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ET 264

FEATURES:
- Open circuit for use of geothermal energy

DESCRIPTION

Technical Description

Geothermal energy refers to the use of thermal energy stored beneath the earth's surface. Technical systems for the use of shallow geothermal energy are divided into open and closed systems and into collectors and probes. 

The ET 264 trainer is an open circuit with production and absorption wells. The pumped heated water flows through a heat exchanger, emits its heat to the thermal load and then flows back into the sand bed. There the water is heated back up again using three controlled heaters. From the sand bed, the heated water is pumped back into the heat exchanger.

The temperatures and flow rates are recorded. Then the amount of heat dissipated is determined and referenced to the sand bed temperature. 

The well-structured instructional material sets out the fundamentals in detail and provides a step-by-step guide through the experiments.


Learning Objectives / Experiments

- determination of the quantity of heat that can be discharged
- variation of the thermal load
- pumping behaviour of an open circuit

FEATURES

Specification
[1] demonstration of the operation of a two-well system for using geothermal energy
[2] open circuit 
[3] electrical heating controlled in sections
[4] temperature and flow rate measurement for the thermal load
[5] GUNT software for data acquisition via USB under Windows 7


Technical Data

Pump
- power consumption: approx. 100W
- max. flow rate: 5L/min
3x controlled heaters: approx. 0...750W

Measuring ranges
- temperature: 0...60°C
- flow rate: 0...5L/min


Dimensions and Weight
LxWxH: approx. 2000x790x1500mm
Weight: approx. 200kg Required for Operation 230V, 50Hz, 1 phase
Water connection
Approx. 250L sand (grain size 1...2mm)


Scope of Delivery

1 trainer
1 GUNT software CD + USB cable
1 set of instructional material

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