Check the box belongs to its respective objective(s). Multiple answers could be selected To demonstrate the differences between counter-current flow (flows in opposing directions) and co-current flows (flows in the same direction) and the effect on heat transferred, temperature efficiencies and temperature profiles through a concentric tube heat exchanger. The observation of unsteady state conduction of heat to the center of a solid shape when a step change is applied to the temperature at the surface of the shape. To demonstrate the relationship between Air Velocity and Surface Temperature in forced convection. To measure the temperature distribution for steady state conduction of energy through a uniform plane wall and demonstrate the effect of a change in heat flow. To measure the temperature distribution for steady state conduction of heat energy through the wall of a thick cylinder (Radial energy flow) and demonstrate the effect of a change in heat flow.
Check the box belongs to its respective objective(s). Multiple answers could be selected To demonstrate the differences between counter-current flow (flows in opposing directions) and co-current flows (flows in the same direction) and the effect on heat transferred, temperature efficiencies and temperature profiles through a concentric tube heat exchanger. The observation of unsteady state conduction of heat to the center of a solid shape when a step change is applied to the temperature at the surface of the shape. To demonstrate the relationship between Air Velocity and Surface Temperature in forced convection. To measure the temperature distribution for steady state conduction of energy through a uniform plane wall and demonstrate the effect of a change in heat flow. To measure the temperature distribution for steady state conduction of heat energy through the wall of a thick cylinder (Radial energy flow) and demonstrate the effect of a change in heat flow.
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter5: Analysis Of Convection Heat Transfer
Section: Chapter Questions
Problem 5.39P
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Theory and Design for Mechanical Measurements
Measurement is a term that refers to analyzing a manufactured component regarding the degree of accuracy for dimensions, tolerances, geometric profile, roundness, flatness, smoothness, etc. Measurement always involves comparing the manufactured component or the prototype with a standard specimen whose dimensions and other parameters are assumed to be perfect and do not undergo changes with respect to time.Precisely in mechanical engineering the branch that deals with the application of scientific principles for measurements is known as metrology. The domain of metrology in general deals with various measurements like mechanical, chemical, thermodynamic, physical, and biological measurements. In mechanical engineering, the measurements are limited to mechanical specific such as length, mass, surface profile, flatness, roundness, viscosity, heat transfer, etc.
Basic principles of engineering metrology
Metrology is described as the science of measurement, precision, and accuracy. In other words, it is a method of measurement based on units and predefined standards.
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The objectives of this experiment
Transcribed Image Text:Check the box belongs to its respective
objective(s). Multiple answers could be selected
To demonstrate the differences between
counter-current flow (flows in opposing
directions) and co-current flows (flows in
the same direction) and the effect on heat
transferred, temperature efficiencies and
temperature profiles through a concentric
tube heat exchanger.
The observation of unsteady state
conduction of heat to the center of a solid
shape when a step change is applied to the
temperature at the surface of the shape.
To demonstrate the relationship between
Air Velocity and Surface Temperature in
forced convection.
To measure the temperature distribution for
steady state conduction of energy through a
uniform plane wall and demonstrate the
effect of a change in heat flow.
To measure the temperature distribution for
steady state conduction of heat energy
through the wall of a thick cylinder (Radial
energy flow) and demonstrate the effect of
a change in heat flow.
Transcribed Image Text:Forced Convection
Objectives:
Demonstration of the relationship between Power input and Surface Temperature in forced
convection
Description:
The H111P Free and Forced convection
from Flat Finned and Pinned Plates
enables
students
to
investigate heat
transfer from various surfaces in free and
forced convection.
The range of heated plates demonstrates
the effect of extended surfaces (fins and
pins) on the rate of heat transfer. The
H111P is designed to be used with, and to
be installed alongside, the Heat Transfer
Service Unit H111.
8.
The accessory comprises a rectangular
duct (6) mounted on the discharge of a
base mounted centrifugal fan. In the middle
of the duct is an air velocity sensor (5) that
allows the air velocity within the duct to be
measured and displayed (meters/second)
on the air velocity display (4) below the
5
base. At the centre of the duct is an
7
aperture that allows any of the three heated
plates (8) supplied to be installed.
1.
Main Switch
2.
Instrument Fuse
3.
Fan Switch
Air Velocity Display (m/s)
Air Velocity Sensor(Hot Wire
Anemometer)
4.
5.
6.
Duct
COODn
7.
T9 Air Temperature
8.
Heated Plate
3
9.
Air Throttle
Figure 1: SCHEMATIC DIAGRAM H111P
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