RADIOISOTOPE THERMOELECTRIC GENERATOR(RTG)

INTRODUCTION

Radioisotope Thermoelectric Generator is a electrical generator.
It uses a radioactive material as the fuel and uses the fact that radioactive materials generate heat as they decay into nonradioactive materials.
This released heat is converted in to electricity by using Seebeck effect using an array of thermocouples.
The output obtained in a RTG is a steady output voltage and its power capacity is a few 100 W.
RTG provi ....etc

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DISH STIRLING SYSTEMS
ABSTRACT
Electrical power generated with the heat from the sun, called solar thermal power, is produced with three types of concentrating solar systems - trough or linefocus systems; power towers in which a centrally-located thermal receiver is illuminated with a large field of sun-tracking heliostats; and dish/engine systems. A special case of the third type of system, a dish/Stirling system, is the subject of this paper. A dish/Stirling system comprises a parabolic dish concentrator, a thermal receiver, and a Stirlin ....etc

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We want to do the transient thermal analysis of stirling engine in ansys workbench....so if you can help us in this regard. ....etc

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Radioisotope Batteries for MEMS




What is a Nuclear Battery?

Goal: convert energy from radioactive decay to electricity
•Options:
–Direct charge collection
–Indirect (scintillation)
–Betavoltaic
–Thermoelectric
–Thermionic
–thermophotovoltaic


Isotope Selection


Type of radiation
–Alpha
–Beta
•Half-Life
–Long -> Long battery life
–Short -> Higher power
•Avoid gammas in the decay chain
•W ....etc

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my requirement to more details and images about ppt on pollution less stirlig engine ....etc

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Thermoacoustic Stirling Engines
Abstract:
Sound waves in thermoacoustic engines and refrigerators can replace the pistons and cranks that are typically built into such machinery. Over the past two decades, physicists and engineers have been working on a class of heat engines and compression-driven refrigerators that use no oscillating pistons, oil seals or lubricants. These so-called thermoacoustic devices take advantage of sound waves reverberating within them to convert a temperature differential into mecha ....etc

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Abstract :
A stirling engine is a heat engine that operates by cyclic compression and expansion of air or other gases (working fluid) at different temperature levels such that there is a net conversion of heat. The general cycle of a stirling engine consists of compressing cool gas, heating the gas, expanding the hot gas, and finally cooling the gas before repeating the cycle. The working fluid inside the stirling engine in this case is heated gas using solar energy from the sun.
The main components of this project are:
Stirling En ....etc

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STIRLING ENGINE


abstract


Best teaching and learning for any engineering students device especially in the field of thermodynamics.
Unique technology.
An innovation with hundreds of application.
An innovation with a mission to save the earth.
Fuel independency.
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The Stirling engine, is a heat engine of the external combustion piston engine type whose heat-exchange process allows for near-ideal efficiency in conversion of heat into mechanical movement by following the Carnot cycle as closely as is practically possible with given materials.


Its invention is credited to the Scottish clergyman Rev. Robert Stirling in 1816 who made significant improvements to earlier designs and took out the first patent. He was later assisted in its development by his engineer brother James Stirling.



The inven ....etc

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