Heat Transfer

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Across
  1. 2. The type of boundary condition where a constant amount of heat flux is applied
  2. 4. A shiny surface has a higher ______ than a matt surface
  3. 6. The type of boundary condition where a fixed value of temperature is applied
  4. 7. When heat is being generated within an object, the temperature variation will be a ______ line.
  5. 8. The dimensionless number that is used in the determination of natural convection correlations
  6. 10. When there is no heat generated in an object, the temperature variation will be a ______ line.
  7. 11. In both the Heisler and Gröber charts and the lumped capacitance approach, the solid body must initially be at _______ temperature
  8. 14. Planck’s law describes the spectral density of electromagnetic radiation emitted by a black body in thermal ________ at a specific temperature
  9. 16. The type of heat transfer that requires bulk movement of fluid
  10. 17. The type of boundary condition where convection is applied
  11. 18. The dimensionless number used in the determination of the time needed for a body to reach a certain temperature in the lumped capacitance approach
  12. 21. Eventually when the temperature of an object settles down to a fixed value, we term this as the _____ state solution.
  13. 22. A ____-body is an idealised objet which absorbs and emits all radiation frequencies
  14. 23. Thermal _______ is the material property that defines a solid ability to transfer heat through conduction
Down
  1. 1. The amount of radiation emitted by a black body is determined by its ________
  2. 3. The dimensionless number that is a function of either Grashof or Reynolds number and Prandlt number and is used to determine the convection coefficient
  3. 5. ______ does not require a medium for heat to be transferred across
  4. 9. The ________ factor determines how much radiation from one body “hits” another body
  5. 12. The ratio between the temperature difference and the rate of heat being transferred is called the Thermal _______
  6. 13. The dimensionless number used to consider the applicability of the lumped capacitance method
  7. 15. Insulators generally have ______ thermal conductivity
  8. 19. The dimensionless number that is used in the determination of forced convection correlations
  9. 20. The type of heat transferred through solids