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TITLE PAGE

SUN VALLEY SCHOOL

PROJECT: STIRLING ENGINE

MEMBERS: ARIEL ACOSTA


LIA FERRERA
ROBERTO MARADIAGA
CESIA CARABANTES
KAROL CABRERA
DATE: 10/11/18
Synopsis

A Stirling engine is a heat engine that operates by cyclic compression


and expansion of air or other gas (the working fluid) at different
temperatures, such that there is a net conversion of heat energy to
mechanical work.[1][2] More specifically, the Stirling engine is a closed-
cycle regenerative heat engine with a permanently gaseous working
fluid. Closed-cycle, in this context, means a thermodynamic system in
which the working fluid is permanently contained within the system,
and regenerative describes the use of a specific type of internal heat
exchanger and thermal store, known as the regenerator. Strictly
speaking, the inclusion of the regenerator is what differentiates a
Stirling engine from other closed cycle hot air engines.

Introduction

Robert Stirling invented the first practical example of a closed cycle air
engine in 1816, and it was suggested by Fleeming Jenkin as early as
1884 that all such engines should therefore generically be called
Stirling engines. Like the steam engine, the Stirling engine is
traditionally classified as an external combustion engine, as all heat
transfers to and from the working fluid take place through a solid
boundary (heat exchanger) thus isolating the combustion process and
any contaminants it may produce from the working parts of the engine.
The engine is designed so the working gas is generally compressed in
the colder portion of the engine and expanded in the hotter portion
resulting in a net conversion of heat into work.
body

A burner filled with fuel heats the air inside a cylinder and thereby
purveys energy to the motor that activates through piecing of the
flywheels. The air in the closed operating cylinder is heated by the
flame, expands, and flows past the expulsion piston to the other side of
the cylinder, where it pushes the working piston towards the outside.
Since the expulsion piston is now connected to the rotating flywheel it
now moves back, letting the air behind the expulsion piston cool to
create a vacuum.

This vacuum ensures that the working piston gets sucked back. The
process then repeats from the beginning and the machine works.

appendix

Stirling engines have a high efficiency compared to


internal combustion engines,[5] being able to reach 50%
efficiency. They are also capable of quiet operation and
can use almost any heat source. This type of engine is
currently generating interest as the core component
of micro combined heat and power.
Bibliography

https://en.wikipedia.org/wiki/Stirling_engine#Theory
http://www.boehm-stirling.com/en/interesting-facts.html

steps
Step 1: Auxiliary Cylinder

Step 2: The Auxiliary Piston

Step 3: Main Cylinder

Step 4: Main Piston

Step 5: Crank Shaft

Step 6: The Heat Sink

Step 7: Holding the Shaft

Step 8: Fly Wheel

Step 9: Holder

Step 10: Assembly


conclusion

the design could be able to produce a new


hybrid power generation system of
thermoelectric and Stirling engine
optimize the power output for hybrid power
generation system

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