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21 May 2018 Photo Naledi Posholi
Could wave power be an answer to SAs electricity crisis
Attending a recent guest lecture, were from the left: Prof Marian Tredoux UFS Department of Geology, Prof Stoffel Fourie fromWalter Sisulu University, and Thoriso Lekoetje a third-year UFS Geology student.
South Africa has a 2800-km long coastline with high wave energy potential that can generate electricity. Presenting a lecture at the UFS Department of Geology, Prof Stoffel Fourie discussed wave power as a possible solution to the country’s electricity needs. Prof Fourie is a geophysicist and the chairperson of research and development in the faculty of engineering at Walter Sisulu University.

Power at any time
Wave power is a renewable and sustainable resource. “It can provide continuous base load power because wave energy systems do not suffer from ‘time of day’ issues as other renewable energy options. This means that it can generate power at any time of the day,” said Prof Fourie. 
Discussed also was the wave power advantages and disadvantages. 

Wave energy advantages
• Wave energy is a reliable renewable energy resource;

• Reduces dependency on fossil fuels;

• Wave energy is predictable and consistent;

• Generates little or no pollution to the environment compared to other energy resources; and

• Presents no barriers or difficulty to migrating fish and aquatic animals.

Wave energy disadvantages
• Wave energy conversion devices are location dependent, thus limiting possible sites where they can be implemented;

• Offshore wave energy devices can be a threat to shipping as they are too small to detect by radar; and

• High capital investment required for start-up costs, construction and maintenance.

“Looking at both advantages and disadvantages, there is no doubt that South Africa can use this method to harvest energy. With the right investment and political buy-in, wave power could provide a continuous supply of energy and contribute to all South Africa’s electricity needs,” Prof Fourie said.

News Archive

Universal Access and Universal Design approach align UFS with international standards
2015-08-11

Making mobility for students with disabilities easier, First Car Rental representatives hand over the brand new Toyota Quantum to Hestie Veitch, Head of CUADS.
Photo: Valentino Ndaba

The Centre for Universal Access and Disability Support (CUADS) launched successfully on 24 July 2015. The objective was “to make more people on campus and from the greater UFS community aware of the services that we provide, and to spread the word about Universal Access.”

“Since the center was founded in 2001, structural and systematic developments have occurred in order to create a welcoming and accessible learning environment that grants students opportunities to be successful in their academic endeavours. Thus, the Unit for Students with Disabilities (USD) has evolved into the CUADS in support of the social model of disability,” said Hetsie Veitch, former Head of the Centre.

Implementing the Universal Access and Universal Design approach has aligned the University of the Free State (UFS) with international standards.

Mingling with the experts

Vendors from across the country displayed their products, and offered demonstrations of functional gadgets and essentials at the event.

Marita Erlank from Sensory Solutions demonstrated how to operate the specialised scanner, which converts printed material to enlarged electronic text and audio, using the Open Book software.

Representing the university’s Sign Language Student Association were Carla Bester, Elrie de Toit and Tebogo Chabangu. To support Deaf Awareness Month (September), theyplan to dedicate a weekto facilitating free workshops for students not registered for the module.

David Greenland and his teamwere also present as part of a Wheelchair Appreciation Month campaign. On 1 September2015,the group of students will raise awareness of the daily challenges faced by mobility-impaired persons by spending the day in wheelchairs.

The day ended on a festive note, by courtesy of the First Car Hire Rental Company. A brand-new Toyota Quantum was handed over as a long-term rental, enabling students of the university to travel between campuses free of charge.

CUADS aims to continue transforming the UFS into a universally-accessible environment by collaborating with internal and external stakeholders. The launch marks a significant step towards Universal Access and Design.

 

 

 

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