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WL 314.02

- Completely pre-assembled experimental unit with heater


Technical Description

The air duct with the pipe bundle heat exchanger is fitted to WL 314 and heated electrically.

The heat transfer between the pipe wall and medium can be studied. Baffles guide the air through the pipe bundle in a cross-flow. The number of deflections can be varied by removing and adding baffles.

The power and surface temperature at the heater are measured and displayed on the base unit WL 314.

Learning Objectives / Experiments

- relationships between Nusselt, Reynolds and Prandtl
- characteristics of a pipe bundle heat exchangers
- pressure loss across the entire measured section
- determination of heat transfer coefficients



[1] accessory for WL 314
[2] pipe bundle: 1 rod-type heater, 18 pipes
[3] rod-type heater placed in the centre of the pipe bundle
[4] up to 8 baffles can be added
[5] thermocouple type K: temperature measurement on the heater sleeve surface
[6] mounted in WL 314 with quick-action fasteners

Technical Data

Rod-type heater power: 250W
Pipe diameter: 100mm 

Dimensions and Weight
LxWxH: 1.050x200x320mm
Weight: approx. 15kg

Scope of Delivery

1 experimental unit
1 manual

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