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Products | Thermodynamics, Heating and Sanitary Systems | Fundamentals of Thermodynamics | WL 220

WL 220

Boiling Heat Transfer Unit

Technical Description

The transparent process tank makes it possible to clearly observe the evaporation process at the heated cylinder. The cylinder is used as a model to demonstrate a fire tube heated from the inside. An integrated water-cooled condenser allows for a continuous boiling process. The special liquid used evaporates at low temperatures. Sensors provide all relevant data. The measured values are indicated on digital displays and can also be transmitted directly to a PC. A data acquisition card and software are included.
A supply of water is required.

Learning Objectives / Experiments

- Different forms of evaporation (nucleate, film
boiling)
- Heat transfer coefficient
- Effect of temperature and pressure on the
evaporation process

Features

* Benchtop unit to demonstrate the evaporation in a
steam boiler fire tube₁

* Processing of measured values on a PC₁
* Operation with environmentally-friendly, special low-
boiling liquid₁
* Complete instruction manual

Alternative products

WL 210 -- Flow Boiling Demonstration
WL 230 -- Condensation Unit

Specification

[1] Experimental set-up to demonstrate evaporation on a fire tube
[2] Benchtop unit, l w x h: 895x455x820mm, 65kg
[3] Evaporation with heating element 0.6kW
[4] Transparent process tank, approx. 2.8ltr
[5] Copper piping
[6] CFC free evaporation liquid Solkatherm SES36
[7] Safety valve, adjustable 1...4bar
[8] Pressure switch for additional protection of heating circuit, adjustable
[9] Digital displays for measured values
[10] PC data acquisition with LabView software
[11] 230V, 50Hz, 1 phase

Technical Data

Heater:

- power 0.6kW, continuously adjustable

- surface area: 0.001875m²
Cooler:

- coil, surface area: 0.0578m²
Measuring ranges:
- pressure transmitter: 0...4bar absolute
- power transmitter: 0...600W
- flow rate sensor: 3...108Ltr/min
- thermocouple : 0...200°C
- 4 temperature sensors: -40...150°C
LabView software under Windows 2000/XP

Dimensions and Weight

l x w x h : 895 x 455 x 820 mm
Weight : approx. 65 kg

Connections

230V, 50Hz, 1 phase
Water supply and drain

Scope of Delivery

1 benchtop unit, completely assembled,
1 data-acquisition card with software,
1 instruction manual

Order Details

060.22000 WL 220 Boiling Heat Transfer Unit