Terra for the new Era- Refinement

Rishiraj Ghosh
3 min readAug 1, 2021

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Rishiraj Ghosh
2nd year Industrial Design
National Institute of Design, Andhra Pradesh

After being introduced to the concept of the venturi effect, I tried to ideate tunnels for amplified cooling, over the evaporative cooling of terracotta. the intent is to keep the terracotta body cooler so that it can absorb heat from its surroundings.

A new part of the research was to identify the function of a radiator fan to suck out the air out of the tunnel so that it can create a vacuum inside, resulting in outer air rushing inside the tunnel from the other end.

The fan is to be run with a waterproof, brushless motor so that it is safe with the moist body of terracotta. The power o run the fan will be 5 volts, as it will be taking power from the laptop.

Also, there was a quest to find the right diameter of the tunnel, to keep it aligned with the radiator fan.

It was a nice experience to apply Bernoulli's principle and Venturi effect I learned in school, to apply in my work!

The next task was to make a simple mock-up to testify the principle. I designed a simpler version of the product and contacted a prototyping service provider with CAD references

The manufacturing method was mainly slip-casting and then joining semy-dry surfaces manually.

mould for slip-casting of POP

Then the concept is also refined and developed into a CAD model with real dimensions.

to be continued…

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Rishiraj Ghosh
Rishiraj Ghosh

Written by Rishiraj Ghosh

Industrial Design 3rd year National Institute of Design

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