wenger engineering company · pdf filethermodynamics and fluid mechanics for pioneers....

Thermodynamics and Fluid Mechanics for Pioneers.
Company Overview Wenger Engineering GmbH

Customer Feedback
Thank you for a job well done. We learned a lot and I can honestly say that without Wenger Engineering we could not have achieved our goal.
Steve Mathison, Senior Engineer, Honda R&D Americas, Inc.,USA
We definitely achieved our goal and will come back to you for other projects.
Jens Asmuth, Managing Director, JA-Gastechnology GmbH,Germany
My colleagues here at BMW are very satisfied with your simulation and your report. Great Job!
Jesse Schneider, Development Manager, BMW of North America, USA
Wenger Engineering GmbH Thermodynamics CFD Simulation for Pioneers 2
We are fortunate to work with the professionals of Wenger Engineering. The friendly and productive cooperation has led our goal to success. Thus we can ensure the builder Liebherr a high-tech production hall with a uniform temperature level.
Christian Strzer, CEO, DS elektrotherm GmbH,Germany

I am very satisfied. Your models help us to improve the design of our machines, measurably saving development time.
Ludwig Albrecht, Project Manager Advanced Engineering, Homag AG,Germany
3
Customer Feedback
The very competent and flexible staff provide high-quality results. This helps us a lot in our projects.
Dr.-Ing. Ismail Levent Sariolu, Group Research & Drive Systems, Volkswagen AG,Germany
We saved a lot of development time, but also tens of thousands of euros in costs.
Alexander von Heinz, Managing Director, Heat Cubed GmbH,Germany
Wenger Engineering GmbH Thermodynamics CFD Simulation for Pioneers
Your expertise is known from the project "Simulation Soot Sensor", which we have carried out with you. It really helped us to better understand the sensor behavior.
Dr. Bertrand Lemire, R&D Manager Exhaust Gas Sensors, Division Powertrain, Continental Automotive GmbHGermany

Why Wenger Engineering?
The efficient and effective usage of fossil energies and resources are the most importantchallenges of mankind.
Wenger Engineering develops technologies tosolve these problems.
Our customers will save energy, weight, volumeand, at the end of the day, also significantamounts of money.
Dr.-Ing. David Wenger, Founder and CEO
4Wenger Engineering GmbH Thermodynamics CFD Simulation for Pioneers

Key Facts
Engineering company with a team of 25 passionate professionals and trainees
Headquarters: Ulm, Germany
Services:
Thermodynamics, Heat and Mass Transfer Fluid Mechanics, CFD Simulation Chemical Engineering Simulation Software Development
Software:

Some Highlights and Milestones
Certified
Quality
Management
according
to ISO 9001
Certified Mathworks Partner (since 2012)
First certified COMSOL Multiphysics Consultant
(since 2009)
Member of Economic CouncilAwards
s
Participation in trade shows all over the world
Public Relations Two apprentices
Office Management
Memberships

7
Our Customers

Optimization of a Heat Exchanger
8
Task
Simulation of heat transfer in a tube bundle heat exchanger to avoid
fouling
Goal
Determination of heat transfer andmaximum temperature, optimization of
design
Methodology
CFD simulation
Result
Safe decision can be taken beforeprototypes are built

Verification of Heat Exchanger Design Equations
Customer
CTO of heat exchanger company
Goal
Verify Nusselt correlations for specialcases
Methodology
COMSOL Multiphysics modeling of heatexchanger
Determine Nu = f (Re,Pr, etc.)
Solution and Results
Applicability of Nusselt correlationconfirmed

Optimization Tool for Microchannel Heat Exchanger
Customer
CEO and CTO of start-up company
Goal
Verify design of microchannel heatexchanger prototype
Set up design software for sales andfuture design optimization
Methodology
Programming of heat exchanger design tool in MATLAB/Excel
Specify and perform tests at partner lab
Heat exchanger performance confirmed Software available for customer

Improve Geometry and Cost of Cooling Fins
Customer
Project Manager at OEM
Goal
Reduce prototype cost Details confidential
Methodology
Modeling of component in COMSOL Multiphysics and MATLAB
Sensitivity and design studies withdifferent geometries, boundary conditions
and drive cycles
Reduced cost significantly Improved knowledge of project manager

Reduce Diameter of High Voltage Cables
12
Task
Determination of the ampacity (max. current) in a high voltage cable
Goal
Reduce diameter and thus copper cost Reduce safety margin in design
Methodology
FE analysis in COMSOL Multiphysics with parametric optimization
Result
20% increase in ampacity by reducing safety margin

Ensure Cooling of Transformer in a Container
13
Customer
CEO of manufacturing company
Goal
Verification of temperature on the transformer surface in a steel container
The temperature must not rise above 75C
Methodology
CFD simulation of air flow and heattransfer
Temperature limit will be exceeded Recommendation: optimized container
geometry

Determination of Heat Transfer in a Production Plant
14
Task
If air temperature is not withinspecification, component tolerances
cannot be guaranteed
Goal
Ensure air temperature +/- 1.5K in the entire production plant
Methodology
CFD simulation of air conditioning forvarious scenarios
Optimized cooling design Hot and cold spots eliminated

Power-to-gas Plant Cost Optimization
Customer
Senior Manager at OEM
Goal
Optimize power-to-gas plant with real time energy cost / minimize cost per kg of gas
produced
Methodology
Simulink model of plant, time seriesextrapolation and mathematical
optimization
Optimized control strategy Electricity cost reductions: 18%

Optimization of Liquefied Natural Gas Carrier Fueling
Customer
CTO of chemical engineering company
Goal
Optimize fueling speed of large LNG carrier (90,000 m3 of liquefied gas, -167C)
Methodology
Modeling and simulation of multiphaseheat and mass transfer for LNG
Details confidential
Customer knows how to design the tank and the fueling equipment

Failure Analysis in High Voltage Component
Task
Determination of fatigue in a high voltage component
Goal
Understand if failed and non-failed components of the same age have experienced the same thermomechanical stress
Methodology
Simulation of Joule heating and thermal expansion with COMSOL Multiphysics, time series (current/voltage) as boundary condition (approx. 30 million points)
Result
Customer task force knew how to handle the problem

Optimization of a Chemical Analytics Device
18
Task
Optimize temperature distribution in different reaction chambers
Goal
Temperature difference between chambers < 0.5K
Reduce number of prototypes
Methodology
Modeling with COMSOL Multiphysics, optimization of design
Result
Next prototype fulfilled temperature criteria

Reaction Time of Temperature Sensors
19
Problem
Optimize cost of temperature sensor while fulfilling specification of process control
Goal
Use a cost effective temperature sensor
Methodology
Compare experimental and modelled reaction time, extrapolate using real
process data
Result
It was shown that the most cost effective temperature sensor fulfills the
requirements of the processReaction time of different configurations

Modeling of Hydrogen / CNG Vehicle Fueling
20
Task
Make sure temperature limit in high pressure tank is not exceeded
Goal
Determine local internal heat transfercoefficient as f(p,T,mdot,geometry,)
Methodology
CFD simulation with STAR-CCM+ andMATLAB
Result
Universal, real gas thermod

wenger engineering company · pdf filethermodynamics and fluid mechanics for pioneers....

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