prakhar pandey

Major Project Thermoelectric generator

Mahakal Institute of Science & Technology, Ujjain

Aim

• To design a project that can be used to utilize the waste heat energy of the car engine into electricity for multiple use in automobiles.

• This equipment should be economical, easy to implement and does not produce any burden on car efficiency or engine efficiency.

prakhar pandey

© BMW

Contents

• Introduction• Basic principle of TEG• TEG components and materials• Performance of module• Advantages • Disadvantages• Applications• Project objective – Design of Automotive-TEG

prakhar pandey

Project

Overview

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Introduction

• Energy crisis-main problem.• Efficiency decreasing in electronic systems.• Increased interest in renewable energy.• Tremendous energy wastage in the form of heat.

World Marketed Energy Use by Fuel Type 1980 – 2030,(IEO, 2006)

TEGRequirements

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TEGη Improver

What is TEG?

• Devices that converts temperature difference into electrical energy.

• Basic principle- “Seebeck Effect” (power generation).• Peltier Effect (heating and cooling purposes).

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?? TEG ?

?

TEG module (Peltier Plate)

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Working principle of TEG

Hot-side heat exchanger

Cold-side heat exchanger

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TEG components and material

• Hot-side heat exchanger• Thermoelectric module• Cold-side heat exchanger• Copper electrodes

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Thermoelectric material

• Bi2Te3- Bismuth Telluride • PbTe- Led Telluride • CMO- Calcium Manganese Oxide • SiGe- Silicon germanium

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Performance of module

• Max. operating temperature is 138°C• Life expectancy : 200,000 Hours • Failure rate based on long run time testing : 0.2%

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Advantages

• Recycles wasted heat energy• Solid state construction, no moving part, no vibration• No noise and low maintenance • Environment friendly• Portable power source • Space requirement is only 1/20th of a solar cell• Less weight than a battery And many more……………………

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Disadvantages

• Low energy conversion efficiency rate [5-10%]• Slow technology progression• Requires relatively constant heat source• Lack of customer/industry education about TEG

Applications

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Water/Beer Cooler

Cooled Car Seat Electronic Cooling

Cryogenic IR Night Vision

Laser/OE Cooling

TE

Si bench

Applications

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Design of Automotive-TEG

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Thank you...

References

• www.sciencedirect.com• www.ijetae.com• www.iosrjen.com• Wikipedia.org• www.Google.co.in