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Bearys Institute of Technology (BIT) Students Build Hybrid Car Powered by Water

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BIT Water Hybrid Car is based on the Maruti Omni

BIT Water Hybrid Car is based on the Maruti Omni

Story Highlights

  • The project uses hydrogen to power the car along with a petrol engine
  • The Hybrid Water Car is based on the Maruti Omni
  • The Hybrid car uses electrolysis to separate hydrogen and oxygen

Automotive technology has been an ever changing phenomenon with every decade introducing some revolutionary technology, which has helped make people’s lives easier. With conservation being the latest fad, it is the use of alternative fuels that seems to be the trending word. And rightfully so, as efficiency is needed in everything we do; especially with respect to our cars. While auto manufacturers are doing their bit, the young learners at Beary’s Institute of Technology (BIT), Karnataka decided to initiate a project of their own that definitely shows the potential the future has to provide. Dubbed as the BIT Water Hybrid Car, final year mechanical engineering students Salman, Yahatash, Mousheen, and Ameer took it up as a project to incorporate an unconventional technology in a vehicle to extract more fuel efficiency. Now, we have options of alternative fuel sources like CNG/LPGs over the years, which work in tandem with our conventional petrol engines to power the vehicle. Fair enough then, the gases are combustible and are put to use as the emissions too are marginally lower on a CNG/LPG powered vehicle. However, BIT’s Water Hybrid car as the name suggests uses water to power the vehicle, in a bid to achieve higher fuel economy. Perplexed? Not to worry, the students aren’t replacing water with oil; instead, they have used hydrogen which is available in two parts in water (H2O) to power their project vehicle. As complicated as it may sound, it really isn’t. Using a Maruti Omni to demonstrate their technology, the students used the process of electrolysis to separate hydrogen from oxygen. Hydrogen being highly combustible in nature is supplied to the engine and blends in like a fuel additive.

The BIT Water Hybrid Car uses electrolysis process to separate hydorgen and oxygen

The BIT Water Hybrid Car uses electrolysis process to separate hydorgen and oxygen

Essentially, an electrolysis machine is setup in the boot of the project car that has a 1-litre bottle of water ready to be separated into hydrogen and oxygen. Once separated, the hydrogen makes its way to the combustion chamber, while oxygen becomes a byproduct of the process. As the BIT’s Mechanical Engineering HOD, Prof. Rounaq Ahmed describes it, the Water Hybrid car’s engine gets a higher combustion ratio thanks to the addition of hydrogen, helping burn fuel more efficiently. The stock 800cc three-cylinder petrol engine used on the Omni makes for a 1:8 fuel and air ratio in its stock condition, which the students were able to improve to 1:12 by pumping 10 per cent of hydrogen into the motor. So you have more combusting properties entering the chamber, which helps the burn process to last longer, while ensuring that the car sips less crude oil as possible. There is no loss in power either, as a matter of fact, a 1bhp increment was noted by the team. The result you ask? Well, the students were able to shoot the fuel efficiency figures by a whopping 42 per cent, up to 25-26 km/l from the average 15-16 km/l.

Yes, those figures are in the same vicinity as the stock Maruti Suzuki Ciaz or Celerio diesel. But, the water hybrid tech works with diesel cars as well and given the fact that this technology can be installed as an add-on, on any of these cars, you can see the scope of improvement. However, unlike the sulphur emitting oil burner that diesel tends to be, a large part of the BIT Hybrid car’s emissions is water vapour. At a time when Toyota and Honda have been actively working and promoting hydrogen-powered vehicles (Toyota Mirai and Honda FCV Clarity), what you have here is hydrogen hybrid technology being utilised in its most basic form.  Another factor that helped students achieve the higher fuel economy was the design overhaul. Unrecognisable as a people’s carrier, the Maruti Omni has been chopped to be created into a convertible with a fibreglass body. The kerb weight then was brought down to 700 kg, a whole 100 kg lower than the Omni’s stock weight, while the steering assembly was moved behind on the twin-seater, for ease of access. The BIT engineering students spent 1 lakh in the development of the complete project, while the electrolysis machine itself costs 10,000. As interesting as this is, it will be even more exciting to see how this technology can be adopted into the real world, within the parameters of safety norms, of course. That said, it is indeed at a nascent stage but it’s a new direction to using alternate fuels. However, what intrigues us even more now is the next engineering project that BIT plans to make, a fully hydrogen fueled car.- Courtesy


1 Comment

  1. Dr.B.R.MOHAN says:

    what is mileage ?

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