Master Thesis External Heat Transfer
Siemens Energy AB / Maskiningenjörsjobb / Finspång
2020-10-06
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Are you a master student planning to write your Master Grade during Spring 2021?
Join us on our journey #SiemensEnergy
Siemens Energy's 91,000 employees around the world are passionately pursuing one common goal: to energize society with affordable, reliable, and sustainable energy systems. Join our great team and put your energy to use.
By making sustainable energy solutions more cost-effective, developing new technology for the smart industry of the future and electrifying passenger and freight transport, we make our vision of a sustainable world a reality.
We are now looking for a student to take on the assignment
Calculation of external heat transfer coefficients for gas turbine components
The assignment:
To determine the thermal state of a turbine component in a gas turbine, typically a vane or a blade, calculation of the external or gas side heat transfer coefficient (hereby noted as HTC) is necessary. Over the years different methods for calculating the external HTCs has been used; from flat plate Nusselt and Stanton correlations and boundary layer codes to state of the art CFD calculations.
Several factors influence the boundary layer around a turbine component airfoil and hence the external HTCs such as turbulence intensity, surface roughness, transition from laminar to turbulent flow, curvature, pressure distribution and Mach number distribution. This makes it a highly challenging task to calculate the proper HTC distribution.
Measurements of HTC at engine condition is extremely difficult, but data from test turbines are available. For example there exists some freely available benchmark HTC data such as the von Karman Institute-data that could be used for comparison with numerical calculated HTC, which has been a common practice both in the industry and the academia.
The purpose with this thesis is to investigate, clarify and suggest optimal ways of working when it comes to the external heat transfer coefficient distribution around turbine component airfoils. The investigation tools for this task include a literature study and numerical calculations using in house codes and commercial CFD software. To evaluate the calculation part of the thesis, a comparison with available open HTC measurements and /or in-house metal temperature measurement should be made.
Your Profile:
• Student at MSc level with focus in mechanical engineering and flow physics
Have good knowledge about heat transfer, boundary layer theory and CFD.
Is structured and can communicate well.
Who can find own ways and solutions to challenges
Why should you be working at Siemens?
Siemens Energy is one of the world's leading energy technology companies. The company works with its customers and partners on energy systems for the future, thus supporting the transition to a more sustainable world. With its portfolio of products, solutions and services, Siemens Energy covers almost the entire energy value chain - from power generation and transmission to storage. The portfolio includes conventional and renewable energy technology, such as gas and steam turbines, hybrid power plants operated with hydrogen, and power generators and transformers. More than 50 percent of the portfolio has already been decarbonized. A majority stake in the listed company Siemens Gamesa Renewable Energy (SGRE) makes Siemens Energy a global market leader for renewable energies. An estimated one-sixth of the electricity generated worldwide is based on technologies from Siemens Energy. Siemens Energy employs 91,000 people worldwide in more than 90 countries and generated revenue of around EUR29 billion in fiscal year 2019. In Sweden Siemens Energy has 2600 employees in 10 locations.
At Siemens we value diversity by inclusion and by cooperating with people with different mindset, background, experience, competence and personal traits - in all organisational levels.
Read more about Siemens here:
www.siemens-energy.com.Application
Do not hesitate - apply today via
https://jobs.siemens-energy.com/jobs , refnr 221287 and no later than November 6th . For questions about the role please contact recruiting manager Mats Annerfeldt
mats.annerfeldt@siemens.com 0122-82678.
If you have questions about the recruitment process, please contact Eva Nilsson,
eva.e.nilsson@siemens.comPlace of work: Finspång
Trade Union representatives:
Veronica Andersson, Unionen, 0122-840 21
Simon Von Eckardstein, Sveriges Ingenjörer, 0122-842 24
Jan Lundgren, Ledarna, 0122-812 33
Jonny Persson, IF Metall, 0122-817 69
Publiceringsdatum2020-10-06Så ansöker duSista dag att ansöka är 2020-11-06
Klicka på denna länk för att göra din ansökanAdressSiemens Energy AB
SEAB
61283 FINSPÅNG
Arbetsgivare Siemens Energy AB (org.nr 556606-6048)
Seab (
visa karta)
612 83 FINSPÅNG
Jobbnummer 5387930
Observera att sista ansökningsdag har passerat.