Page 12 - ASME SHTC 2017 Program
P. 12
Plenary Sessions
MONDAY, JULY 10, 2017 • 10:30 AM – 12:10 PM received the ASME HTD 75th Anniversary Medal 2013. Fellow and
EVERGREEN BALLROOM EF, LOBBY LEVEL Eminent Scientist of WIT, UK. He is the 2016 recipient of Donald Q. Kern
Award. Since 1st May 2017 he serves as an associate editor of ASME
“AN OVERVIEW OF COMPUTATIONAL HEAT TRANSFER journal Electrochemical Energy Conversion and Storage. The h-index is 34
PROCEDURES FOR HEAT EXCHANGERS” and the number of citations is more than 4500.
Professor Bengt Sundén TUESDAY, JULY 11, 2017 • 10:30 AM – 12:10 PM
Lund University EVERGREEN BALLROOM EF, LOBBY LEVEL
Lund, Sweden
Heat Transfer, Department of Energy Sciences “HEAT TRANSFER AND ADVANCED COOLING IN GAS TURBINES”
ABSTRACT: This lecture presents a brief overview and state-of-the-art of 2016 Max Jakob Memorial Award Winner
computational methods in heat transfer equipment, i.e., mainly CFD Professor Je C. Han
(computational fluid dynamics) methods for thermal problems, and Texas A&M University
turbulence modeling for single phase applications in the design, research College Station, TX
and development of heat exchangers. Typical examples of real heat
exchangers are shown to demonstrate how CFD methods can be used as
R & D tools. Specific issues for micro heat exchangers and phase change ABSTRACT: Gas turbines are used for aircraft engine propulsion,
applications are considered. Nevertheless, limitations and shortcomings land-based power generation, and industrial applications. Thermal
as well as need for further research are highlighted. In addition, specific efficiency and power output of gas turbines increase with increasing
methods like artificial neural networks (ANN) and genetic algorithms (GA) turbine rotor inlet temperatures (RIT). Current advanced gas turbines
are described and examples how these can be applied in heat exchanger operate at turbine RIT (1500°C) far higher than the yielding point of the
analysis are given. blade material (1000°C); therefore, turbine blades are cooled by
BIOGRAPHY: Bengt Sundén received his M. Sc. in Mechanical compressor discharge air (650°C). Moreover, recent research focuses on
Engineering 1973, Ph. D. in Applied Thermodynamics and Fluid Mechanics gas turbines operate even higher RIT with reduced cooling air. Therefore,
1979, and became Docent in Applied Thermodynamics and Fluid developments in turbine cooling technology play a critical role in
Mechanics 1980, all from Chalmers University of Technology, Gothenburg, increasing the thermal efficiency and power output of advanced gas
Sweden. He was appointed Professor of Heat Transfer at Lund University turbines. To design an efficient cooling system, it is a great need to
in Lund, Sweden, in 1992 and has served as Department Head of Energy increase the understanding of gas turbine heat transfer behaviors within
Sciences, Lund University for 21 years 1995-2016. Since 1st October 2016 complex 3-D high-turbulent unsteady turbomachinery-flow conditions. It is
he acts as Professor Emeritus and Senior Professor. The research important to solve gas turbine heat transfer problems with advanced
activities include compact heat exchangers, enhancement of heat transfer, cooling concepts under harsh working environments. The advanced
gas turbine heat transfer, combustion-related heat transfer, evaporation cooling technology and durable thermal barrier coatings play most critical
and condensation on micro- and nano-structured surfaces, impinging jets, roles for developments of modern gas turbines with near zero emissions
liquid crystal thermography, microscale and nanofluid heat transfer, for safe and long-life operation. Gas turbine blades are cooled both
thermal radiation, computational modeling and analysis of multiphysics internally and externally. Internal cooling is achieved by passing the
and multiscale transport phenomena for fuel cells. cooling air through several serpentine channels inside of the blade.
Internal cooling air is then ejected out through discrete holes to provide a
Dr. Sunden established and was first editor-in-chief of IJHEX – coolant film to protect the outside surface of the blade from high-
International Journal of Heat temperature combustion gas flow. For advanced turbine cooling, this
presentation will focus on heat transfer augmentation in the internal
Exchangers (R.T. Edwards Inc., USA) 1999-2008, an associate editor of cooling passage with ribs, impinging jets, dimples, and pin-fins, heat
ASME J. Heat Transfer 2005-2008, editor-in-chief of a Book Series transfer in rotating channel flows, film cooling in unsteady high free-stream
– Developments in Heat Transfer (WIT Press, UK) since 1995. He has turbulent flows and turbine edge-region cooling includes leading-edge,
published more than 700 papers in journals (> 300 in journals), books and trailing-edge, blade-tip, and end-wall regions. The detailed film cooling
proceedings. He has edited 30 books and authored three text books. He distributions will be presented using the newly developed pressure
has supervised more than 180 M Sc theses, 47 Licentiate of Engineering sensitive paint heat-mass transfer analogy technique. Ongoing and future
theses, 46 PhD-theses and many post docs and visiting researchers. He is gas turbine heat transfer research and advanced cooling trends will be
a Fellow of ASME, Honorary Professor of Xian Jiaotong Univ, China, Guest presented and discussed.
Professor at Northwestern Polytechnical University, Xi’an, China, a BIOGRAPHY: Dr. Je-Chin Han is currently University Distinguished
regional editor Journal of Enhanced Heat Transfer since 2007, an Professor, Marcus Easterling Endowed Chair Professor and Director of
12 associate editor of Heat Transfer Research since 2011, an associate editor Turbine Heat Transfer Laboratory at Texas A&M University. Born in Taiwan,
ASME J. Thermal Science, Engineering and Applications 2010-2016. He Han received his B.S. degree from National Taiwan University in 1970. He
was a recipient of the ASME Heat Transfer Memorial Award 2011. He
