA Phase 1.
format Thesis
id oai:open.uct.ac.za:11427/29782
institution University of Cape Town (South Africa)
language eng
last_indexed 2026-06-10T12:33:12.104Z
license_str Not specified — see source repository
provenance_str_mv Harvested via OAI-PMH from UCTD — University of Cape Town Open Access Repository
publishDate 2019
publishDateRange 2019
publishDateSort 2019
publisher Department of Electrical Engineering
publisherStr Department of Electrical Engineering
record_format dspace
source_str UCTD — University of Cape Town Open Access Repository
spelling oai:open.uct.ac.za:11427/29782 Thermal design and analysis of the SKA SA MeerKAT Digitiser Moss, Vaughan Martinez, Peter Space Studies The Square Kilometre Array Project is a multi-national venture attempting to build the world's largest radio telescope. Australia and South Africa (together with other African countries), will be host to the SKA site. Both countries are building pre-cursor radio telescopes to demonstrate their ability to successfully host the project. Square Kilometre Array South Africa (SKA SA) is currently constructing the MeerKAT Radio Telescope in the Karoo Desert. Radio telescopes are conventionally designed to have the signal Digitiser located in the pedestal of the radio telescope antenna structure to shield the incoming radio signal from being contaminated by the electromagnetic interference (EMI)/radio frequency interference (RFI) noise created by the Digitiser electronics. However, if a Digitiser could be placed near the antenna feed, this would decrease the length of the signal path between the receiver and the Digitiser, which would decrease noise on the signal. The aim of this thesis is to present a viable thermal design for an externally, near-feed mounted, passively cooled Digitiser on the MeerKAT Radio Telescope. This has never been done before. Through calculation, simulation and design iteration this aim was achieved, resulting in an operational Digitiser system which is being used on the MeerKAT Radio Telescope and could potentially also be used in SKA Phase 1. 2019-02-22T11:58:30Z 2019-02-22T11:58:30Z 2018 2019-02-19T07:09:24Z Master Thesis Masters MPhil http://hdl.handle.net/11427/29782 eng application/pdf Department of Electrical Engineering Faculty of Engineering and the Built Environment University of Cape Town
spellingShingle Space Studies
Moss, Vaughan
Thermal design and analysis of the SKA SA MeerKAT Digitiser
thesis_degree_str Master's
title Thermal design and analysis of the SKA SA MeerKAT Digitiser
title_full Thermal design and analysis of the SKA SA MeerKAT Digitiser
title_fullStr Thermal design and analysis of the SKA SA MeerKAT Digitiser
title_full_unstemmed Thermal design and analysis of the SKA SA MeerKAT Digitiser
title_short Thermal design and analysis of the SKA SA MeerKAT Digitiser
title_sort thermal design and analysis of the ska sa meerkat digitiser
topic Space Studies
url http://hdl.handle.net/11427/29782
work_keys_str_mv AT mossvaughan thermaldesignandanalysisoftheskasameerkatdigitiser