Experiment #8: Blackbody Radiation. Chapter 8: Blackbody Radiation. The objective of this experiment is to verify the Stefan-Boltzmann law (that power per unit area radiated is proportional to temperature to the fourth power), and to determine the emissivity of tungsten. Suggested Reading. Oregon Health Authority Helping people and communities achieve optimum physical, mental and social well-being. What is meant by the phrase “black body” radiation? Of course, that was not understood in the 1890's, the time of the first precision work on black body radiation.) It happens that for ordinary glass none of these. Stefan's Law (1879): the total power P radiated from one square meter of black surface.

Basic Hydraul ics - Centrifugal Pumps Click on a topic below for a brief description of its contents. Waterhammer - Parts 1 & 2 This waterhammer tutorial looks at the subject from a different perspective than does my earlier one. Part 1 covers what?

While Part 2 looks the the causes and variables. See my August & September 2008 Pumps & Systems magazine articles for additional reading. When Bubbles Don't Burst - Why Cavitation is Damaging This tutorial takes a look at cavitation from a different perspective. It expands upon my original turoral 'Cavitation - A Largely Misunderstood Phenomenon.

Preservation of Efficiency - Affinity Revisited In 'Centrifugal Farce & Affinity' we took a look at the affinity laws and showed how the predict pump performance when its speed changes or its impeller is trimmed. This tutorial goes a step further and describes the effect of these changes on pump efficiency. Net Positive Suction Head - NPSHa & NPSHr This tutorial provides a simple yet detailed explaination of the components of NPSH. It also discusses their relationship to cavitation in a centrifugal pump. See my May 2008 Pumps & Systems magazine article for additional reading. Bump Of Chicken Jupiter Rar 320 Kbps Music Download. Specific Gravity & Viscosity - Parts 1 & 2 Specific gravity and liquid viscosity affect centrifugal pump operation in very different ways.

This two part tutorial discusses the impact of each. Part 1 covers SG while Part 2 looks at Viscosity.

See my March & April 2009 Pumps & Systems magazine articles for additional reading. Liquid Friction - The Tarantino Effect The physics of liquid friction is still pretty sketchy. Unlike solid friction, velocity and surface area are major considerations. This tutorial compares these two forms of friction and goes into some detail about each. Centrifugal Farce & Affinity Centrifugal force is a farce! It is all about the velocity added by a pump's impeller.