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Individual Customer Solution for Reliable Materials Testing Developed
Satellites that circle the earth are an important part of today’s world. Whether a research or weather satellite, the body must withstand extreme temperature differences in outer space to fulfill its tasks. A highly complex test procedure during the manufacturing process ensures product quality and the later faultless deployment of the satellites. The satellite transmitter units of Thales also undergo such a procedure. The high number of single-space tempering units located in a single room was a real challenge for the Lauda solution concept, as the heat generated by the tempering devices and the air flows associated with their operation affect the work results on the one hand, while emissions, noise and dust lead to working conditions that are anything but optimal on the other hand.
Figure 1: A central cooling supply with three Lauda DV cooling modules with a total output of 75 kilowatt supplies each of the single-space tempering units.
For this project, the temperature specialist Lauda supplied a complete central cold supply consisting of 3 DV cooling modules with a total cooling output of 75 kilowatt at -50°C, including a separate pump station consisting of
4 frequency-controlled solenoid pumps with an output of 20 cubic meters per hour. Around 130 Mini TCUs are currently deployed in satellite pipe production; up to 200 Lauda A Mini TCUs can thus be supplied with the deep- cooling medium via the central cooling in the final construction stage. The direct coupling of the media combined with central cooling offers high energy efficiency during the provision of the low-temperature medium, which leads to significant savings in operating costs. The remote control ensures the high availability of the DV400 cold module and pump station, and guarantees long maintenance intervals for the system parts. The simple PLC control of the central cooling units, the low space requirements of the TR50HK on the test bench and the low life-cycle costs are outstanding benefits of the individual Lauda tempering solution for its customer, Thales.
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Figure 2: The device parameters for every Lauda Mini TCU TR50HK tempering unit can be optionally set directly on the device, using a tablet, or centrally via an interface.
New Thermoelectric Circulation Thermostat Impresses at Forum LABO 2017
For Lauda, a world-leading manufacturer of temperature control devices and systems, this year’s Forum LABO, which took place in Paris from 28 to 30 March 2017, was very successful with numerous interesting technical discussions. A very special highlight for the trade visitors was the presentation of Lauda LOOP, a novel thermoelectric circulation thermostat based on Peltier technology. By means of a current flow, the Lauda LOOP temperature is generated by semiconductors and can be used for either heating or cooling, simply by reversing the current direction. The air cooled Lauda LOOP device types L 100 and L 250 are suitable for external applications in a temperature range of 4 to 80°C.
For the pharmaceutical industry and biotechnology sector, Lauda LOOP provides real added value thanks to its compact and space-saving design. Lauda LOOP can
be flexibly used for the temperature control thermostatting of refractometers, bioreactors, electrophoresis chambers or for sample preparation.
In industrial cooling applications, Lauda presented the Ultracool UC Mini compact process circulation chiller for cooling outputs between 2 and 5 kilowatts. The size of the device has been reduced considerably compared to the established previous models. The square design with a side length of only 64 centimetres allows the customer to spatially position the Ultracool UC Mini in a very flexible manner.
The impressive product portfolio at the fair was rounded off by the Lauda PRO product line. For the first time, there are powerful bath thermostats for exact, internal temperature control from -100 to 250°C and efficient circulating thermostats for dynamic heating and cooling of external applications from -45 to 250°C. During the three exhibition days in Paris, these new devices also underlined the new benchmark for uncompromising temperature control from Lauda.
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