Design and Analysis of AC System For Heavy Vehicles Using Exhaust Heat

First of all, in this topic, we will discuss in detail that what our project is all about. We will talk about the inspiration for the idea which led us to work on this project and what improvements we decided to make in the available system.

The topic of our study is “Design & Analysis of Air Conditioning System for the heavy vehicle”. Air conditioning is a tedious job to do when it comes to heavy vehicles like buses and trucks. The installation cost is not a problem but the operating cost is not so economical which is why these AC systems are not famous for heavy trucks.

Where is the problem:-
The very first engine (A Stem Engine) was invented by James Watt. It was a huge external combustion engine and its efficiency was not so appreciable, only 35%. After that tremendous improvement was done in this field of engineering and at last, we got these super compact latest internal combustion engines running on vapors of Diesel
and Gasoline efficiently, comparative to the steam engine.

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But the efficiency of modern engines is also somewhere in between 30% to 40 % only. That means we utilize only 2/5 parts of the total fuel that we burn and the rest of the energy is wasted. Now talking about heavy trucks, the efficiency of these heavy-duty vehicles is way less than the other vehicles we use. The reason behind this is the way we use them. They are used for Transporting goods, Mining activities and various other hard jobs.

And meanwhile, a lot of waste heat is generated which does nothing other than raising the body temperature of a driver sitting inside the vehicle and is also a cause of global warming. Although the driver has not paid any extra money for air conditioning he deserves it.

At the same time, we cannot compromise with the mileage of trucks as it is already very less. So what can be the solution to this problem? We need to take care of the standard conditions inside the truck cabin for the easy survival of driver but we cannot compromise with the efficiency of the vehicle.

Source: www.final-yearproject.com

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