Jika ada yang tertarik, at least nambah orang Indonesia bergabung di research grup kami (daripada diambil anak2 cina & india yang udah kebanyakan).
best regs,
Gandi R. Setyadi
PhD-position
at the Department of Energy and Process Engineering (Mass transfer in transient
multiphase flow models)
Background
The
area of the suggested work is within 1D transient flow models for flowing
gas-liquid mixtures in pipes. Such models are based on numerical integration of
conservation laws in time and along the pipe. Development of computer models
then typically involve formulation of the base equations (two fluid models or
mixture models), formulation of closure laws (friction models or slip
relations) and testing of numerical methods (front capturing or front tracking
methods, sequential or iterative solutions, low or high order schemes).
One
particular issue is the formulation and implementation of mass transfer in the
multiphase flow models. Instead of assuming thermal equilibrium between the
phases, we will test schemes based on non-equilibrium mass transfer models.
The PhD research fellowship is
awarded for a total of 4 years, including 25 % teaching assistance at
bachelor's and master's degree level.
Objective
The
objective of the work is to explore different computational concepts for mass
transfer in dynamic multiphase flow models.
Areas of application
There
will be two particular application areas for the research tasks. The main area
is the multiphase transport of oil and gas in wells and sub-sea pipelines,
where mass transfer often is the cause for the transition from single phase to
two phase flow. The other area is heat transfer equipment, with boiling and
condensation, and a particular application is the heat transfer in
concentrating solar energy collectors.
Links to other projects
The
work will relate to our activities with oil companies on multiphase transport,
see the link for further information http://www.ept.ntnu.no/multiphase
We
also foresee experimental activity on heat/mass transfer in a project on solar
energy, where thermal energy is collected in a concentrating parabola dish and
transported to a high temperature storage unit. There is a need for modelling
natural flows in boiling systems as well as in heat pipes. See the link for
some information on the solar project, which is a collaboration with African
universities: http://www.ept.ntnu.no/NUFUSolar
Candidate
The
candidate must have a strong interest in computational methods and
programming. Suitable background can be
within computational physics, fluid mechanics, mechanical or chemical
engineering. Applicants for PhD grants
should have an MSc or similar degree within relevant engineering or technology
areas, and must be qualified for a PhD study at NTNU.
Further
information can be obtained by contacting Professor Ole Jørgen Nydal, email: ole.j.nydal@ntnu.no.
Conditions of appointment:
PhD
students follow code 1017, grade 43 – 47, gross NOK 325 600 to NOK 348 900 per
year (before tax). PhD students are normally remunerated at wage level 43. There will be a 2 % deduction to the
Norwegian Public Service Pension Fund from gross salary.
Engagement
as a PhD candidate is done in accordance with current appointment regulations
with supplementary rules in force giving guidelines for scholarship
appointments in universities and university colleges. The goal of each of the
announced positions is to obtain a PhD degree. Applicants are obliged to engage
in an organized PhD training program, and appointment requires approval of the
applicant's plan for a PhD study within three months from the date of
commencement. A contract of employment will be set up for the engagement period
regulating the rights and duties of the PhD student.
The
engagement is to be made in accordance with the regulations in force concerning
State Employees and Civil Servants.
The positions adhere to the Norwegian Government's
policy of balanced ethnicity, age and gender. Persons with immigrant background
and women are encouraged to apply.
The application must contain information of
educational background and work experience. Copies of transcripts and reference
letters should be enclosed.
An application inclusive CV, grade transcripts and
other enclosures should be sent electronically through http://www.jobbnorge.no, ref.no. IVT-05/08. Preferably, we want the
attachments in one file. Application deadline: 1 March 2008.
____________________________________________________________________________________
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