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High School How does heat transfer take place?

Mar 21, 2015 · Replies 10 · Mar 21, 2015

Replies: 10

Views: 5K

Undergrad Need some info about light heat amplified by lens

Mar 19, 2015 · Replies 4 · Mar 19, 2015

Replies: 4

Views: 1K

Graduate How Is Time Factored Into the Derivation of the Ideal Gas Law?

Mar 17, 2015 · Replies 4 · Mar 18, 2015

Replies: 4

Views: 3K

Undergrad Computer games based on physics engines

Mar 17, 2015 · Replies 13 · Mar 18, 2015

Replies: 13

Views: 3K

High School How fast would 18.5L water temperature rise to 144 degrees?

Mar 18, 2015 · Replies 2 · Mar 18, 2015

Replies: 2

Views: 1K

Graduate Help setting up heat transfer equation

Mar 17, 2015 · Replies 5 · Mar 17, 2015

Replies: 5

Views: 2K

Graduate Throttling process (Joule Thomson coefficient)

Feb 21, 2015 · Replies 3 · Mar 17, 2015

Replies: 3

Views: 5K

Graduate Glass transition temperature; slowly cooling it

Mar 15, 2015 · Replies 2 · Mar 16, 2015

Replies: 2

Views: 4K

Graduate Entropy change in irreversible processes

Mar 15, 2015 · Replies 8 · Mar 16, 2015

Replies: 8

Views: 3K

Undergrad Entropy: Definition, Misconceptions & Increase in Closed System

Mar 9, 2015 · Replies 8 · Mar 15, 2015

Replies: 8

Views: 2K

Graduate Applying the ideal gas law in the Earth's atmosphere

Mar 15, 2015 · Replies 1 · Mar 15, 2015

Replies: 1

Views: 3K

Graduate Modeling boiling in a closed container with a small hole

Mar 11, 2015 · Replies 6 · Mar 14, 2015

Replies: 6

Views: 2K

High School Thermal Physics: Questions on change of state

Mar 14, 2015 · Replies 3 · Mar 14, 2015

Replies: 3

Views: 1K

Undergrad Thermodynamics - Boyle's & Charle's Law

Mar 13, 2015 · Replies 3 · Mar 14, 2015

Replies: 3

Views: 2K

Undergrad Calculating Heat Transmission: Tips and Formulas for Scientists

Mar 8, 2015 · Replies 14 · Mar 13, 2015

Replies: 14

Views: 4K

Undergrad Heat transfer and surface area of a pipe

Mar 10, 2015 · Replies 3 · Mar 12, 2015

Replies: 3

Views: 2K

Graduate Gas in a semi permeable membrane - one for the gas experts

Mar 11, 2015 · Replies 4 · Mar 11, 2015

Replies: 4

Views: 2K

Undergrad Camp fire melting ice in a strange way

Feb 17, 2014 · Replies 11 · Mar 10, 2015

Replies: 11

Views: 4K

Graduate Emission radiance in participating media

Mar 4, 2015 · Replies 7 · Mar 9, 2015

Replies: 7

Views: 2K

Undergrad Why do ceramic heat emitters produce UV radiation?

Mar 9, 2015 · Replies 2 · Mar 9, 2015

Replies: 2

Views: 3K

Graduate 2nd Law of Thermo relation to initial condition of universe

Mar 8, 2015 · Replies 2 · Mar 9, 2015

Replies: 2

Views: 1K

Graduate Point in Phase Space and a Microstate

Mar 9, 2015 · Replies 6 · Mar 9, 2015

Replies: 6

Views: 2K

Undergrad Definition of a closed thermodynamical system.

Mar 8, 2015 · Replies 1 · Mar 8, 2015

Replies: 1

Views: 1K

Undergrad Whats the difference between q and q_v in thermodynamics?

Mar 5, 2015 · Replies 6 · Mar 7, 2015

Replies: 6

Views: 2K

Undergrad Home Improvement Project & PV=nRT

Mar 6, 2015 · Replies 2 · Mar 6, 2015

Replies: 2

Views: 1K

Graduate Is the concept of entropy addressed in the Lagrangian formalism?

Mar 6, 2015 · Replies 9 · Mar 6, 2015

Replies: 9

Views: 3K

Graduate Solution to the heat equation from a source

Mar 2, 2015 · Replies 1 · Mar 6, 2015

Replies: 1

Views: 1K

Graduate Inverse of wien's displacement

Mar 6, 2015 · Replies 1 · Mar 6, 2015

Replies: 1

Views: 921

Undergrad Scientific Laws for Engineering Materials

Mar 5, 2015 · Replies 5 · Mar 5, 2015

Replies: 5

Views: 2K

Undergrad How much heat is transferred by a waterfall in a swimming pool?

Mar 4, 2015 · Replies 4 · Mar 5, 2015

Replies: 4

Views: 2K

Undergrad Understanding Thermal Properties of Materials: A Comprehensive Guide

Mar 3, 2015 · Replies 6 · Mar 4, 2015

Replies: 6

Views: 2K

Undergrad Dew point more important than boiling point

Mar 4, 2015 · Replies 2 · Mar 4, 2015

Replies: 2

Views: 2K

Graduate Can Low Grade Energy Be Efficiently Converted to High Grade?

Mar 4, 2015 · Replies 2 · Mar 4, 2015

Replies: 2

Views: 2K

Graduate Ising Model and Partition FUnction

Mar 4, 2015 · Replies 1 · Mar 4, 2015

Replies: 1

Views: 2K

Graduate Two quick/dumb questions regarding thermodynamics

Mar 3, 2015 · Replies 3 · Mar 4, 2015

Replies: 3

Views: 1K

Graduate Measuring Radiation in a Closed System

Mar 3, 2015 · Replies 1 · Mar 3, 2015

Replies: 1

Views: 1K

Undergrad Work & Heat Transfer: Newton's 3rd Law & Internal Energy

Mar 1, 2015 · Replies 3 · Mar 2, 2015

Replies: 3

Views: 1K

High School Can Energy Be Recycled Using This Setup?

Mar 2, 2015 · Replies 1 · Mar 2, 2015

Replies: 1

Views: 1K

Graduate Can someone explain this thermodynamics related doubt i have?

Mar 2, 2015 · Replies 1 · Mar 2, 2015

Replies: 1

Views: 1K

Graduate How to calculate thermal radiation intensity without surfaces?

Feb 9, 2015 · Replies 10 · Mar 2, 2015

Replies: 10

Views: 2K

Undergrad Newton's Third Law and a rocket in space

Feb 27, 2015 · Replies 10 · Mar 1, 2015

Replies: 10

Views: 2K

Undergrad Can evaporation take place in this scenario?

Feb 20, 2015 · Replies 3 · Mar 1, 2015

Replies: 3

Views: 2K

Undergrad Intermolecular forces and temperature

Feb 27, 2015 · Replies 2 · Feb 28, 2015

Replies: 2

Views: 1K

Undergrad Science fair physics Investigation

Feb 27, 2015 · Replies 7 · Feb 27, 2015

Replies: 7

Views: 2K

Graduate Time dependance of temperature rise

Feb 26, 2015 · Replies 1 · Feb 26, 2015

Replies: 1

Views: 1K

Graduate Another contradiction in thermodynamics?

Feb 23, 2015 · Replies 50 · Feb 26, 2015

2

Replies: 50

Views: 4K

Graduate Emissivity & internal blackbody

Feb 23, 2015 · Replies 18 · Feb 25, 2015

Replies: 18

Views: 3K

Undergrad Simulating 1D Thermal Conduction with Vacuum in Comsol 4.4

Feb 25, 2015 · Replies 1 · Feb 25, 2015

Replies: 1

Views: 5K

Graduate Accelerating Particle Radiation

Feb 8, 2015 · Replies 7 · Feb 25, 2015

Replies: 7

Views: 2K

Graduate Contradiction in thermodynamics problem?

Feb 22, 2015 · Replies 16 · Feb 24, 2015

Replies: 16

Views: 2K

Undergrad Does same temperature of two bodies = same internal energy?

Feb 24, 2015 · Replies 6 · Feb 24, 2015

Replies: 6

Views: 12K

Undergrad Mastering Thermodynamics: Tips and Tricks for Exam Success

Feb 23, 2015 · Replies 2 · Feb 23, 2015

Replies: 2

Views: 1K

Undergrad PSSSix Chapter 2 - Thermal Physics (sample consult)

Feb 23, 2015 · Replies 2 · Feb 23, 2015

Replies: 2

Views: 953

Undergrad How to Calculate Gas Concentration in a Chamber Without Sensors?

Feb 17, 2015 · Replies 6 · Feb 22, 2015

Replies: 6

Views: 2K

High School Why does temperature decrease with depth underwater?

Feb 22, 2015 · Replies 3 · Feb 22, 2015

Replies: 3

Views: 2K

Graduate Why the Carnot Cycle? | Understanding Efficiency in Heat Engines

Feb 21, 2015 · Replies 2 · Feb 21, 2015

Replies: 2

Views: 2K

Undergrad Basic Thermodynamics: Calculating Temperatures Over Time

Feb 16, 2015 · Replies 8 · Feb 19, 2015

Replies: 8

Views: 2K

Graduate De Broglie wavelength and ideal gas entropy derivation

Feb 18, 2015 · Replies 1 · Feb 19, 2015

Replies: 1

Views: 2K

Undergrad Questions About Stefan-Boltzmann Law

Feb 17, 2015 · Replies 5 · Feb 18, 2015

Replies: 5

Views: 2K

Graduate Thermodynamics: Enthelpy vs. Gibbs Free Energy usage

Feb 11, 2015 · Replies 9 · Feb 18, 2015

Replies: 9

Views: 3K

Undergrad Does a heat sink work equally well in both hot and cold environments?

Feb 17, 2015 · Replies 3 · Feb 17, 2015

Replies: 3

Views: 2K

Graduate Adiabatic irreversible expansion

Feb 15, 2015 · Replies 25 · Feb 17, 2015

Replies: 25

Views: 5K

Undergrad How Did Newton Originally Formulate His Second Law of Motion?

Feb 10, 2015 · Replies 6 · Feb 16, 2015

Replies: 6

Views: 2K

Undergrad Ultrasound Heat Generation: Equation, Table, and Approximations

Feb 16, 2015 · Replies 1 · Feb 16, 2015

Replies: 1

Views: 2K

Absolute Hot - infographic on temperatures

Feb 12, 2015 · Replies 8 · Feb 15, 2015

Replies: 8

Views: 2K

Graduate (Gases) How to get dU=(PdV+VdP)/(gamma-1) from U=PV/

Feb 15, 2015 · Replies 3 · Feb 15, 2015

Replies: 3

Views: 2K

Graduate Heat conduction numerical model

Feb 13, 2015 · Replies 4 · Feb 15, 2015

Replies: 4

Views: 2K

Undergrad Thermodynamics : Isothermal process

Feb 12, 2015 · Replies 3 · Feb 13, 2015

Replies: 3

Views: 2K

Graduate Understanding Thermodynamics Entropy: Common Questions Answered

Jan 1, 2015 · Replies 7 · Feb 13, 2015

Replies: 7

Views: 2K

Undergrad Confusion with internal energy and enthelpy

Sep 24, 2013 · Replies 3 · Feb 13, 2015

Replies: 3

Views: 3K

Undergrad Ambient temperature on production floor

Jan 13, 2015 · Replies 6 · Feb 13, 2015

Replies: 6

Views: 3K

Graduate Pf = Pi * (Vi/Vf)^5/3 (since gamma = 5/3 for a monatomic gas)

Feb 13, 2015 · Replies 3 · Feb 13, 2015

Replies: 3

Views: 5K

High School Make Hot Wire with 9V Battery: 200c/300c

Feb 12, 2015 · Replies 4 · Feb 12, 2015

Replies: 4

Views: 1K

Undergrad Gas density and mass (Attraction towards Earth)

Feb 12, 2015 · Replies 9 · Feb 12, 2015

Replies: 9

Views: 2K

Undergrad Vacuum Pump: Relation to Condensed Water & Ideal Gas Equation

Jul 31, 2009 · Replies 1 · Feb 12, 2015

Replies: 1

Views: 3K

Graduate Enthelpy for Constant Pressure and Constant Volume Systems?

Feb 11, 2015 · Replies 3 · Feb 12, 2015

Replies: 3

Views: 2K

Graduate Understanding Thermodynamic Efficiency: Debunking Myths

Feb 11, 2015 · Replies 18 · Feb 11, 2015

Replies: 18

Views: 2K

Undergrad Is the natural behavior of matter to lose energy?

Feb 2, 2015 · Replies 10 · Feb 10, 2015

Replies: 10

Views: 3K

Graduate Thermal transfer estimation (to simulate a game)

Feb 9, 2015 · Replies 1 · Feb 10, 2015

Replies: 1

Views: 1K

Undergrad Can someone explain this? (Thermodynamics)

Feb 8, 2015 · Replies 7 · Feb 10, 2015

Replies: 7

Views: 2K

High School True?: Heat rises, so you can put thermostat lower upstairs

Feb 2, 2015 · Replies 16 · Feb 9, 2015

Replies: 16

Views: 7K

Undergrad Describe disorder in terms of entropy

Feb 8, 2015 · Replies 7 · Feb 8, 2015

Replies: 7

Views: 2K

Graduate Joule-Thomson-Coefficient (JTC)

Feb 5, 2015 · Replies 6 · Feb 8, 2015

Replies: 6

Views: 2K

High School Solve Linear Expansion Problem at 35ºC | AP Physics 2

Feb 4, 2015 · Replies 3 · Feb 8, 2015

Replies: 3

Views: 2K

High School Does heat affect the mass of an object?

Feb 7, 2015 · Replies 3 · Feb 8, 2015

Replies: 3

Views: 5K

High School Understanding Newton's Third Law: The Cause of Balloon Movement

Feb 4, 2015 · Replies 2 · Feb 7, 2015

Replies: 2

Views: 2K

Undergrad Finding Specification for Heating Nichrome Wire

Feb 6, 2015 · Replies 2 · Feb 7, 2015

Replies: 2

Views: 1K

Graduate Thermal Physics: Energy change due to compression

Feb 6, 2015 · Replies 2 · Feb 6, 2015

Replies: 2

Views: 1K

Undergrad Thermodynamics of Ideal Counterflow Heat Exchanger

Feb 6, 2015 · Replies 3 · Feb 6, 2015

Replies: 3

Views: 1K

Classical physics Video Lectures

Feb 6, 2015 · Replies 7 · Feb 6, 2015

Replies: 7

Views: 2K

High School Gas Volume Calc: Find Out Rate of LPG Cylinder Reduction

Feb 4, 2015 · Replies 2 · Feb 5, 2015

Replies: 2

Views: 2K

Graduate Relationship between thermodynamics and differential geometry

Feb 5, 2015 · Replies 1 · Feb 5, 2015

Replies: 1

Views: 2K

Graduate Pigments, EM radiation and quantum mechanics.

Feb 5, 2015 · Replies 1 · Feb 5, 2015

Replies: 1

Views: 2K

High School Unravelling the Mystery of the Spinning Top

Feb 3, 2015 · Replies 2 · Feb 3, 2015

Replies: 2

Views: 1K

Undergrad How to solve for delta S surroundings at standard conditions

Feb 1, 2015 · Replies 10 · Feb 2, 2015

Replies: 10

Views: 58K

High School Trouble with Newton's Third Law of Motion

Jan 29, 2015 · Replies 12 · Feb 2, 2015

Replies: 12

Views: 3K

High School Heat-Unstable Materials: Causes and Examples

Feb 2, 2015 · Replies 7 · Feb 2, 2015

Replies: 7

Views: 2K

Graduate Oxygen Absorber at 200-350 deg F For Curing Photopolymer

Jan 24, 2015 · Replies 3 · Jan 31, 2015

Replies: 3

Views: 1K

Undergrad Calculations for cooling a volume of air

Jan 29, 2015 · Replies 2 · Jan 30, 2015

Replies: 2

Views: 3K

Undergrad Latent heat of fusion for water question

Jan 28, 2015 · Replies 8 · Jan 28, 2015

Replies: 8

Views: 3K

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