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  Project references:

Siemens AG
R&D on gas flow sensors (air/combustion gases) for high power application.

- Theoretical thermodynamic research of sensors based on hot-wire anemometry.
- Multi physics simulations (CFD) in respect of:
- changing temperatures and velocities of fluid,
- different gas mixtures,
- various system-status of the sensor.
- Accompanying measurements of various system-status and aging effects at varying ambient temperature and humidity.
- Design, installation and supervision of endurance test.
- Data analysis


Fraunhofer Gesellschaft
Concultant/"Innovations-Mentor" in public funded development project on laser manufactured piezo-electric MEMS.

- Expert monitoring and colsulting regarding innovation-process (innovation management).
- Role of neutral person, external of topic of development, ability of constructive criticism and monitoring of
- results achieved,
- identified problems and tasks,
- further steps proposed.
- Providing support in implementation of concepts, market development and, if applicable, regulatory framework.


IQ-Evolution GmbH
Simulation of flow and thermodynamical transfer of different types of cooling-vanes of micro-channel heat-sinks and analysis of resulting heat transport.

- Analysis of CAD design and generation of CFD grid.
- Simulation and analysis of heat transfer resulting of flow pattern of different effective cooling vanes and of total heat transfer.
- Evaluation of results:
- Determination of heat-transfer-paths.
- Analysis of thermal and resulting mechanical loads.
- Elaboration of recommendations for optimzation.


Vorwerk & Co. KG
R&D in fluid dynamics, thermodynamics and acoustics on Thermomix, vacuum cleaners and kitchenware

- Theoretical and experimental research in thermal management on Thermomix.
- CFD-Simulation of air flow of vacuum cleaners with rotating dust brushes.
- CFD and thermodynamical simulations of kitchenware.


Concept Laser GmbH
Design and optimisation of smoke extraction of laser based 3d printing system for metals.

- Design of optimal concept for air flow..
- CFD-Simulation and analysis of pressure and volumetric flow rate.


Schroeder Valves GmbH & Co. KG
CFD-Simulation of high pressure bypass valve

- CFD-Simulation of armature for pump protection of bypass valves for pressure difference of more than 200 bar.
- Analysis of hydrodynamic forces on system.


Recogizer Group GmbH
Modelling and simulation of thermodynamical processes and analysis of fluid dynamical and electrodynamical systems for predictive HVAC-control.

- Creation of physical models and thermodynamical processes for modelling of predictive HVAC-controls:
- Heat balances and air quality (e.g. CO2-concentration) during usage, for instance visitor traffic of a store.
- Weather dependent heat balance (air temperature, humidity, solar irradiation).
- Modelling of HVAC components (condenser, boiler, air distribution, etc.).


Balluff GmbH
Development of electronic waveguide-emulator for testing of microwave-based range sensor within production process.

- Development of functional concept:
- Passive electronic discrimination of relevant frequency.
- Detection of relevant frequency switches corresponding electric path active for detuning signal for testing process.
- Switching cycles < 5 ms.
- Creation of electronic design.
- Transient and frequency simualtion of circuit.
- Chirp-Simulation (Transient simulation during frequency change).


IQ-Evolution GmbH
Thermodynamical and fluid dynamical simulation of cooling system of glass filaments by forced convection. Optimisation of the cooling efficiency.

- Creation and analysis of multiregion simulation network based on CAD-data given.
- Evaluation of results:
- Determination of paths of heat transfer.
- Analysis of thermal and therewith connected mechanical load on cooling system.
- Development of possibilities for optimisation.


Bayer AG
Advise (consulting) in set-up and integration of semi-inline vision-system for checking, serialisation and aggregation of product-data (2d-Data-Matrix-Codes) before bundling and foliation of folding boxes.

- Advice in concepts of lightning and camera systems.
- Analysis of influence of stray-light and process flow.
- Advice in development during external set-up of manual system for code-analysis of bundles after foliation.
- Expert opinion on reports and device documentation.

Development of full-automatic inline-vision-system for checking, serialisation and aggregation of product-data (2d-Data-Matrix-Codes) after bundling and foliation of folding boxes within packaging line.

- Creation of design and construction.
- Development of perfectly reflection free lightning of objects to be checked.
- Full elimination of shadows normaly created by wrinkles in or overlapping of the foil.
- Prototype set-up and functional demonstration of the installation at test conveyor and normal prodction conditions:
- Object area 130 mm x 90 mm using 6 2d-Data-Matrix-Codes
(Original foil-wrapped bundels @ 6 original folding boxes)
- Conveyor speed: 30 m/s
- # of objects: 40 bundles / min


Alstom (Switzerland) AG
Development of optical sensor for in-line measurement of pressure, temperature and concentration of specimen in burning chamber of a gas turbine based on Laser-Absorption-Spectroscopy.

- Upgrade for suitability of optical sensor for on-line measurement of
- Temperature
- Pressure
- Concentration of combustion gases
in combustion chamber of gas-turbine using Laser-Absorption-Spectroscopy.
- Set-up and execution of laboratory style measurements for creation of reference-databank (calibration) and design-transformation suitable for power plant use.
- Conducting test measurements and analysis on running full-scale gas turbine.
- Programing for data analysis using C/C++, Python and MATLAB®.


Carl Zeiss SMT GmbH
Systems engineer for lithographic systems (UV & EUV systems) for the semiconductor-industry. Main focus on magneto-optic, magneto-strictive and magneto-dynamic effects. Simulation and analysis of influence on the optic performance of the lens system due to eddy currents.

- Development of analytic simulation modell for calculation of induced electromagnetic loads on the lens-system (in C++ and MATLAB®).
- Simplification of the very complex structures of the lens-system for FE-simulations while maintaining physical reality.
- Supervision of external FE-simulations.
- Management of requirement specifications.
- Informational and time management.
- Analysis of external FE-results in consideration of influences on image defects.
- Development of design changes for reduction of the identified image defects.


IQ-Evolution GmbH
Thermodynamical simulation of heating process of two-compound micro channel heat sink in preparation for Al-Sn-soldering.

- FE-Simulation of heat flow for different heating cylces and multiple heat sink designs.
- Simulation and analysis of thermal expansion and stresses caused by the heating process.


Dräger Safety AG & Co KgaA
Development/optimisation of acoustic properties of full face respiratory mask in respect of speech intelligibility with and with out electronic amplification.

Fulfilment of demands of NFPA-certification based on STI-process (Speech Transmission Index).
- Analysis of Status Quo and deduction of needed improvements.
- Development of solution with following constraints:
- The solution has to fit in existing concepts of products and manufactoring.
- Because of tight time limits no mayor changes of moulding tools are possible.
New NFPA-certification to come into effect on 1.1.2013.
May 2012: Deadline of completion
Jun 2012: Deadline entering of certification process at US (NFPA)
- Certifications already existent must not be influenced.
- Design of components.
- Functional demonstration of the system by acoustic measurements.
- Documentation of results.
(se also STI-Scoring in http://www.youtube.com or US 020130263848)


Fraunhofer Institut für Lasertechnik
Development including CFD, thermal analysis and design of cooling system for multiple distributed and stacked laser units fed by single coolant supply.

- Analysis of thermodynamical properties of the system.
- Fluid dynamical design and simulation of cooling system.
- Design of components.
- Documentation.


Deutsche Mechatronics GmbH
Development of QA analyzer for checking of rubber seal of swingtop bottles.

Full area control of sealing face of rubber seal for e.g. presence, color, cuts, etc.
Performance level: > 45,000 objects per hour. Quality factor of analyzer: > 99.9%.
- Analysis of mechanical and dynamical processes of bottle and swingtop manipulation and design of necessary components.
- Concept development of illumination and camera systems.
- Concept development of optical analysis strategy and imaging physics.
- Electric and thermodynamically integration of electronic components and computer systems.
- Assembly of prototype.
- Execution of prototype tests and analysis.
(→ DE 102010050207)


Deutsche Mechatronics GmbH
Development of QA analyzer for checking of failures in glass structure and contaminants in empty glass bottles before filling.

Full area failure control of glass side wall and contaminant check of bottles with glass embossing.
Performance level: > 75,000 Objects per hour. Quality factor of analyzer: > 99.95%.
- Development of lighting concept (transmitted light) enabling simultaneous observation of the product in multiple direction without interference by the other light sources.
- Expansion of lighting concept to homogeneous ilumination of the full area of the bottle side wall.
- Conversion of lighting concept to minimal cross section for integration into available space of now more than 1 m x 1 m including camera systems.
- Electric and thermodynamically integration of electronic components and computer systems.
- Assembly of prototype.
- Execution of prototype tests and analysis.
(→ DE 102009039612)


Reinhausen Plasma GmbH
Development of system for portioning, dispersing and transport of micro-powder in process gas; mean particle-size ≤ 10μm.

The micro-powder has to be extracted from a reservoir in controllable amounts and homogeneously dispersed in a process gas.
During transport the high affinity for agglomeration of the micro-powder has to be prevented.
- Selection of optimum downpour technique in consideration of the unique properties of micro-powders.
- Development of dispersion chamber using ultra-sonic oscillator.
- Inhibiting the creation of standing waves due to sound reflections.
- Aerodynamic layout of the dispersion chamber, having two functions:
1. Exposure time of the micro-powder to the ultra-sonic field has to be sufficient long as to assure successful dispersion.
2. The dispersed micro-powder is extracted out of the dispersion chamber by gas flow.
- Aerodynamic layout of coupling of dispersion chamber to transport system.
- Full laminar flow is compulsory at all operating conditions.
The micor-powder must not get into contact with the walls of the transport system (e.g. by turbulent flow), as otherwise, because of the unique properties of micro-powders, the transport system will get choked by powder agglomeration nearly momentarily.
- Thermodynamical layout of the system.
- Inhibiting particle agglomeration caused by thermal effects.
- Two phase model CFD simulation of gas flow considering the powder particles.
- Execution of prototype tests and analysis.
(→ WO 002011003828 )


Bohle AG
Development of hand-operated UV adhesive curing lamp for glass industries (Verifix LED-Lamp).

Handy lamp for generating homogeneous UV illuminated area.
Maximum allowed intensity variation over diameter: ≤ 2%, elsewise tensions inside the glue will form weakening the adhesive bonding
- Analysis of UV radiation intensity needed to assure successful curing within time limits appropriate for hand-operated application.
- Analysis of radiation exposure of operator and surrounding for documentation of operation manual and classification of radiation protection.
- Layout of optical and material properties (reflectance) of UV reflector to assure homogeneous illumination of curing area.
- Development of a particular geometry of the reflector matching the geometry of the light source (LED).
- Mapping of a square light source on circular area.
- Thermodynamical layout of the product (heat balance & dissipation) at ambient temperature of up to 45°C (113°F).
- Overheating of the LED will cause severe loss of radiation intensity and life time.
- Heat loss is only possible by convective heat exchange of the reflector exterior with the surrounding air.
- Maximum temperature of reflector in continuous operation ≤ 65°C (149°F).
- Execution of prototype tests and analysis.
(→ Verifix LED ® oder Verifix LED ®)


Heidelberger Druckmaschinen AG
Optimization of hot air dryer for graphical industries (printing machinery).

Energy transfer of the hot air dryer into the substrate has to be homogeneous over entire working area, otherwise spoilage caused by distortion will arise.
Therefor air flow and air temperature have to be homogenised over the nozzle field.
- Modelling of flow conditions of lateral inflow of the heated air into a spacious relaxation chamber and continuation into outflow area.
- CFD simulation of Status-Quo and development of counter measures.
- Iterative optimisation of flow conditions for differentiated power steps of the hot air dryer in consideration of flow rate and flow velocity as basic conditions.


KHS GmbH
Redesign, functional extension and optimisation of detection and analysis system for return-crates and included returned empties.

Check of returning crates on unpackability, residue fluids, logo and colour of crate and type of bottles inside.
Only in-house crates and bottles shall be returned into production.
Foreign bottles and crates have to be detected and separated.
Check of form and colour and UV-protection function of bottles inside the crate.
Performance level > 7,000 objects per hour.
- Full redesign of existing system introducing modular setup.
- Herewith the system can be customised to customer needs in functionality and costs.
- Development of discrimination system for bottles with UV-protection function by use of UV-illumination.
- Development of special optical imaging system for simultaneously two-sided imaging of the bottles inside the crate for checking of:
- Form of bottle
- Colour of bottle
- PET returnable bottle/PET-Cycle bottle/PET non-returnable bottle
- Contaminants
- Development of illumination and optical imaging systems.
- Design of optical components and camera system.
- Design of mechanical components:
- Easiness of assembly and maintenance.
- Simple and fast adjustment of format but with repetitiously accuracy.
- Thermodynamic design.
- Start up of system in testing-area.
- Execution and analysis of extensive test runs.
- Integration and start up at customer.
- Project management.
(→ Innocheck LGKI empty bottle crate inspector® or Innocheck VKK full crate inspector ® or EP1747821)


KHS GmbH
Development of system for orientation of bottles for labelling at correct position according to embossings.

Orientation of bottles with embossings inside of labelling machine to position the labels at the correct positions in reference to the embossings.
- For orientation only the embossings can be used.
Performance level > 60,000 objects per hour..
Quality of orientation: 99.5% within ± 2.5 mm.
- Development of process flow.
- Design of imaging components:
- Analysis of different optical properties of the object structures.
- Development of illumination concept with minimum sensibility on different object structures.
- Design of optical components and camera systems.
- Design of mechanical components:
- Easiness of assembly and maintenance.
- Simple and fast adjustment of format but with repetitiously accuracy.
- Thermodynamic design.
- Start up of system in testing-area.
- Execution and analysis of extensive test runs.
- Integration and start up at customer (international).
- Project management.



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