Current research projects

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Image In-situ investigation concerning the swelling behaviour of polymer materials under elevated pressures and temperatures
Image Performance tests of refrigerant compressors
Image Certifiable connection types in cryogenics
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Image Low Temperature Measuring Service
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Image ZeroHeatPump
Image Innovative cryogenic cooling system for the recondensation / liquefaction of technical gases up to 77 K
Image Verification of storage suitability of cryo tubes
Image CO₂ GAS HYDRATES FOR SUSTAINABLE ENERGY AND COOLING SOLUTIONS
Image Air-flow test rig for fan characteristic measurement
Image Calibration leak for the water bath leak test

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Panel with indirect evaporative cooling via membrane

INNO-KOM

01/2023 - 06/2025

Dipl.-Ing. (FH) Hannes Rosenbaum

+49-351-4081-5324

Natural Cooling Panel

Development of a decentralised cooling panel with outdoor air connection, without refrigerant, without humidity input into the room air, retrofittable and with coefficients of performance (COP) > 10

Motivation

  • GWP = 0; COP > 10; 100% renewable energy
  • Decentralised indirect evaporative cooling with no moisture in the indoor or outdoor air
  • Self-sufficient operation, rainwater harvesting
  • Radiant and convective air discharge

Project Objective

  • Application of regenerative and sustainable cooling via evaporative cooling in a decentralised air conditioning system (COP > 10)
  • Functional combination of evaporative cooling and supply of purified outdoor air
  • Novel membrane heat exchanger for two air streams and evaporation water including numerical calculation model
  • Novel convection and radiation efficient air outlet for minimum draught risk
  • Modular, cascadable unit concept for on-demand performance and off-grid and CO2-neutral operation (for PV power supply)
  • Ceiling-mounted, wall-mounted or free-standing cooling panels for residential and non-residential buildings, retrofittable and acoustically compliant

Solution Approach

  • Development of a membrane heat exchanger based on 4-layer textile laminates
  • Development of equipment based on supply air recirculation and exhaust air humidification processes
  • Development of an air outlet for convection and radiation cooling performance
  • MSR and system components for rainwater harvesting, site-independence and cascading

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Further Projects

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Investigation of materials

Investigations regarding the compatibility of materials with refrigerants, oils and heat transfer fluids

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Non- invasive flow measurements

PDPA - flow fields and particle sizes

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Computational fluid dynamics CFD

Scientific analysis of flows