열 교환기 실험장치(Heat Exchange System)

 

which water or some other fluid is circulated in order to absorb heat from the fluid flowing outside the cylinder.

The present method results in a simple, flexible and compact apparatus which can yield a great deal of

accurate data in the course of a single laboratory period.

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The process of heat exchange by forced convection between a fluid and a bank of tubes is one of great practical importance in many branches of engineering.

This apparatus, which uses air as the working fluid, is intended for the study of heat transfer phenomena associated with flow past cylindrical elements arranged either in isolation or in banks of various configurations.

lt produces accurate data of a fundamental kind. The special feature of the apparatus is the use of a simple and ingenious method of measuring the rate of heat transfer. Essentially this is assessed by recording the rate of cooling of a cylindrical element of solid copper of known thermal capacity. This avoids the complications associated with more conventional apparatus which usually employs tubular elements through

 

Model

 

 

HS-HE

Test section

125(W)x125(D)mm

Dia. Of cylindrical element

12.5mm

Velocity

Max. 16m/s

Heater

6V, DC

Dimensions

1.6(W)x0.6(D)x1.5(H)

Measuring instrument

Inclined manometer

Thermocouple &

Temperature indicator

Pitot tube