Page 14 - ASME HT FE ICNMM 2016 Program

Plenary Sessions

(MS '04) and Biological Engineering (PhD '08) and trained as a post-doc- presented 300 invited lectures. He is the author of the book “Flow
toral fellow in Biomedical Engineering at Johns Hopkins University. Control: Passive, Active, and Reactive Flow Management,” and editor of
Professor McGrath joined the University of Rochester faculty in 2001 the books “Frontiers in Experimental Fluid Mechanics,” “Advances in Fluid
where he has also served as the director of the Graduate Program in BME Mechanics Measurements,” “Flow Control: Fundamentals and Practices,”
and as the co-director the University's core facility for microfabrication “The MEMS Handbook” (first and second editions), “Transition and
and metrology: UR Nano. While historically Professor McGrath's research Turbulence Control,” and “Large-Scale Disasters: Prediction, Control and
focused on the phenomena of cell migration, in 2007 his research turned Mitigation.” Professor Gad-el-Hak is a fellow of the American Association
to a breakthrough ultrathin porous membrane material termed silicon for the Advancement of Science, the American Physical Society, the
nanomembranes. McGrath founded and served as past-president of American Society of Mechanical Engineers, and the American Academy of
SiMPore, a Rochester based company established to achieve high volume Mechanics. In 1998, Professor Gad-el-Hak was named the Fourteenth
and high quality manufacturing of nanomembranes. He also established ASME Freeman Scholar. In 1999, Gad-el-Hak was awarded the prestigious
the multidisciplinary Nanomembrane Research Group (NRG) to advance Alexander von Humboldt Prize, Germany’s highest research award for
both the material science and application of nanomembranes. The NRG senior U.S. scientists and scholars in all disciplines. In 2002, Gad-el-Hak
has grown into a multi-institutional and international collection of faculty, was named ASME Distinguished Lecturer, as well as inducted into the
entrepreneurs, students, and senior scientists, developing and applying Johns Hopkins University Society of Scholars. In 2016, he was awarded
the breakthrough ultrathin membrane technology. Through more than a the ASME Medal for significant contributions to the advancement of the
dozen patent applications and two dozen peer-reviewed journal publica- science and practice of fluids engineering.
tions, the NRG has pioneered the use of nanomembranes for therapeutic
and laboratory separations, for 3D tissue models, for molecular sensing,
and for various lab-on-a-chip applications.
PLENARY TITLE: NUCLEATE POOL BOILING
HEAT TRANSFER AT DIFFERENT LEVELS OF
GRAVITY (HEAT TRANSFER)
PLENARY TITLE: NINE DECADES OF FLUID DATE/TIME: TUESDAY, JULY 12, 2:00 – 3:40 PM
MECHANICS (FLUIDS ENGINEERING)
Room: Regency BC
DATE/TIME: TUESDAY, JULY 12, 10:30 AM – 12:10 PM
Presenter:
Room: Regency BC
Presenter: Vijay Dhir, University of California, Los Angeles

Mohamed Gad-el-Hak, Virginia Commonwealth
University

Session Description:
Rate of pool boiling heat transfer is influenced by the magnitude of gravity
Session Description: through bubble dynamics and associate subprocesses. Experiments have
As the ASME Division of Fluids Engineering celebrates its 90th anniversa- been conducted at earth normal gravity, in parabolic flights (1/100th of
ry, I make a broad-brush sweep of progress in the field of fluid mechanics earth normal gravity), and on the International Space Station (one millionth
during this period. Select theoretical, numerical, and experimental advanc- or less of earth normal gravity), and results from these experiments will be
es are described. The inventions of laser and computer have profound described. The experimental work is accompanied by numerical simula-
effect on humanity, but their influence on fluid mechanics is particularly tions of the process. In the simulations the domain of interest is divided
elucidated in this lecture. into micro and macro-regions. Conservation equations are solved for both
phases and a level set formulation is used to capture the interface in the
Speaker Bio: macro region. The interface shape obtained for the two regions is
Mohamed Gad-el-Hak received his B.Sc. (summa cum laude) in mechani- matched at the outer edge of micro layer. Numerical simulations consis-
cal engineering from Ain Shams University in 1966 and his Ph.D. in fluid tent with experiments show that vapor bubble dynamics and vapor
mechanics from the Johns Hopkins University in 1973. Gad-el-Hak has removal mechanisms remain similar up to 1/100th of earth normal gravity in
since taught and conducted research at the University of Southern that bubbles after growing to a certain size, move away from the surface
California, University of Virginia, University of Notre Dame, Institut National as a result of buoyancy. However, under microgravity conditions, a large
Polytechnique de Grenoble, Université de Poitiers, Friedrich-Alexan- vapor bubble is found to persist in the middle of the test surface and
der-Universität Erlangen-Nürnberg, Technische Universität München, and smaller bubbles move radially inward and merge into it. This large bubble
Technische Universität Berlin, and has lectured extensively at seminars in acts as a vapor sink near the surface as opposed to vapor removal away
the United States and overseas. Dr. Gad-el-Hak is currently the Inez from the surface under earth normal and reduced gravity conditions. Rate
Caudill Eminent Professor of mechanical & nuclear engineering at Virginia of nucleate boiling heat transfer is found to degrade as level of gravity is
Commonwealth University. From 2002 to 2009, Gad-el-Hak was the chair reduced.
14 of mechanical engineering at VCU. Dr. Gad-el-Hak has published over
600 articles, authored/edited 20 books and conference proceedings, and Speaker Bio:
Vijay K. Dhir, distinguished professor of mechanical and aerospace