Zobrazeno 1 - 10
of 154
pro vyhledávání: '"E.H. Mathews"'
Publikováno v:
Journal of Energy in Southern Africa, Vol 31, Iss 4 (2020)
The South African energy crisis harms the economy. Tax incentives are intended to help, but rules for incentives must be understood by all stakeholders for taxpayers to be encouraged to invest. Section 12L (S12L) is relatively new legislation that al
Externí odkaz:
https://doaj.org/article/b22877d2c7044d8ba82d0a20197b121c
Publikováno v:
Journal of Energy in Southern Africa, Vol 19, Iss 1, Pp 43-54 (2017)
Peak electricity demand in South Africa will exceed the available operational generation capacity in 2007. The state utility, Eskom, is addressing this challenge, inter alia, with the implementation of a national Demand-side Management (DSM) initia-t
Externí odkaz:
https://doaj.org/article/efdbbdb134e94fdd8a9a16b5e3f96a34
Publikováno v:
Journal of Energy in Southern Africa, Vol 18, Iss 1, Pp 51-63 (2017)
This millennium is marked by a new trend: efficien-cy. In the actual economical environment, business sustainability requires high-efficiency technological processes. The efficiency concept has to be present at all levels of industrial activities. Ho
Externí odkaz:
https://doaj.org/article/974a98710e7a45738c1cf3bdc07bfa4b
Publikováno v:
South African Journal of Industrial Engineering, Vol 17, Iss 1 (2012)
ENGLISH ABSTRACT: The mining industry is the largest source of foreign income for South Africa. It is also the main source of employment in the country. The focus of this study was to investigate the current underground labour planning models used in
Externí odkaz:
https://doaj.org/article/3fa79545d3384bd4a98df5a1c3373539
Autor:
C.P. Botha, E.H. Mathews
Publikováno v:
Building and Environment. 38:1423-1429
Building simulation is a tool that has only recently been recognised as a possible utility to accomplish enhanced building management (Build. Environ. 37 (8–9) (2002) 891). Thermal management however is often neglected. This is due to the complex n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02b97ee201af6bcb763d9de8b2a37284
https://doi.org/10.1016/s0360-1323(03)00070-2
https://doi.org/10.1016/s0360-1323(03)00070-2
Autor:
E.H. Mathews, D.T. Claassen
Publikováno v:
Building and Environment. 38:521-531
This article describes the features and operation of a new duct design software tool. The tool was used in a case study to establish its practicality and performance. This tool is unique in the sense that it employs an optimisation method called the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a7a62056a92d4849cbc9c57412e96f13
https://doi.org/10.1016/s0360-1323(02)00134-8
https://doi.org/10.1016/s0360-1323(02)00134-8
Publikováno v:
Building and Environment. 35:339-346
In South Africa, installing ceiling insulation in all existing houses could result in substantial benefits for the country. Simulations have shown that for high-income houses alone, almost 3000 GWh can be saved in winter heating per year. A reduction
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c3c8979a9751791080b0481828fdeed
https://doi.org/10.1016/s0360-1323(99)00025-6
https://doi.org/10.1016/s0360-1323(99)00025-6
Akademický článek
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Autor:
D.T. Claassen, E.H. Mathews
Publikováno v:
Building and Environment. 33:173-179
This article shows that the T-Method, a new numerical method for optimizing duct networks, fails under certain conditions. The authors discovered this phenomenon while they were developing software that implements the T-Method. The method worked fine
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b229b3019162b3482dd05b53a859163f
https://doi.org/10.1016/s0360-1323(97)00033-4
https://doi.org/10.1016/s0360-1323(97)00033-4
Publikováno v:
Building and Environment. 30:427-432
Housing is a problem in all developing countries. Presently South Africa has a large urbanization drive, to such an extent that over the next 10 years 1300 houses per day must be built to alleviate the problem. Most of the houses currently being erec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ead51bc7f502b629f6744fa2ee3fc015
https://doi.org/10.1016/0360-1323(94)00061-v
https://doi.org/10.1016/0360-1323(94)00061-v