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Contributions by Dr. Crystal Cooper

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The One Dimensional Heat Conduction Equation
Heat conduction is one of the three modes of heat transfer. In 1822, a French physicist published a treatise giving a complete theory and mathematical model. Who was he, and which mathematical formulation is he most famously known for?

Published by Dr. Crystal Cooper (3,412 pts ) on Oct 29, 2009 to
Mechanical Engineering Articles
Thermodynamic Mysteries: Invasion of the Seed Bugs
Is there any way to prevent western conifer seed bugs, aka stink bugs, from being such unwanted house guests? And what is their connection to thermal radiation?

Published by Dr. Crystal Cooper (3,412 pts ) on Sep 29, 2009 to
Mechanical Engineering Articles
Thermodynamic Mysteries: Seed Bugs, Evergreen Trees, and Thermal Radiation
How does the ability of western conifer seed bugs to find their favorite food help to demonstrate an application of thermal radiation?

Published by Dr. Crystal Cooper (3,412 pts ) on Sep 28, 2009 to
Mechanical Engineering Articles
Simple Heat Transfer Experiments: Convection and Radiation
What are some simple heat transfer experiments that can be done to demonstrate convection and radiation?

Published by Dr. Crystal Cooper (3,412 pts ) on Sep 18, 2009 to
Mechanical Engineering Articles
Simple Heat Transfer Experiments: Conduction
In this article, we discuss some examples of heat transfer mechanisms that occur simultaneously, and also simple heat conduction experiments you can do at home.

Published by Dr. Crystal Cooper (3,412 pts ) on Sep 9, 2009 to
Mechanical Engineering Articles

Potentiometers Explored - Construction & Working Principles
A potentiometer is an electrical component with a variable resistance. This article discusses how they work, and how to use a multimeter to read one.

Published by Dr. Crystal Cooper (3,412 pts ) on Sep 6, 2009 to
Electrical Engineering Articles
How To Identify A Zener Diode?
A zener diode is a silicon diode the is optimized to conduct when it is reverse-biased. This article presents ways on how to identify one.

Published by Dr. Crystal Cooper (3,412 pts ) on Aug 31, 2009 to
Electrical Engineering Articles
What is Thermal Radiation?
Why do you feel cooler if you white clothes instead of black ones on a hot sunny day? And why is the inside of a thermos bottle shiny instead of dull?

Published by Dr. Crystal Cooper (3,412 pts ) on Aug 31, 2009 to
Mechanical Engineering Articles
What is Convection?
By what process is heat transferred to the boiling water you use to steam vegetables such as a corn cob, or to your room when it is heated by a radiator?

Published by Dr. Crystal Cooper (3,412 pts ) on Aug 30, 2009 to
Mechanical Engineering Articles
Thermal Conduction Examples
How do your clothes keep you warm on a cold day? And why do rugs feel warmer to your feet than a tile floor that is at the same temperature? Could it be heat conduction at work?

Published by Dr. Crystal Cooper (3,412 pts ) on Aug 28, 2009 to
Mechanical Engineering Articles

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