Current research projects

In-situ investigation concerning the swelling behaviour of polymer materials under elevated pressures and temperatures

Low Temperature Tribology

Air-flow test rig for fan characteristic measurement

Ice Slurry Generation

Non- invasive flow measurements

Energy efficiency consulting - cogeneration systems

Verification of storage suitability of cryo tubes

Development of test methods and test rigs for stationary integrated refrigeration units

Cryostats, Non-Metallic and Metallic

Reducing the filling quantity

Reduction of primary noise sources of fans

Brine (water)-water heat pump

Filter Tests

Influenced melting point of water by magnetic field

Cryogenic liquid piston pumps for cold liquefied gases like LIN, LOX, LHe, LH2, LNG, LAr

All-in-one device for freeze-drying and production of biomaterial

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Preformance measurements of heat exchangers

Industry

Dipl.-Ing. Markus Müller

+49-351-4081-5218

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Is the heat exchanger properly sized?

We support the industry to improve the efficiency of components for cooling systems and heat pumps.

The ILK Dresden offers the following services:

We determine the preformance and pressure losses of plate heat exchangers (evaporators and condensors) or other heat exchangers for liquids in a defined range.
The measurment is based on the following norms

DIN EN 306 Heat exchangers - Methods of measuring the parameters necessary for establishing the performance
DIN EN 1117 Heat exchangers - Liquid cooled refrigerant condensors - Test procedures for establishing the performance
DIN EN 1118 Heat exchangers - Refrigerant cooled liquid coolers - Test procedure for establishing the performance

The test are preformed at a special developed test rig, which can be seen on the following picture.

Operation range of the test rig

Kältemittel: Refrigerants: R134a, R404a, R407C, R410A, R507, (others on request)
Coolant: Brine
Heat carrier: Water
Maximum Performance condensor: 70 kW
Maximum Performance evaporator: 60 kW

The measurement systems are calibrated regularly.

Additional services

We can support you at following tasks

Technical design of components
Optimisation of components
Software development for technical design and optimisation

Also we can offer you

static and time-varying thermal simulations
thermography of components

The ILK Dresden has many expertise and a high flexibility in the field of air and refrigeration technology. You will benefit from the broad spectrum of our research directions and technologies as well as the integration of various fields of expertise.