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Graduate Calculating Convective Heat Transfer of Floor-Air

Apr 21, 2014 · Replies 8 · Apr 22, 2014

Replies: 8

Views: 3K

Undergrad Isothermal Process in a Non-Insulated Piston: Heat Exchange?

Apr 22, 2014 · Replies 2 · Apr 22, 2014

Replies: 2

Views: 1K

Graduate Do Fundamental Particles Experience Heat?

Apr 16, 2014 · Replies 18 · Apr 22, 2014

Replies: 18

Views: 3K

Graduate Introduction to Liouvillian Operator inStatistical Mechanics

Apr 17, 2014 · Replies 1 · Apr 21, 2014

Replies: 1

Views: 2K

High School Why Can't Permanent Magnets Create a Perpetual Motion Machine?

Apr 16, 2014 · Replies 4 · Apr 16, 2014

Replies: 4

Views: 2K

Graduate Power generation through endothermic heat absorption.

Apr 14, 2014 · Replies 6 · Apr 15, 2014

Replies: 6

Views: 5K

Undergrad Is pressure constant when you heat a balloon?

Apr 11, 2014 · Replies 9 · Apr 14, 2014

Replies: 9

Views: 4K

Graduate Barometric law for hard sphere sedimentation

Apr 13, 2014 · Replies 1 · Apr 13, 2014

Replies: 1

Views: 2K

Graduate Quasi(Almost) Equilibrium(Static) Processes <-> Real Life Processes

Apr 8, 2014 · Replies 4 · Apr 12, 2014

Replies: 4

Views: 3K

Undergrad What would be the best method for heating copper tubing via nichrome?

Apr 3, 2014 · Replies 3 · Apr 10, 2014

Replies: 3

Views: 3K

Undergrad Very Basic Thermodynamics, H20, and Jet Engines

Apr 9, 2014 · Replies 4 · Apr 10, 2014

Replies: 4

Views: 2K

High School Which gas has the highest flame temperature - hydrogen or carbon

Apr 9, 2014 · Replies 3 · Apr 10, 2014

Replies: 3

Views: 3K

High School Using dark tiles to heat a pool via absorption of solar energy

Apr 8, 2014 · Replies 7 · Apr 9, 2014

Replies: 7

Views: 22K

Undergrad Does Heat Really Weaken Intermolecular Forces During Melting and Boiling?

Apr 8, 2014 · Replies 4 · Apr 9, 2014

Replies: 4

Views: 2K

Undergrad Emissivity of Skin: Unity & Ice | Need Help & Guidance

Apr 8, 2014 · Replies 1 · Apr 8, 2014

Replies: 1

Views: 5K

Graduate Rocket engine gimballing - torque and angular acceleration question

Apr 4, 2014 · Replies 4 · Apr 8, 2014

Replies: 4

Views: 3K

Graduate Vacuum bags inflating in Cryogenic Storage

Apr 7, 2014 · Replies 3 · Apr 7, 2014

Replies: 3

Views: 2K

Graduate Extensive & intensive parmeters of TS

Apr 2, 2014 · Replies 6 · Apr 5, 2014

Replies: 6

Views: 3K

Graduate Change in Entropy for Irreversible Processes

Apr 5, 2014 · Replies 1 · Apr 5, 2014

Replies: 1

Views: 2K

Undergrad What is the difference between internal energy and enthelpy?

Apr 1, 2014 · Replies 5 · Apr 3, 2014

Replies: 5

Views: 7K

High School Where does thermal radiation come from?

Mar 31, 2014 · Replies 23 · Apr 3, 2014

Replies: 23

Views: 4K

Graduate This thermodynamic quantity equals what?

Mar 30, 2014 · Replies 1 · Apr 1, 2014

Replies: 1

Views: 1K

Undergrad How to calculate thermal exchange rate of water inside Pex piping.

Jun 4, 2012 · Replies 18 · Mar 29, 2014

Replies: 18

Views: 17K

Undergrad Isothermal & adiabatic processes

Mar 28, 2014 · Replies 2 · Mar 29, 2014

Replies: 2

Views: 3K

High School Why does shiny metal get so hot in the sun

Mar 29, 2014 · Replies 2 · Mar 29, 2014

Replies: 2

Views: 15K

High School Took apart a hot plate, nichrome is touching directly to the iron?

Mar 26, 2014 · Replies 2 · Mar 28, 2014

Replies: 2

Views: 2K

Graduate Homeopathy and the second law of thermodynamics

Mar 27, 2014 · Replies 3 · Mar 27, 2014

Replies: 3

Views: 3K

Undergrad Gibbs Free Energy A Measure of Stability

Mar 26, 2014 · Replies 1 · Mar 27, 2014

Replies: 1

Views: 2K

Undergrad Boyle's law and constant temperature

Mar 26, 2014 · Replies 3 · Mar 26, 2014

Replies: 3

Views: 3K

Graduate How can I efficiently heat a moving organic object for thermographic imaging?

Mar 26, 2014 · Replies 1 · Mar 26, 2014

Replies: 1

Views: 2K

High School Newton's Third Law and the Conservation of Momentum

Mar 24, 2014 · Replies 8 · Mar 25, 2014

Replies: 8

Views: 3K

Graduate What Is the Boiling Point of POE Oil at 500 Microns Pressure?

Mar 22, 2014 · Replies 5 · Mar 23, 2014

Replies: 5

Views: 12K

Undergrad Why adiabatic process is required in heat engine?

Mar 20, 2014 · Replies 3 · Mar 23, 2014

Replies: 3

Views: 2K

Undergrad Bell shape like of Planck's distribution

Mar 22, 2014 · Replies 9 · Mar 22, 2014

Replies: 9

Views: 3K

Undergrad Reversed Carnot Cycle: Explained for Refrigerators

Mar 20, 2014 · Replies 2 · Mar 21, 2014

Replies: 2

Views: 2K

Undergrad Heat transfer from gas to gas?

Mar 20, 2014 · Replies 1 · Mar 20, 2014

Replies: 1

Views: 1K

Undergrad Heat insulators and conductors

Mar 19, 2014 · Replies 4 · Mar 20, 2014

Replies: 4

Views: 2K

Graduate How Does Thermal Conductivity Influence Temperature at Material Interfaces?

Mar 19, 2014 · Replies 4 · Mar 19, 2014

Replies: 4

Views: 2K

Graduate Equilibirum concentration in thermodynamics

Mar 17, 2014 · Replies 4 · Mar 18, 2014

Replies: 4

Views: 1K

Graduate Energy required to cycle a counter through its states.

Mar 11, 2014 · Replies 7 · Mar 18, 2014

Replies: 7

Views: 2K

Undergrad Newton's First Law of Motion is Wrong (Proven Wrong in This Thread)

Mar 17, 2014 · Replies 5 · Mar 17, 2014

Replies: 5

Views: 27K

Graduate H20, CO2 and O2 in a Closed Container for a Long Time

Mar 15, 2014 · Replies 6 · Mar 15, 2014

Replies: 6

Views: 3K

Graduate Heat in the molecular/atomic scale

Mar 15, 2014 · Replies 1 · Mar 15, 2014

Replies: 1

Views: 2K

Graduate Caratheodory's formulation of thermodynamics, Rejected?

Mar 12, 2014 · Replies 5 · Mar 13, 2014

Replies: 5

Views: 2K

High School Why Does Hot Air Rise Above Cooler Air?

Jun 23, 2004 · Replies 66 · Mar 12, 2014

3

Replies: 66

Views: 114K

Undergrad Peltier cooler advice 200c to 60c is it possible?

Mar 10, 2014 · Replies 7 · Mar 12, 2014

Replies: 7

Views: 2K

Undergrad Heat, Work, and Energy: Understanding Charles Law and Internal Energy

Mar 11, 2014 · Replies 5 · Mar 12, 2014

Replies: 5

Views: 2K

Undergrad How to calculate of heat combuation for sulfur

Mar 11, 2014 · Replies 1 · Mar 11, 2014

Replies: 1

Views: 1K

Graduate Thermodynamic PV-diagram: Why does a critical point =inflection point?

Mar 10, 2014 · Replies 5 · Mar 11, 2014

Replies: 5

Views: 5K

High School What materials heat up under pressure and for how long?

Mar 11, 2014 · Replies 3 · Mar 11, 2014

Replies: 3

Views: 6K

Graduate Is Constant Temperature Required in the Proof of Helmholtz Free Energy?

Mar 8, 2014 · Replies 6 · Mar 10, 2014

Replies: 6

Views: 2K

Graduate Why Do Systems Need to Dump Excess Entropy?

Mar 9, 2014 · Replies 1 · Mar 9, 2014

Replies: 1

Views: 2K

Undergrad Calculating Heat Transfer Between 3 Mediums: Copper, Ground, Water

Mar 7, 2014 · Replies 4 · Mar 8, 2014

Replies: 4

Views: 2K

Graduate Entropy Generation in a Rod: Heat Transfer Considerations

Mar 8, 2014 · Replies 2 · Mar 8, 2014

Replies: 2

Views: 2K

High School Can Humans Generate Enough Heat to Power the World?

Mar 6, 2014 · Replies 6 · Mar 8, 2014

Replies: 6

Views: 2K

Undergrad What is the flame temperature for burning alkali metals in oxygen

Mar 8, 2014 · Replies 2 · Mar 8, 2014

Replies: 2

Views: 2K

Undergrad What does mean sulfur has auto-ignition Temperature 248-266C

Mar 8, 2014 · Replies 1 · Mar 8, 2014

Replies: 1

Views: 2K

Undergrad Energy - need a proper definition please

Mar 7, 2014 · Replies 6 · Mar 7, 2014

Replies: 6

Views: 2K

High School Does thermal radiation involve ultraviolet x ray and jamma ray

Mar 5, 2014 · Replies 9 · Mar 7, 2014

Replies: 9

Views: 3K

Undergrad Is the efficiency of heat engine more in hilly areas than in plains?

Mar 6, 2014 · Replies 3 · Mar 6, 2014

Replies: 3

Views: 4K

Undergrad What is the Meaning of Entropy Change for a Reservoir?

Mar 6, 2014 · Replies 2 · Mar 6, 2014

Replies: 2

Views: 2K

Graduate Difference between Heat Death and the Big Freeze ?

Mar 5, 2014 · Replies 1 · Mar 5, 2014

Replies: 1

Views: 4K

Undergrad Why Is My Calculated Keq from Gibbs Free Energy So Far Off?

Mar 4, 2014 · Replies 3 · Mar 4, 2014

Replies: 3

Views: 2K

Graduate Converting Density to Standard Density

Mar 3, 2014 · Replies 5 · Mar 4, 2014

Replies: 5

Views: 6K

Graduate Understanding Thermodynamic Variables: Fixing Confusion and Clarifying Relations

Mar 3, 2014 · Replies 2 · Mar 3, 2014

Replies: 2

Views: 2K

Graduate Measuring thermal energy of surface contaminants

Feb 27, 2014 · Replies 1 · Feb 27, 2014

Replies: 1

Views: 1K

Undergrad Individual states of a particular energy level

Feb 25, 2014 · Replies 2 · Feb 26, 2014

Replies: 2

Views: 1K

Graduate Question about u and h and Its Differential Changes for Ideal Gases

Feb 24, 2014 · Replies 10 · Feb 26, 2014

Replies: 10

Views: 2K

Undergrad Measuring temperature in a metal bar

Feb 24, 2014 · Replies 4 · Feb 25, 2014

Replies: 4

Views: 3K

Graduate Thermodynamics without partition function

Feb 23, 2014 · Replies 9 · Feb 25, 2014

Replies: 9

Views: 2K

High School Can anyone help with the perception of temperature difference?

Feb 23, 2014 · Replies 4 · Feb 24, 2014

Replies: 4

Views: 2K

Undergrad Does eating decrease the entropy of my body?

Feb 23, 2014 · Replies 4 · Feb 23, 2014

Replies: 4

Views: 7K

Graduate Thermodynamics and microwaving food

Feb 23, 2014 · Replies 4 · Feb 23, 2014

Replies: 4

Views: 2K

Graduate Varying thermal conductivity with length

Feb 21, 2014 · Replies 7 · Feb 22, 2014

Replies: 7

Views: 2K

Undergrad Heat flow through rubber sample

Feb 18, 2014 · Replies 19 · Feb 21, 2014

Replies: 19

Views: 3K

Graduate What are the Three Main Types of Connections in Thermodynamics?

Feb 20, 2014 · Replies 2 · Feb 21, 2014

Replies: 2

Views: 2K

Undergrad What is the mechanism behind milk foaming in cappuccinos?

Feb 16, 2014 · Replies 5 · Feb 20, 2014

Replies: 5

Views: 5K

Undergrad Strange claims about heat transfer

Feb 17, 2014 · Replies 3 · Feb 18, 2014

Replies: 3

Views: 1K

Graduate Understanding Entropy and Fluctuation: The 2nd Law of Thermodynamics Explained

Feb 16, 2014 · Replies 8 · Feb 17, 2014

Replies: 8

Views: 2K

Undergrad Linear thermal expansion problem

Feb 16, 2014 · Replies 8 · Feb 16, 2014

Replies: 8

Views: 7K

Graduate Entropy Change of Ideal Gas Upon Inserting Wall

Feb 15, 2014 · Replies 1 · Feb 16, 2014

Replies: 1

Views: 2K

Graduate PCM wax freezing outside solid, inside liquid

Feb 14, 2014 · Replies 2 · Feb 14, 2014

Replies: 2

Views: 3K

Undergrad Can adjusting the scale compensate for imperfections in a mercury barometer?

Feb 13, 2014 · Replies 6 · Feb 14, 2014

Replies: 6

Views: 2K

Graduate Second Law of Thermo: Is Entropy Decreasing Possible?

Feb 11, 2014 · Replies 8 · Feb 14, 2014

Replies: 8

Views: 3K

Undergrad Heat Loss & Mass: Kinetic Theory Explained

Feb 14, 2014 · Replies 8 · Feb 14, 2014

Replies: 8

Views: 7K

Undergrad Enthelpy ,gibbs free energy, helmholtz free energy

Feb 14, 2014 · Replies 1 · Feb 14, 2014

Replies: 1

Views: 2K

Undergrad What volume does the v in pv denotes?

Feb 12, 2014 · Replies 4 · Feb 13, 2014

Replies: 4

Views: 2K

Undergrad Why is Entropy Highest at Lowest Energy?

Feb 10, 2014 · Replies 16 · Feb 12, 2014

Replies: 16

Views: 3K

Undergrad Vibrational /rotational temperature?

Feb 9, 2014 · Replies 3 · Feb 10, 2014

Replies: 3

Views: 3K

Undergrad Thermal transfer improvement from adding fins

Feb 9, 2014 · Replies 1 · Feb 10, 2014

Replies: 1

Views: 1K

Graduate Modifying the heat equation for multiple sources

Feb 9, 2014 · Replies 1 · Feb 9, 2014

Replies: 1

Views: 1K

Graduate Ideal Gas Equation: Deriving pV=Nm<c>^2/3

Jan 25, 2014 · Replies 7 · Feb 8, 2014

Replies: 7

Views: 2K

High School Why does releasing compressed gas cause the container to cool down?

Feb 4, 2014 · Replies 25 · Feb 7, 2014

Replies: 25

Views: 11K

Graduate Entropy, chemical potential, temperature

Feb 5, 2014 · Replies 2 · Feb 7, 2014

Replies: 2

Views: 2K

Undergrad Thermodynamics? number crunching thermal conductivity

Feb 5, 2014 · Replies 3 · Feb 5, 2014

Replies: 3

Views: 2K

Graduate [Thermodynamics] Is this even possible?

Feb 5, 2014 · Replies 1 · Feb 5, 2014

Replies: 1

Views: 1K

Graduate Why does ITC measure Enthelpy, not Gibbs Energy?

Feb 4, 2014 · Replies 1 · Feb 4, 2014

Replies: 1

Views: 2K

Undergrad I thought enthelpy meant total internal energy?

Feb 2, 2014 · Replies 7 · Feb 4, 2014

Replies: 7

Views: 2K

Graduate Something that should be extremely simple - Blackbody Curve

Jan 29, 2014 · Replies 7 · Feb 4, 2014

Replies: 7

Views: 2K

Graduate Understanding the Minimum Energy Principle in Thermodynamics

Feb 2, 2014 · Replies 7 · Feb 4, 2014

Replies: 7

Views: 3K

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