
Thermal resistance vs thermal impedance | Eng-Tips
Apr 8, 2018 · Thermal impedance could be used to mean the inverse of thermal diffusivity. In the electrical world impedance is a function of resistance, capacitance, and inductance.
Thermal Resistance | Eng-Tips
May 5, 2018 · "The thermal resistance often comes with the units, Km2/W. " This is technically incorrect. Thermal resistance is the inverse of thermal conductance, which is thermal …
Thermal resistance (R value) of earth | Eng-Tips
Oct 12, 2003 · Thermal Mass is different than heat transfer resistance. R-Value is heat transfer resistance only. Typical R-value for earth is 0.25 per inch; however, the thermal character of …
Thermal conductivity/resistivity of concrete used for the …
Aug 20, 2012 · The NEC uses 55 as a typical value for concrete. Based on this massive range in thermal resistance, I have no confidence in guessing what the actual resistance is for the …
Resistance on heat sink fins??? | Eng-Tips
Jul 5, 2005 · Dear all, I am working on a liquid cooling system and have to deal with resistance on base,fins and fluid flow. I found the traditionally used equation for fin resistance doesnt have …
Forced convection in a pipe with thermal resistance | Eng-Tips
Jun 3, 2014 · Hi all, This is my first post in this forum. I need help regarding forced convection in a pipe with thermal resistance, i have been trying to solve this problem but i am hesitant about …
Mutual Thermal Resistances between Pipe Layers | Eng-Tips
Nov 22, 2007 · INTRO: In this reference, the mutual thermal resistances between layers as water-insulation, ground-surrounding, and insulation-ground are defined for a buried pre-insulated …
fuse protection for resistive heater load | Eng-Tips
Nov 11, 2011 · I bet the resistance wire runs much hotter than this: without a decent temperature differential, you're not going to be able to drive heat through the thermal resistance of the …
Thermal conductivity of Aluminum vs. Aluminum anodized | Eng-Tips
Aug 16, 2022 · The thermal conductivity of AL5052 and AL6061 is 138 and 167 W/(m*K) respectively. What would be the thermal conductivity for those materials as it black-anodized?
Add Thermal Contact Resistance to Existing Transient ... - Eng-Tips
Oct 27, 2017 · One feature we would like to add to the model is thermal contact resistance to certain component interfaces. The goal is to run several cases: no resistance, perfectly …