test_wall.TestTheIcicleQuestion Class Reference

Public Member Functions
None	test_the_room_is_negligible_over_a_burn (self)
None	test_the_lines_own_metal_is_not (self)
None	test_the_metal_runs_out (self)

Detailed Description

The numbers behind the answer given to the stand's own observation.

Two paths could warm the gas: the room, through frost and the tube wall
(Path B), and the line's own thermal mass (Path A). Only one of them is
worth modelling, and the arithmetic here is why.

Definition at line 195 of file test_wall.py.

Member Function Documentation

test_the_lines_own_metal_is_not()

None test_wall.TestTheIcicleQuestion.test_the_lines_own_metal_is_not

(

self

)

Path A. The same stream through 0.4 kg of room-temperature steel
picks up kelvins, not hundredths -- an order of magnitude that decides
which one gets a model.

Definition at line 215 of file test_wall.py.

References test_wall.a_line(), and exchange().

test_the_metal_runs_out()

None test_wall.TestTheIcicleQuestion.test_the_metal_runs_out

(

self

)

And it is a first-run effect. The wall has a fixed number of joules
in it; spend them and the second run of the day starts colder, because
only the room recharges it and the room is Path B.

Definition at line 226 of file test_wall.py.

References test_wall.a_line().

test_the_room_is_negligible_over_a_burn()

None test_wall.TestTheIcicleQuestion.test_the_room_is_negligible_over_a_burn

(

self

)

Path B. Still air onto 0.4 m^2 of cold pipe is a few watts; even a
generous frosted-surface figure is tens. Against a 150 g/s stream that
is hundredths of a kelvin -- so the room is not what warms the gas.

Definition at line 203 of file test_wall.py.

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The documentation for this class was generated from the following file:

• lib/feedtwin/tests/test_wall.py