Chapter 4 Flashcards
1
Q
Isotherm-definition and relations to adiabats
A
Lines of constant temperature and always 90 perpendicular to heat flow line
2
Q
Adiabats, definition, aka and what cant happen across them
A
Heat flow lines, no heat transfer across from them
3
Q
Heat Equation 2D SS , No energy gen and constant K
A
(∂^2T/∂x^2)+(∂^2T/∂y^2)=0
4
Q
What are the 2 main purposes for conduction analysis?
A
To find Temperature distribution and to find heat flux at any given point.
5
Q
Shape factor q equation
A
Sk ΔT(1-2)
6
Q
Relation of Rt,cond(2d) to resistance
A
1/Sk
7
Q
θ
A
(T-T♾)
8
Q
What cases exist for Nodal Finite Difference Equations? (Table 2)
A
- Interior Node
- Node at Internal Corner w/ Convection
- Node at Plane Surface w/ Convection
- Node at External Corner w/ Convection
- Node at Plane Surface w/ Uniform Heat Flux
9
Q
T/F: The finer the mesh, the more accurate the answer.
A
True.
10
Q
What is represented by a nodal point?
A
The average temperature distribution of the surrounding, shaded area.
