Читать книгу Heat Transfer 2 - Bouchaib Radi, Ghias Kharmanda, Michel Ledoux - Страница 4

1 Chapter 1Figure 1.1. Concept of the solid angle. For a color version of this figure, see ...Figure 1.2. Illustration of . For a color version of this figure, see www.iste....Figure 1.3. The angle θ, For a color version of this figure, see www.iste.co.uk/...

2 Chapter 2Figure 2.1. General appearance of the luminance of the black body, at some tem...Figure 2.2. Comparison of the exact luminance of the body with both approximat...Figure 2.3. Luminances compared for the Sun and the Earth, considered as a black...Figure 2.4. Principle of radiative forcing. For a color version of this figure, ...

3 Chapter 3Figure 3.1. Schematic of radiative exchanges at a surface. For a color version o...

4 Chapter 4Figure 4.1. Example of radiation between multiple surfacesFigure 4.2. The two plate models

5 Chapter 5Figure 5.1. Emissivity from the plate. For a color version of this figure, see w...Figure 5.2. Influence of the emissivity on the emittance from the plate. For a c...Figure 5.3. Real emittance from the plate according to the wavelength. The maxim...Figure 5.4. Device for measuring thermal conductibility. First time: no error so...Figure 5.5. Device for measuring thermal conductibility a second time. An initia...Figure 5.6. Device for measuring thermal conductibility. Third time: a second so...Figure 5.7. Fahrenheit 451, IFigure 5.8. Fahrenheit 451, II

6 Chapter 6Figure 6.1. Schematic of conduction in a tubeFigure 6.2. Three types of thermal transfer summarized using a casseroleFigure 6.3. Procedure to use with ANSYSFigure 6.4. Study model with different boundary conditionsFigure 6.5. Model, built and meshedFigure 6.6. Model under boundary conditionsFigure 6.7. Result from the model showing the effect of simple conductionFigure 6.8. shows our model in ANSYS, meshed and fully defined.Figure 6.9. Model using ANSYS with loads and conditionsFigure 6.10. Result of mixing conditions (convection/conduction/isolation)Figure 6.11. TransistorFigure 6.12. Results of the temperature evolving at the initial stateFigure 6.13. Results of the temperature evolving after 30 secondsFigure 6.14. Results of the temperature evolving after 60 secondsFigure 6.15. Results of the temperature evolving after 105 secondsFigure 6.16. Results of the temperature evolving after 240 secondsFigure 6.17. Results of the temperature evolving at the end of our study (T=300 ...Figure 6.18. Evolution of the temperature according to time for the central node...Figure 6.19. Model for the thermal studyFigure 6.20. Geometry of our meshed modelFigure 6.21. Model under loadsFigure 6.22. Temperature distribution in the ovenFigure 6.23. Thermal fluxes present in the walls of the ovenFigure 6.24. Graph representing the variation in temperature according to the se...Figure 6.25. Geometry studied: a reservoir intersected by a tubeFigure 6.26. Quarter geometryFigure 6.27. Meshed geometry with a fine mesh (level size = 1)Figure 6.28. Modeling loads on our model (with arrows)Figure 6.29. Temperature distribution in our systemFigure 6.30. Distribution of heat flux vectors at the intersection between the r...Figure 6.31. Construction of the cylinder on a 3D model using ANSYS WorkbenchFigure 6.32. Mesh of the cylinderFigure 6.33. Application of the study conditions on the cylinderFigure 6.34. Results of temperatures in stationary thermics on the cylinderFigure 6.35. Results of the directional heat fluxes in thermal stationary on the...Figure 6.36. Construction of a puck on a 3D model from ANSYS Workbench. The view...Figure 6.37. Applying convection on the puckFigure 6.38. Results in transitory thermal obtained on the puck after 30 secondsFigure 6.39. Results in transitory thermal obtained on the puck after 10,000 sec...Figure 6.40. Temperature results in thermal transitory on the thermal exchangerFigure 6.41. Results of heat flux in thermal transitory on the thermal exchangerFigure 6.42. Parameterizing of a heat flux to simulate the heat extricated by an...Figure 6.43. Parameterizing a convectionFigure 6.44. Parameterizing the radiationFigure 6.45. Development of a mesh with ANSYS WorkbenchFigure 6.46. Temperature versus time for a simulation without a PCMFigure 6.47. Temperature results for the hydrated PCM salt with a heat flux of 1...Figure 6.48. Representation of heat on the thermal exchanger (seen from below)Figure 6.49. Representation of heat on the thermal exchanger seen from above)Figure 6.50. Temperature results for paraffin as a MCP with a heat flux of 1,200...Figure 6.51. Graphical representation of the different heat fluxes applied for h...Figure 6.52. Graphical representation of the different heat fluxes applied for p...Figure 6.53. Comparison of the three models