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Canada-0-Financing Azienda Directories
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Azienda News:
- Understanding the Temperature Profile and Heat Flux in a Truncated Cone
Some participants propose using Fourier's Law to relate heat flux q'' (x) to the total heat flow Q and the cross-sectional area A (x), while others express confusion over the differing forms of the temperature equation derived from different approaches
- Thermal resistance without area - Physics Forums
The correct form of the equation for the heat flux q is where k is the thermal conductivity with units of , T is the temperature with units of C, and x is distance with units of m So the units of the heat flux q are If we multiply this by the cross sectional area A (through which the heat is flowing), we obtain Q, which has units of W
- Heat equation given constant surface heat flux - Physics Forums
The discussion revolves around finding the temperature distribution in a thin square plate subjected to a constant surface heat flux on one side, with all other sides having zero heat flux Participants explore various methods for modeling this scenario, including numerical approaches and analytical solutions, particularly during the initial milliseconds after the application of heat One
- Radiation heat transfer between parallel plates - Physics Forums
The discussion revolves around the calculation of radiation heat transfer between two parallel plates, specifically focusing on determining the final temperatures of the plates at steady state Participants explore theoretical formulas, numerical simulations, and the complexities involved in heat transfer calculations One participant presents a formula for heat flux exchanged via radiation
- Kappa factor in heat equation and heat Flux - Physics Forums
A participant references the equation j_q=-k (r)∇·T, indicating that they are using the heat equation, and reiterates that the heat flux remains constant regardless of kappa values There is a request for a detailed examination of the participant's analysis to understand the observed phenomenon better
- How to Calculate Steady-State Heat Transfer through a Hollow Sphere?
The discussion revolves around calculating the steady-state heat transfer through a hollow sphere with specific dimensions and material properties The original poster presents a problem involving conductive and convective heat transfer, with given parameters such as radius, thermal conductivity, and temperature values
- Heat flux through a composite wall - Physics Forums
The discussion revolves around the heat flux through a composite wall made of three different materials, each with constant thermal conductivity Participants explore the steady-state temperature distribution, relative magnitudes of heat fluxes, and the implications of internal heat generation in one of the materials
- Transient heat conduction of a semi-infinite solid - Physics Forums
This discussion revolves around a problem related to transient heat conduction in a semi-infinite solid, where the surface temperature is suddenly increased from an initial temperature T0 to a new constant temperature Ts Participants are tasked with deriving the energy equation, stating initial and boundary conditions, defining new variables, and solving for those variables Exploratory
- Heat flow rate with non-constant k through plane wall
Assuming steady one dimensional heat transfer by conduction through the wall only, obtain a relation for the heat transfer rate through the wall Sketch temperature and heat flux profiles for zero, positive and negative coefficients Explain briefly why gases usually have a positive coefficient a, but liquids and solids show a negative coefficient
- How Do You Convert Spectral Irradiance into Heat Flux?
The discussion revolves around the conversion of spectral irradiance into heat flux, specifically in the context of solar radiation Participants explore the mathematical integration of spectral irradiance values and consider factors affecting heat flux, such as atmospheric conditions and surface properties The conversation includes inquiries about simplifying models for practical
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