Physics 202, Lecture 6 - Spotlights | Web services at...

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Thermodynamics Physics 202, Lecture 6 1

Transcript of Physics 202, Lecture 6 - Spotlights | Web services at...

Page 1: Physics 202, Lecture 6 - Spotlights | Web services at …spot.pcc.edu/~dulrich/2013p202/2013p202ln06.pdf · Work done by an ideal gas within isothermal and adiabatic process can be

Thermodynamics

Physics 202, Lecture 6

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Page 2: Physics 202, Lecture 6 - Spotlights | Web services at …spot.pcc.edu/~dulrich/2013p202/2013p202ln06.pdf · Work done by an ideal gas within isothermal and adiabatic process can be

The first law: a heat engine balances internal energy, heat and work

Physics 202, Lecture 6

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Page 3: Physics 202, Lecture 6 - Spotlights | Web services at …spot.pcc.edu/~dulrich/2013p202/2013p202ln06.pdf · Work done by an ideal gas within isothermal and adiabatic process can be

The ideal gas provides the simplest system to consider in thermodynamics

Physics 202, Lecture 6

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Page 4: Physics 202, Lecture 6 - Spotlights | Web services at …spot.pcc.edu/~dulrich/2013p202/2013p202ln06.pdf · Work done by an ideal gas within isothermal and adiabatic process can be

Work done by an ideal gas within isothermal and adiabatic process can becalculated

Physics 202, Lecture 6

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Page 5: Physics 202, Lecture 6 - Spotlights | Web services at …spot.pcc.edu/~dulrich/2013p202/2013p202ln06.pdf · Work done by an ideal gas within isothermal and adiabatic process can be

The Carnot heat engine is reversible and is therefore the upper bound onefficiency

Physics 202, Lecture 6

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Page 6: Physics 202, Lecture 6 - Spotlights | Web services at …spot.pcc.edu/~dulrich/2013p202/2013p202ln06.pdf · Work done by an ideal gas within isothermal and adiabatic process can be

Another perspective on entropy: energy irreversibly lost to mechanicalwork

Physics 202, Lecture 6

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Page 7: Physics 202, Lecture 6 - Spotlights | Web services at …spot.pcc.edu/~dulrich/2013p202/2013p202ln06.pdf · Work done by an ideal gas within isothermal and adiabatic process can be

Any decrease in system entropy must come from a larger increase some-where else

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Page 8: Physics 202, Lecture 6 - Spotlights | Web services at …spot.pcc.edu/~dulrich/2013p202/2013p202ln06.pdf · Work done by an ideal gas within isothermal and adiabatic process can be

Practical questions about the most efficient use of global energy is chal-lenging

Physics 202, Lecture 6

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Page 9: Physics 202, Lecture 6 - Spotlights | Web services at …spot.pcc.edu/~dulrich/2013p202/2013p202ln06.pdf · Work done by an ideal gas within isothermal and adiabatic process can be

Nearly all electricity generated in the US comes ultimately from steamengines

Physics 202, Lecture 6

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THE “DARK AGE” OF GREECE AND THE EIGHTH- …spot.pcc.edu/~jjohnson/History 101 Short Papers/Pages 36- 56... · GREECE AND THE EIGHTH-CENTURY “RENAISSANCE ... The “Dark Age”

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Physics 202, Lecture 5 - Web services at PCCspot.pcc.edu/~dulrich/2013p202/2013p202ln05.pdf · The kinetic hypothesis identi es heat energy with the random mechanical energy of molecules

Physics 202, Lecture 5 - Web services at PCCspot.pcc.edu/~dulrich/2013p202/2013p202ln05.pdf · The kinetic hypothesis identi es heat energy with the random mechanical energy of molecules

Physics 202 Examples - PCCspot.pcc.edu/~dulrich/2013p202/2013p202lx.pdf · Physics 202 Examples 3 Apr 10, 2013 1. When an object moves through a uid, the uid exerts a viscous force

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GREAT SENTENCES, 2 Edition - Spotlights | Web …spot.pcc.edu/~shenness/Level 4 Writing/Great Sentences...Become familiar with the parts of a sentence. (15-16; 18) 7. Learn to identify

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Drews, Robert. The End of the Bronze Age. Changes in Warfare …spot.pcc.edu/~jjohnson/HST 101 Online/Week 3: Project #1... · 2012-04-10 · meters, Bronze Age chariots pulled by

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Physics 202 Lecture Notes - PCCspot.pcc.edu/~dulrich/2013p202/2013p202ln03.pdf · Pascal’s principle: any pressure change will ow through the entire uid equally Physics 202, Lecture

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BACKING FOR DRYWALL MISCELLANEOUS BACKING …spot.pcc.edu/~rsteele/bct_120_123/drywall_backing.pdf · bct 121 wall framing backing for drywall miscellaneous backing prep walls for

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Module 5: Logarithmic Functions - Spotlights | Web …spot.pcc.edu/.../Module5_Logarithmic_Functions.pdfHaberman/Kling MTH 111c Section II: Exponential and Logarithmic Functions Module

Module 5: Logarithmic Functions - Spotlights | Web …spot.pcc.edu/.../Module5_Logarithmic_Functions.pdfHaberman/Kling MTH 111c Section II: Exponential and Logarithmic Functions Module

PHY200 Lecture Notes - Spotlights | Web services at PCCspot.pcc.edu/~dulrich/resources/2011p200ln.pdfLecture 1 Overview and Methods Read sections 1.1{1.3, also review Appendix Frequently

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Lab Objectives and Worksheets to accompany Fundamentals …spot.pcc.edu/anatomy/PDF/231_lab_survival_guide_summer09.pdf · Anatomy and Physiology I Sylvania Laboratory Survival Guide

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WLD 115 Shielded Metal Arc Welding: Mild Steel IV (E6011)spot.pcc.edu/~lolson/web/PDFs/115TP.pdf · Complete the exam and write all answers ... 3 points = 1 error in part sizing and/or

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- Vocabulary for Discussing Fiction - Portland …spot.pcc.edu/~dramirez/OER/OER_Short Stories_Reading8.docx · Web viewThis workbook has also been designed with assessment in mind.

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