Fluid Mechanics Material Derivative

The following function of space describes the temperature field in :

T(x, y) = 0.5x + 2y + 5


A fluid particle travels through space with a velocity vector given by:

V = sin(t) i + cos(t) j

a)
Using the material derivative, derive an expression describing the temperature experienced
by the fluid particle, as it travels, starting from the origin (xo, yo) = (1, 0).


b)
What is the temperature difference between t1 = 0 and t2 = 2 s experienced by the fluid
particle. How do you explain this outcome? Would you expect a different outcome if
T(x, y, t)?


FYI: I attached an example problem from class that is different but the same concept!

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