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|  DOE-STD-1176-2004
15.
Chemical Processing Personnel shall demonstrate a working level knowledge of
steady-state heat transfer.
Supporting Knowledge and/or Skills
a.
Define:
Conduction
Thermal conductivity
b.
Discuss Fourier's law.
c.
Describe the factors that contribute to the co-efficient of thermal conductivity.
d.
Calculate the heat flux for one-dimensional, steady-state heat transfer through
the following:
Composite wall
Series wall
Parallel wall
e.
Using data, calculate total heat transfer and local heat flux in a laminar flow
system.
16.
Chemical Processing Personnel shall demonstrate a working level knowledge of
the construction and operation of heat exchangers.
Supporting Knowledge and/or Skills
a.
Describe the principle of operation for the following types of heat exchangers:
Shell and tube
Fin and tube
Cooling tower
b.
Define the following terms as they apply to heat exchangers:
Tube sheet
Tell-tale drain
Parallel flow
Counter flow
Cross flow
c.
Using a cutaway drawing of the following types of heat exchangers, show the
flow paths of the cooling medium and the medium to be cooled:
Parallel flow
Counter flow
Cross flow
15
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