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Rolling resistance and fuel consumption of trucks and buses as affected by road roughness
Thesis (M. Ing.) -- University of Stellenbosch, 1993.
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| Format: | Thesis |
| Language: | English |
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Stellenbosch : Stellenbosch University
2012
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| _version_ | 1867614109613162496 |
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| access_status_str | Open Access |
| author | Du Plessis, Hendrik Willem |
| author2 | Bester, C. J. |
| author_browse | Bester, C. J. Du Plessis, Hendrik Willem |
| author_facet | Bester, C. J. Du Plessis, Hendrik Willem |
| author_sort | Du Plessis, Hendrik Willem |
| collection | Thesis |
| dc_rights_str_mv | Stellenbosch University |
| description | Thesis (M. Ing.) -- University of Stellenbosch, 1993. |
| format | Thesis |
| id | oai:scholar.sun.ac.za:10019.1/69860 |
| institution | Stellenbosch University (South Africa) |
| language | English |
| last_indexed | 2026-06-10T12:46:49.061Z |
| license_str | Other — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from SUNScholar — Stellenbosch University Repository |
| publishDate | 2012 |
| publishDateRange | 2012 |
| publishDateSort | 2012 |
| publisher | Stellenbosch : Stellenbosch University |
| publisherStr | Stellenbosch : Stellenbosch University |
| record_format | dspace |
| source_str | SUNScholar — Stellenbosch University Repository |
| spelling | oai:scholar.sun.ac.za:10019.1/69860 Rolling resistance and fuel consumption of trucks and buses as affected by road roughness Du Plessis, Hendrik Willem Bester, C. J. Stellenbosch University. Faculty of Engineering. Dept. of Civil Engineering. Vehicles -- Fuel consumption Buses -- Fuel consumption Trucks -- Fuel consumption Roads Dissertations -- Civil engineering Thesis (M. Ing.) -- University of Stellenbosch, 1993. Research into the effects of road surface condition on road user costs have been conducted ever since the advent of motorised transport. Several practitioners have produced user cost relations for use in specific environments and for specific vehicles, but only in the last decade has research yielded generalised and robust models suitable for use in road management systems. However, models from different regions often differ substantially between themselves and it is with difficulty and at some risk that relations are transported to other environments. Fuel consumption, while probably the easiest of the road user cost components to measure, is no exception. Relations developed in Brazil, the Caribbean, India, Kenya and elsewhere produce vastly different results and were in any event obtained from vehicle types and operating circumstances unlikely to be similar to the local situation. The experiment documented in this dissertation came about as the result of a need for locally developed user cost models. Its aim was to establish reliable and accurate fuel consumption relations for use in road management systems and in the general economic analyses of transportation projects. An extensive literature search showed that fuel consumption models may be modelled relatively easy through controlled experimentation. The experimental design chosen from several possibilities was to measure road surface effects on vehicle rolling resistance in coast-down tests and to relate this to vehicle energy requirements and, hence, fuel consumption. Masters 2012-08-27T12:27:18Z 2012-08-27T12:27:18Z 1993 Thesis http://hdl.handle.net/10019.1/69860 en Stellenbosch University 193 pages : ill. application/pdf Stellenbosch : Stellenbosch University |
| spellingShingle | Vehicles -- Fuel consumption Buses -- Fuel consumption Trucks -- Fuel consumption Roads Dissertations -- Civil engineering Du Plessis, Hendrik Willem Rolling resistance and fuel consumption of trucks and buses as affected by road roughness |
| title | Rolling resistance and fuel consumption of trucks and buses as affected by road roughness |
| title_full | Rolling resistance and fuel consumption of trucks and buses as affected by road roughness |
| title_fullStr | Rolling resistance and fuel consumption of trucks and buses as affected by road roughness |
| title_full_unstemmed | Rolling resistance and fuel consumption of trucks and buses as affected by road roughness |
| title_short | Rolling resistance and fuel consumption of trucks and buses as affected by road roughness |
| title_sort | rolling resistance and fuel consumption of trucks and buses as affected by road roughness |
| topic | Vehicles -- Fuel consumption Buses -- Fuel consumption Trucks -- Fuel consumption Roads Dissertations -- Civil engineering |
| url | http://hdl.handle.net/10019.1/69860 |
| work_keys_str_mv | AT duplessishendrikwillem rollingresistanceandfuelconsumptionoftrucksandbusesasaffectedbyroadroughness |