VIII-III Which is the most effective plate in heat convection among the three plates used in this experiment(OGU? Justify your answer Your answer VIII-IV Discuss the errors and their sources which might occurred in this experiment and affected its results. Your answer
VIII-III Which is the most effective plate in heat convection among the three plates used in this experiment(OGU? Justify your answer Your answer VIII-IV Discuss the errors and their sources which might occurred in this experiment and affected its results. Your answer
Introductory Circuit Analysis (13th Edition)
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![FROCLDUAL
The same procedure is applicable for the three
types of plates; flat, pinned and finned.
11 of 12
· Ensure that the main switch of the instrument
console is in the off position, and the fan is
switched of.
• 1. Open the toggle clamps, place the required
plate to be studied (flat, pinned or finned), and
close the toggle clamps. Note that the power
leads exit from the top of the plates.
PROCEDURE
Note that the flat plate will have the minimum
blockage of airflow in the duct, whereas the
maximum air resistance will occur with the pinned.
plate, which means that if you may not attain the
pinned
same velocity in the pinned plate as the flat one,
which makes the results of comparison non-
Flat
logical.
Thus, it may be a good idea to start with the
pinned plate, then the rest of plates can be studied
under similar achievable air flow conditions.
PROCEDURE
• 2. Switch on the main switch (1), and set the air velocity of a
low value by closing the air throttle (9).
• 3. Increase the heater power to about 220V, such that the
heater temperature Tl does not exceed 100°C. Allow the
temperatures to stabilize, then record T1, heater supply
voltage V, heater current I and air velocity U.
PROCEDURE
• 4. Maintain the heater voltage at the same conditions, and
increase the air velocity using the air throttle (9), allow the
temperatures to stabilize and record the data. If necessary
repeat the procedure again increasing the air flow.
• 5. For direct comparison, repeat the procedure for the
three plates under similar heat input conditions and
similar air flow velocities.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbfaa91e2-0ccb-495f-9ea1-4fba266df900%2Fcba82b7e-dcaa-40c7-9a3b-60dc32095b57%2Fxf67xr8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:FROCLDUAL
The same procedure is applicable for the three
types of plates; flat, pinned and finned.
11 of 12
· Ensure that the main switch of the instrument
console is in the off position, and the fan is
switched of.
• 1. Open the toggle clamps, place the required
plate to be studied (flat, pinned or finned), and
close the toggle clamps. Note that the power
leads exit from the top of the plates.
PROCEDURE
Note that the flat plate will have the minimum
blockage of airflow in the duct, whereas the
maximum air resistance will occur with the pinned.
plate, which means that if you may not attain the
pinned
same velocity in the pinned plate as the flat one,
which makes the results of comparison non-
Flat
logical.
Thus, it may be a good idea to start with the
pinned plate, then the rest of plates can be studied
under similar achievable air flow conditions.
PROCEDURE
• 2. Switch on the main switch (1), and set the air velocity of a
low value by closing the air throttle (9).
• 3. Increase the heater power to about 220V, such that the
heater temperature Tl does not exceed 100°C. Allow the
temperatures to stabilize, then record T1, heater supply
voltage V, heater current I and air velocity U.
PROCEDURE
• 4. Maintain the heater voltage at the same conditions, and
increase the air velocity using the air throttle (9), allow the
temperatures to stabilize and record the data. If necessary
repeat the procedure again increasing the air flow.
• 5. For direct comparison, repeat the procedure for the
three plates under similar heat input conditions and
similar air flow velocities.
![VIII-III Which is the most effective
plate in heat convection among the
three plates used in this
experiment( OO Justify your
answer
Your answer
VIII-IV Discuss the errors and their
sources which might occurred in this
experiment and affected its results.
Your answer](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbfaa91e2-0ccb-495f-9ea1-4fba266df900%2Fcba82b7e-dcaa-40c7-9a3b-60dc32095b57%2Fa4itbf_processed.jpeg&w=3840&q=75)
Transcribed Image Text:VIII-III Which is the most effective
plate in heat convection among the
three plates used in this
experiment( OO Justify your
answer
Your answer
VIII-IV Discuss the errors and their
sources which might occurred in this
experiment and affected its results.
Your answer
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