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Graduate Explain convection heat transfer using kinetic theory

May 24, 2015 · Replies 1 · May 27, 2015

Replies: 1

Views: 6K

Undergrad Gas consumption vs oven temperature setting point

May 27, 2015 · Replies 1 · May 27, 2015

Replies: 1

Views: 1K

Undergrad A question about heat transfer in our atmosphere

May 26, 2015 · Replies 2 · May 26, 2015

Replies: 2

Views: 1K

Undergrad Engineering Economics - Practice Problems

May 25, 2015 · Replies 1 · May 26, 2015

Replies: 1

Views: 2K

Graduate Angular distribution of radiation in relativistic limit

May 25, 2015 · Replies 9 · May 26, 2015

Replies: 9

Views: 1K

Undergrad Compare Energy Consumption for different phases of a system

May 25, 2015 · Replies 2 · May 25, 2015

Replies: 2

Views: 1K

High School Reason for: Temperature is proportional to atomic motio

May 25, 2015 · Replies 3 · May 25, 2015

Replies: 3

Views: 1K

Graduate Solar Still: Factors to Consider

May 22, 2015 · Replies 6 · May 24, 2015

Replies: 6

Views: 2K

Undergrad Heating water passing trough an 14mm SS pipe

May 20, 2015 · Replies 2 · May 24, 2015

Replies: 2

Views: 1K

Graduate What Happens to Closed-Cell Foam at Cryogenic Temperatures?

May 17, 2015 · Replies 1 · May 23, 2015

Replies: 1

Views: 1K

Graduate Do humans increase Entropy at a faster rate?

May 22, 2015 · Replies 5 · May 23, 2015

Replies: 5

Views: 3K

High School What is the Difference Between Color Temperature and Actual Temperature?

May 22, 2015 · Replies 5 · May 22, 2015

Replies: 5

Views: 1K

Undergrad AM Radio signal IS sounding from my wall heater

May 22, 2015 · Replies 4 · May 22, 2015

Replies: 4

Views: 2K

Graduate I really do not understand entropy - entropy increases wrt T

May 21, 2015 · Replies 2 · May 22, 2015

Replies: 2

Views: 2K

Undergrad What is Entropy? Understanding the Measurement

May 19, 2015 · Replies 17 · May 20, 2015

Replies: 17

Views: 3K

Undergrad Determination of specific heat in a reaction

May 19, 2015 · Replies 7 · May 19, 2015

Replies: 7

Views: 1K

Graduate What Makes the Carnot Cycle the Most Efficient?

May 16, 2015 · Replies 1 · May 19, 2015

Replies: 1

Views: 9K

Graduate Calculating temp change releasing a compressed gas

May 17, 2015 · Replies 5 · May 18, 2015

Replies: 5

Views: 4K

Undergrad How temperature affects relative humidity

May 18, 2015 · Replies 2 · May 18, 2015

Replies: 2

Views: 3K

Graduate Entropy -- prove it increases for irreversible process

May 18, 2015 · Replies 1 · May 18, 2015

Replies: 1

Views: 3K

Undergrad Can I Control Wire Temperature Using Ampere Load?

May 17, 2015 · Replies 12 · May 18, 2015

Replies: 12

Views: 6K

Undergrad What happens when an element is heated?

May 16, 2015 · Replies 7 · May 17, 2015

Replies: 7

Views: 3K

Undergrad Impulse Engine (Drive) ....a stupid question?

May 16, 2015 · Replies 2 · May 16, 2015

Replies: 2

Views: 1K

High School How do we measure the thermal energy of an object?

May 14, 2015 · Replies 3 · May 15, 2015

Replies: 3

Views: 2K

Undergrad Peltier cooler- thermodynamics

May 14, 2015 · Replies 2 · May 15, 2015

Replies: 2

Views: 2K

Graduate Modeling technique for Joule heating

May 14, 2015 · Replies 4 · May 14, 2015

Replies: 4

Views: 2K

Graduate Apparent violation of kirchoff's law of thermal radiation

May 14, 2015 · Replies 1 · May 14, 2015

Replies: 1

Views: 1K

High School Understanding Energy Loss to Heat and Friction in Bouncing Objects

May 12, 2015 · Replies 2 · May 12, 2015

Replies: 2

Views: 2K

Undergrad Thermodynamics heating water from a copper tube

Apr 13, 2015 · Replies 26 · May 12, 2015

Replies: 26

Views: 12K

Undergrad Is it possible to achieve absolute zero?

May 9, 2015 · Replies 32 · May 11, 2015

2

Replies: 32

Views: 4K

Undergrad How a microwave seems to heat oil just as well as water

May 11, 2015 · Replies 1 · May 11, 2015

Replies: 1

Views: 2K

Graduate Joule's Expansion & Entropy Production

May 10, 2015 · Replies 5 · May 10, 2015

Replies: 5

Views: 2K

High School Calculate Heat Produced by 12V 50W Halogen Lamp

May 9, 2015 · Replies 3 · May 9, 2015

Replies: 3

Views: 2K

Graduate A heating element in a container with low pressure gas?

May 8, 2015 · Replies 7 · May 9, 2015

Replies: 7

Views: 2K

Graduate Compressibility factor and van der Waals equation for temp

May 2, 2015 · Replies 3 · May 8, 2015

Replies: 3

Views: 4K

Graduate Can Delta U for Water Systems in Contact Be Equal and Opposite?

May 7, 2015 · Replies 11 · May 7, 2015

Replies: 11

Views: 2K

Graduate How Safe Is The Constant Pressure Assumption For Enthelpy?

May 6, 2015 · Replies 3 · May 7, 2015

Replies: 3

Views: 2K

Undergrad Interplay of saturation temperature and pressure

May 2, 2015 · Replies 9 · May 6, 2015

Replies: 9

Views: 3K

Graduate The difference between heat and work?

May 6, 2015 · Replies 2 · May 6, 2015

Replies: 2

Views: 3K

High School Is there any derivation of Newton's second law?

Apr 28, 2015 · Replies 42 · May 5, 2015

2

Replies: 42

Views: 13K

High School Solve Combined Gas Law: National 5 Physics Exam Help

May 4, 2015 · Replies 7 · May 5, 2015

Replies: 7

Views: 2K

High School Kelvin Scale Accuracy: Why 1K = 1°C?

May 4, 2015 · Replies 6 · May 4, 2015

Replies: 6

Views: 5K

Graduate Maximum Entropy Information System

May 1, 2015 · Replies 7 · May 3, 2015

Replies: 7

Views: 2K

Undergrad Does a Perfect Thermos Continue Cooking Food Like a Traditional Heat Source?

Apr 25, 2013 · Replies 15 · May 3, 2015

Replies: 15

Views: 4K

Graduate Spaceship propelled by Stefan's law of heat radiation?

May 3, 2015 · Replies 3 · May 3, 2015

Replies: 3

Views: 1K

High School Do black objects get hotter than white objects in the sun?

Apr 29, 2015 · Replies 11 · Apr 30, 2015

Replies: 11

Views: 8K

High School Understanding the Sun's Role in Warming the Earth

Apr 6, 2015 · Replies 14 · Apr 30, 2015

Replies: 14

Views: 3K

Undergrad Temperature as a measure of thermal energy

Apr 29, 2015 · Replies 2 · Apr 29, 2015

Replies: 2

Views: 2K

Undergrad Maximizing Pool Heating: Comparing Flow Rates for Efficient Heat Transfer

Apr 29, 2015 · Replies 3 · Apr 29, 2015

Replies: 3

Views: 2K

Graduate Heat transfer of a hot plastic thread in a cold water bath

Apr 28, 2015 · Replies 7 · Apr 28, 2015

Replies: 7

Views: 4K

Undergrad Temperature and Average kinetic energy of moleces

Apr 27, 2015 · Replies 1 · Apr 27, 2015

Replies: 1

Views: 1K

Graduate Water anomaly -- Heat capacities

Apr 26, 2015 · Replies 1 · Apr 27, 2015

Replies: 1

Views: 1K

Graduate Thermodynamics of gas in very strong gravitational field.

Apr 25, 2015 · Replies 1 · Apr 25, 2015

Replies: 1

Views: 1K

Undergrad Trouble with definition of Newton's First Law

Apr 20, 2015 · Replies 2 · Apr 20, 2015

Replies: 2

Views: 1K

Graduate Question about derivations of thermodynamic properties

Apr 18, 2015 · Replies 1 · Apr 18, 2015

Replies: 1

Views: 2K

Undergrad "Attraction Force x Energy Accumulation" clarification

Apr 17, 2015 · Replies 8 · Apr 17, 2015

Replies: 8

Views: 2K

Graduate Two (sorta meta) questions related to entropy

Apr 16, 2015 · Replies 4 · Apr 16, 2015

Replies: 4

Views: 2K

High School Calculate Radiation Intensity of Cell Phone 2in Away

Apr 16, 2015 · Replies 1 · Apr 16, 2015

Replies: 1

Views: 2K

Undergrad Ideal Gas Law - Adding additional gas & additional question

Apr 15, 2015 · Replies 4 · Apr 16, 2015

Replies: 4

Views: 2K

High School Why Hot Air Rises and Cold Air Sinks: Understanding Air Density

Apr 14, 2015 · Replies 6 · Apr 16, 2015

Replies: 6

Views: 3K

Graduate Interesting Heat Diffusion Problem

Apr 9, 2015 · Replies 8 · Apr 15, 2015

Replies: 8

Views: 2K

Graduate Why isn't the nature of the container mentioned in thermo?

Apr 12, 2015 · Replies 4 · Apr 14, 2015

Replies: 4

Views: 1K

Undergrad Gas confusion -- cooling air in a pipe using venturis and mixing

Apr 14, 2015 · Replies 1 · Apr 14, 2015

Replies: 1

Views: 2K

Undergrad How is enthelpy not directily measurable?

Apr 14, 2015 · Replies 2 · Apr 14, 2015

Replies: 2

Views: 3K

Undergrad The Mystery Behind Atoms Vibrating & Sound Creation

Apr 14, 2015 · Replies 1 · Apr 14, 2015

Replies: 1

Views: 2K

Graduate Contribution of the air in the jet aircraft engine

Apr 13, 2015 · Replies 7 · Apr 14, 2015

Replies: 7

Views: 2K

Graduate Is there a specific field for studying energy transport and conversion?

Apr 12, 2015 · Replies 2 · Apr 12, 2015

Replies: 2

Views: 1K

Undergrad Temperature and Pitch question

Apr 12, 2015 · Replies 10 · Apr 12, 2015

Replies: 10

Views: 3K

Undergrad Keplar's First Law: Explaining Orbit and Eccentricity

Apr 11, 2015 · Replies 5 · Apr 11, 2015

Replies: 5

Views: 1K

Graduate Helmholtz free energy in the canonical ensemble

Apr 7, 2015 · Replies 3 · Apr 8, 2015

Replies: 3

Views: 2K

Graduate Entropy State Variable: Thermal Equilibrium Questions

Apr 7, 2015 · Replies 2 · Apr 8, 2015

Replies: 2

Views: 2K

Undergrad Ethanol gasoline blends - reality vs science

Apr 6, 2015 · Replies 7 · Apr 7, 2015

Replies: 7

Views: 6K

Undergrad The efficiency of a Carnot engine

Apr 4, 2015 · Replies 7 · Apr 5, 2015

Replies: 7

Views: 2K

Undergrad Calculating Iceberg Melting Rate

Apr 4, 2015 · Replies 2 · Apr 5, 2015

Replies: 2

Views: 3K

Graduate Harness energy from temperature difference between Earth and space

Mar 8, 2015 · Replies 28 · Apr 4, 2015

Replies: 28

Views: 4K

High School Engineering Books: Find Best Resources for Learning

Mar 30, 2015 · Replies 5 · Apr 3, 2015

Replies: 5

Views: 2K

Undergrad Optimize Apple Juice Coldness w/ Minimal Added Water

Apr 2, 2015 · Replies 8 · Apr 3, 2015

Replies: 8

Views: 2K

Undergrad How to calulate heat transfer though multiple layers?

Apr 2, 2015 · Replies 5 · Apr 3, 2015

Replies: 5

Views: 7K

High School How does an object maintain constant velocity according to Newton's First Law?

Mar 25, 2015 · Replies 11 · Apr 3, 2015

Replies: 11

Views: 3K

Graduate Spectrum of a Gas from Thermal Motion

Apr 2, 2015 · Replies 2 · Apr 2, 2015

Replies: 2

Views: 1K

Graduate How to Determine ΔU in Expanding Systems with Changing Pressure?

Nov 21, 2013 · Replies 39 · Apr 2, 2015

2

Replies: 39

Views: 7K

Graduate Thermofluids, bernoullis equation head loss

Apr 1, 2015 · Replies 11 · Apr 1, 2015

Replies: 11

Views: 3K

Undergrad Thermal Radiation: Measurement & Conversion Help

Mar 30, 2015 · Replies 4 · Apr 1, 2015

Replies: 4

Views: 2K

Graduate Memory, Entropy and the Arrow of Time

Sep 29, 2014 · Replies 65 · Mar 31, 2015

3

Replies: 65

Views: 12K

High School What happens when air is heated up?

Mar 31, 2015 · Replies 1 · Mar 31, 2015

Replies: 1

Views: 3K

Undergrad How Much Energy is Dissipated When Braking from 75 to 55 mph?

Mar 30, 2015 · Replies 10 · Mar 31, 2015

Replies: 10

Views: 2K

High School When will the hot cup of tea cool faster?

Mar 30, 2015 · Replies 2 · Mar 30, 2015

Replies: 2

Views: 1K

Graduate Does the entropy of the universe as a whole change?

Mar 29, 2015 · Replies 5 · Mar 30, 2015

Replies: 5

Views: 2K

Undergrad Thermodynamics: sign convention

Mar 30, 2015 · Replies 3 · Mar 30, 2015

Replies: 3

Views: 5K

Undergrad Thermodynamics. Irreversible and reversible Process

Mar 28, 2015 · Replies 5 · Mar 29, 2015

Replies: 5

Views: 3K

High School Hydrogen and it's Specific Heat.

Mar 29, 2015 · Replies 2 · Mar 29, 2015

Replies: 2

Views: 2K

Graduate Max Wire Temp: Calculating Equilibrium

Mar 28, 2015 · Replies 1 · Mar 28, 2015

Replies: 1

Views: 1K

High School Heat of vaporization conceptual problem

Mar 25, 2015 · Replies 6 · Mar 26, 2015

Replies: 6

Views: 2K

Undergrad What are the factors to consider when calculating heat change in a wire loop?

Mar 25, 2015 · Replies 4 · Mar 25, 2015

Replies: 4

Views: 1K

Undergrad Prove u= u_f + xu_g and h= h_f + xh_fg

Mar 24, 2015 · Replies 1 · Mar 24, 2015

Replies: 1

Views: 948

Undergrad Mph jet engine reaches 2 atmosphere 29.4 psi

Mar 22, 2015 · Replies 5 · Mar 23, 2015

Replies: 5

Views: 2K

Graduate Is Bremsstrahlung Radiation Compatible with Rutherford's Scattering Experiment?

Mar 22, 2015 · Replies 1 · Mar 22, 2015

Replies: 1

Views: 2K

High School What is the latent heat of the water evaoparation

Mar 22, 2015 · Replies 2 · Mar 22, 2015

Replies: 2

Views: 1K

High School What's OP Phinds?

Mar 21, 2015 · Replies 7 · Mar 22, 2015

Replies: 7

Views: 2K

Undergrad The Energy of mass and Gravitational Potantial Energy

Mar 20, 2015 · Replies 5 · Mar 21, 2015

Replies: 5

Views: 1K

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