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18 March 2020 | Story Leonie Bolleurs | Photo Supplied
Solar car Team
Excited about a first for the UFS, Team UFS is entering the 2020 Sasol Solar Challenge. From the left, front, are: Fouché Blignaut, Mechatronic Engineering; Nathan Bernstein, Agricultural Engineering; Lucas Erasmus, Physics; middle: Barend Crous, Manufacturing and Instrumentation; Hendrik van Heerden, Physics (team leader); Antonie Fourie, Physics; Prof Danie Vermeulen, Dean of the Faculty of Natural and Agricultural Sciences (team director); Prof Koos Terblans, Head of the Department of Physics; Theo Gropp, Mechanical Engineering; back: Louis Lagrange, Head of the Department of Engineering; and Mark Jacson, Electronics.

An interdepartmental team from the University of the Free State (UFS) has announced that it will enter and participate in the 2020 Sasol Solar Challenge, scheduled to take place from 11 to 19 September this year. 

For the challenge, Team UFS will build a self-propelled manned vehicle that uses solar power systems to travel from point A to point B. The 14-member team of the UFS will travel on public roads from Pretoria to Cape Town via a predefined route over eight days. They will compete against more than 15 other teams, both local and international. The team that finishes with the greatest distance covered within the allotted time, will win the race. Teams will race every day between 07:30 and 17:00.

The four drivers to operate the vehicles will be selected from participating UFS departments in the coming months.

First solar car for the UFS
Dr Hendrik van Heerden from the Department of Physics has been planning the solar car project – Lengau (meaning Cheetah in Sesotho) – over the past year. He will start assembling the car in the next month together with colleagues and students from both the Departments of Physics and Engineering Sciences (EnSci).

Not only is this a dream come true, but it is also an opportunity for the UFS to show that they can do this. “We do not need the backing of a large and long-established engineering department to build a car like this, a young and vibrant team can do just as much!”, says Dr Van Heerden, who plans to complete the car within a few months, ready to be calibrated and tested later in June.

Capacity in green and sustainable engineering
“The ability of Team UFS to participate is possible due to recent research developments on photovoltaic technologies (solar cells) in the Department of Physics, a well-established leader in the field of surface and material sciences. The university also has established capacity in the fields of photoluminescence and nanomaterials (nanomaterials in energy storage). Additionally, with the establishment of EnSci, the university has expanded into this field, which will bring building capacity in the area of green and sustainable engineering to the project,” says Dr Van Heerden.

Promoting development into green technologies and 4IR
According to Dr Van Heerden, it is clear that the university wishes to become a strong role player in the development and utilisation of green energy, as can be seen in the implementation of relevant technologies on its various campuses. “Thus, for the UFS to be recognised in this research area, it is important to participate in related ‘green’ events where staff and students can build their capacity of practical knowledge by constructing participation equipment such as the solar car.”

He believes that this project has the potential to become a strong base for student training and capacity building in all technological fields, which can promote base development to 4IR.

News Archive

UFS cardiologists and surgeons give children a beating heart
2015-04-23

Photo: René-Jean van der Berg

A team from the University of the Free State School for Medicine work daily unremittingly to save the lives of young children who have been born with heart defects by carrying out highly specialised interventions and operations on them. These operations, which are nowadays performed more and more frequently by cardiologists from the UFS School of Medicine, place the UFS on a similar footing to world-class cardiology and cardio-thoracic units.

One of the children is seven-month-old Montsheng Ketso who recently underwent a major heart operation to keep the left ventricle of her heart going artificially.

Montsheng was born with a rare, serious defect of the coronary artery, preventing the left ventricle from receiving enough blood to pump to the rest of the body.

This means that the heart muscle can suffer damage because these children essentially experience a heart attack at a very young age.

In a healthy heart, the left ventricle receives oxygenated blood from the left atrium. Then the left ventricle pumps this oxygen-rich blood to the aorta whence it flows to the rest of the body. The heart muscle normally receives blood supply from the oxygenated aorta blood, which in this case cannot happen.

Photo: René-Jean van der Berg

“She was very ill. I thought my baby was going to die,” says Mrs Bonizele Ketso, Montsheng’s mother.

She says that Montsheng became sick early in February, and she thought initially it was a tight chest or a cold. After a doctor examined and treated her baby, Montsheng still remained constantly ill, so the doctor referred her to Prof Stephen Brown, paediatric cardiologist at the UFS and attached to Universitas Hospital.

Here, Prof Brown immediately got his skilled team together as quickly as possible to diagnose the condition in order to operate on Montsheng.

During the operation, the blood flow was restored, but since Montsheng’s heart muscle was seriously damaged, the heart was unable to contract at the end of the operation. Then she was coupled to a heart-lung machine to allow the heart to rest and give the heart muscle chance to recover. The entire team of technologists and the dedicated anaesthetist, Dr Edwin Turton, kept a vigil day and night for several days.

Prof Francis Smit, chief specialist at the UFS Department of Cardiothoracic Surgery, explains that without this operation Montsheng would not have been able to celebrate her first birthday.

“After the surgery, these children can reach adulthood without further operations. Within two to three months after the operation, she will have a normal active life, although for about six months she will still use medication. Thereafter, she will be tiptop and shortly learn to crawl and walk.”

Mrs Ketso is looking forward enormously to seeing her daughter stand up and take her first steps. A dream which she thought would never come true.    

“Write there that I really love these doctors.”

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