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Browsing Mechanical Engineering Conference Papers by Title

Browsing Mechanical Engineering Conference Papers by Title

Now showing items 1-20 of 31

Analysis of a gear train using finite element modelling

Mushiri, Tawanda; Mbohwa, Charles (Industrial Engineering and Operations Management Society (IEOM Society), 2015-09)

Here the theoretical maximum contact stress is calculated by Hertz equation. Also the finite element analysis of spur gear is done to determine the maximum contact stress by ANSYS 14.5. It was found that the results from ...
Application of Fly ash and Blast Furnace Slag Stabilized Soils in Pavement Design: Case Study Harare – Mutare Road, Zimbabwe

Shumba, S.; Antonio, E; Vassileva, L.D (2015-05)

This project is based on the incorporation of fly ash and blast furnace slag from industries and mines for the stabilisation of soils for pavement design and construction. The project aimed at the determination of the ...
Benchmarking Using Environmental Performance Indicators: The Japanese Experience

Mbohwa, C. T.; Fukuda, S. (Zimbabwe Institution of Engineers, 2003)

The creation of wealth through engineering poses many environmental challenges for mankind. Problems of acid rain, smog, diseases related to the use of hazardous substances in both industrialised and industrialising countries ...
Design of a bench saw cutting machine for wood with automatic braking system

Mushiri, Tawanda; Masarakufa, Fortunate; Mbohwa, Charles (2016-09)

This research paper explores the design of an automatic safety brake mechanism on a manual circular table saw machine which stops the blade from rotating when human flesh is detected in the blade proximity. Fatal injuries ...
Design of a crushing system that improves the crushing efficiency of gold ore at a local mine: Case of Zimbabwe

Mushiri, T; Mbohwa, C (2015)

Mining involves a number of processes which are useful in gold extraction. The processes involved are gravity concentrations, flotation, etc. are available for the extraction of gold metal from its ores. The common processes ...
Design of a manually operated paper recycling machine

Chikuku, Tauyanashe; Mushiri, Tawanda; Mombeyarara, Panashe (2017)

Paper is used daily with learning institutions such as universities and schools being the main consumers. Due to its single usage it ends up being disposed hence most of the paper waste remains idle and unutilized although ...
Design of a mechanical cleaning device PIG (pipeline intervention gadget) connecting two transfer lines in Zimbabwe

Mushiri, Tawanda; Ndlovu, Stephen; Mbohwa, Charles (2016-09)

In the Oil and Gas Industry, maintenance is done using a device or tool called a pig, chiefly to remove solids, dirt, and liquids from the pipelines. The aim of this work is to design and retrofit a pig which will clean 3 ...
Design of a paper slitting and rewinding machine for a developing country, Zimbabwe

Mushiri, Tawanda; Mbohwa, Charles; Mashana, Godfrey (2016-09)

This paper is on the design of a paper slitting and rewinding machine for a developing economy which targets small to medium enterprises (SMEs). The current problem is the high cost of such machines on the market hence ...
Design of a small scale cereal packaging machine suitable for developing countries

Mushiri, T.; Mbohwa, C. (2015)

Many food shortages which are being encountered in developing countries are due to lack of effective packaging which results in food loss. Packaging machines manufactured in developed countries are highly automated which ...
Design of a vehicle door structure based on finite element method.

Mushiri, T; Mbohwa, C (2014)

The performance of door assembly is very significant for the vehicle design. In the present paper, the finite element method is used in the development processes of the door assembly. The stiffness, strength, modal ...
Design of an automatic tyre pressure inflation system for small vehicles

Mushiri, Tawanda; Muzhanje, Allan T.; Mbohwa, Charles (2016-09)

The advent of the tyre/automotive industry brought to a halt the savage days of long journeying by foot and suddenly introduced quick inter-city visits whilst the traveler is seated. In a bid to improve and perfect this ...
Dimensioning of hybrid solar-battery-grid micro-energy power systems to alleviate domestic power outages in urban Zimbabwe: A reliability-cost approach

Hove, Tawanda; Mushiri, Tawanda (Namibia Energy Institute (NEI), 2015-10)

Power outages are rampant in most of Southern African countries due to inadequate electricity generation capacity by the utilities in these countries. This situation results in direct and indirect costs to both the consumers ...
Elasto-Plastic collapse analysis of pipe bends using finite element analysis

Mushiri, T; Mbohwa, C (2014)

When an external load is applied to one of its ends, a pipe’s bends cross section tends to deform significantly both in and out of its end plane. This shell type behaviour characteristic of pipe bends and mainly due to ...
Enhancement of Shelf-Life and Oxidative stability of Jatropha curcas Biodiesel in Zimbabwe

Shonhiwa, C.S.; Nhamo, R.L.M.; Kugara, J. (2014-12)

Biodiesel is an environment friendly liquid biofuel similar to petro-diesel in terms of fuel quality and combustion characteristics. Increasing environmental concerns, fast depleting petroleum reserves and agriculture based ...
Feasibility study of Biofuels energy exploitation for Southern Africa’s prosperity: Case study Zimbabwe

Shonhiwa, C.S.; Kugara, J.; Nhamo, L.M.N.; Chinguwa, S. (2015-10-30)

The Southern Africa’s Economy is slowly re-emerging from a protracted period of economic decline (in particular Zimbabwe) due to the raise in exploitation of biofuels energy resources. The energy challenge is especially ...
Finite element analysis of ROM silo subjected to 5000 tons monotonic loads at an anonymous mine in Zimbabwe

Mushiri, Tawanda; Tengende, Kelvin; Mbohwa, Charles; Garikayi, Talon (International Institute of Engineers, 2014-07)

This paper introduces finite element analysis of Run off Mine (ROM) silo subjected to dynamic loading. The proposed procedure is based on the use of theoretical equations to come up with pressure and forces1 exerted by ...
Green manufacturing/Cleaner Production in Zimbabwe: Learning from Japanese Experiences

Mbohwa, Charles (2006-03-31)

This paper discusses environmental issues in Africa and deals with the situation in Zimbabwe in more detail. Most people in Sub Saharan Africa live in the rural areas and make a living from agriculture and forest resources. ...
Improving the management of operations at the “Office des Ports et RAdes du Gabon” (OPRAG): The road to achieve and sustain quality service delivery

Essimengane, B; Mushiri, T; Mbohwa, C (2016-09)

The industrial engineering development in the spite of globalisation and fast technological advancement has set an unprecedented challenge for business around the world. Hence, new business models and concepts came to life ...
Investigating structural cracks for infrastructure: Case study of anonymous hospital, in Zimbabwe

Matora, Tinashe; Shumba, Samson; Mushiri, Tawanda; Musiwa, Kudzie; Taaka, Dakarai; Mhizha, Stewart; Tumbare, Michael James (2017)

The main objective of the research was to investigate the structural cracks for infrastructure at the anonymous Hospital in the place under study, in Zimbabwe and recommend the appropriate engineering solutions to the ...
Investigation of the physical and chemical stability of biodiesel produced from Jatropha Curcas Species in Zimbabwe

Shonhiwa, C.S.; Nhamo, L.M.N.; Kugara, J. (2015-09)

Jatropha curcas L. seeds as a raw material for biodiesel production are a rapidly growing interest over the world because of their high oil content, ecological adaptability, and excellent fuel properties. Though there is ...

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