Friday, March 2, 2007 4:00 p.m. in ETC 4.120 Professor Eiichiro Komatsu Department of Astronomy The University of Texas at Austin http://www.as.utexas.edu The parameters that characterize properties of our Universe are called the “cosmological parameters.” These parameters include the age, matter and energy contents, expansion velocity, etc., of the Universe, and have been determined accurately…
Friday, February 23, 2007 4:00 p.m. in ETC 4.120 Alex Mayer Institute for Musical Acoustics The University of Music and Performing Arts Vienna, Austria http://www.bias.at/index_e.htm The Institute for Musical Acoustics (IMA) was founded in 1980 at the University of Music and Performing Arts in Vienna with the purpose of developing objective methods for measuring the…
Friday, February 16, 2007 4:00 p.m. in ETC 4.120 Mark Holden Principal, Acoustics JaffeHolden Norwalk, Connecticut Home JaffeHolden has been honored to be appointed as acoustician and audio systems designers on some of the most important performance buildings in Austin. The Long Center (Palmer Auditorium), Bass Hall (UT), and Hogg Auditorium (UT) will be discussed,…
Friday, February 9, 2007 4:00 p.m. in ETC 4.120 James Perry, Jr., Associate Principal Cerami & Associates New York, New York http://www.ceramiassociates.com Cerami & Associates is a nationally recognized firm of acoustical and audiovisual consultants with a reputation for excellence. We consult with prestigious clients on a wide variety of project types ranging from small…
Friday, February 2, 2007 4:00 p.m. in ETC 4.120 David A. Nelson, INCE Bd. Cert., P.E. Principal Consultant, Nelson Acoustics Elgin, Texas Consultant in Noise Control for Products, Equipment, Industry, and the Environment Fan-cooled products often require highly constrained installations of axial fans, with the result that noise emission and airflow performance are often significantly…
Friday, January 26, 2007 4:00 p.m. in ETC 4.120 Dr. Mark S. Wochner Applied Research Laboratories The University of Texas at Austin http://www.arlut.utexas.edu This work is focused on studying the dynamics of the human lung in response to low-frequency underwater sound, and predicting acoustic thresholds below which lung injury is avoided. Three models have been…
Friday, January 19, 2007 4:00 p.m. in ETC 4.120 Jack B. Evans, P.E. JEAcoustics Austin, Texas http://www.jeacoustics.com Hospital facility modifications and additions occur frequently as demands change and increase. Existing facilities within the hospital are affected. Nursery and neonatal intensive care units (NICU) are very noise-sensitive spaces. Because they have special facilities and space is…
Friday, November 20, 2006 4:00 p.m. Mike Black Acoustic Systems, Austin, Texas http://www.ets-lindgren.com/page/?i=Acoustics Acoustic Systems, located in Austin, Texas, has been designing, manufacturing, and installing acoustical products since 1971. While Acoustic Systems does offer standard products, our focus is on custom designs, manufactured per customer specifications. Acoustic Systems is staffed by highly qualified sales professionals…
Friday, November 10, 2006 4:00 p.m. Rachel A. Page and Professor Michael J. Ryan Section of Integrative Biology, The University of Texas at Austin http://www.biosci.utexas.edu/IB/Default.htm The fringe-lipped bat, Trachops cirrhosus, feeds on frogs and uses frog advertisement calls to detect, identify, and localize its prey. Given acoustic cues alone, T. cirrhosus is able to discriminate…
Friday, November 3, 2006 4:00 p.m. Chris DeFilippo National Instruments, Austin, TX http://www.ni.com National Instruments has been involved in acoustic data acquisition for over 10 years. Over this span, NI has helped countless customers put together instrumentation systems for microphone arrays and weve picked up a few pointers along the way. Microphone arrays for noise…
Friday, October 27, 2006 4:00 p.m. Lauren Falco Graduate Program in Acoustics, The Pennsylvania State University http://www.acs.psu.edu/ The approximations used in linear acoustics are appropriate for most acoustics applications, but when they no longer hold and nonlinear effects become significant, it is very important to account for nonlinearity in models, predictions, and analysis. In some…
Friday, October 20, 2006 4:00 p.m. Dr. Andrei Karpiouk Biomedical Engineering Department, Panscopic Imaging Laboratory, The University of Texas at Austin http://www.bme.utexas.edu/research/pil An ultrasound technique to assess the temporal and spatial behavior of a laser-induced cavitation bubble in liquid and tissue will be presented and discussed. The developed technique is based on passive detection of…
Friday, October 6, 2006 4:00 p.m. Fernando Garcia-Osuna and Vivian Pistre Schlumberger Corporation, Sugarland, Texas and Fuchinobe, Japan http://www.slb.com This talk describes the development and answer products of Schlumberger’s latest wireline acoustic logging technology (Sonic Scanner TM). For decades, the oil and gas industry has used borehole acoustic measurements throughout the lifecycle of wells to…
Friday, September 29, 2006 4:00 p.m. Jack B. Evans, P.E. JEAcoustics, Austin, Texas http://www.jeacoustics.com An expansion was planned to an existing scanning electron microscope (SEM) research suite that included installation of a transmission electron microscope (TEM). The TEM, which is rather tall and has a high center of gravity, is very sensitive to floor vibrations.…
Friday, September 22, 2006 4:00 p.m. Dr. Salavat Aglyamov Biomedical Engineering Department, Panscopic Imaging Laboratory, The University of Texas at Austin http://www.bme.utexas.edu/research/pil The goal of this study was to investigate the dynamic behavior of a rigid sphere in viscoelastic medium when acoustic radiation force is applied. In theoretical model, equations describing the displacements of the…
Friday, September 15, 2006 4:00 p.m. Suhyun Park Biomedical Engineering Department, Panscopic Imaging Laboratory, The University of Texas at Austin http://www.bme.utexas.edu/research/pil By integrating three complementary imaging techniques – ultrasound, elasticity and photoacoustic imaging, a hybrid imaging system is proposed for cancer detection, diagnosis and therapy monitoring. Indeed, simultaneous imaging of the anatomy (ultrasound imaging), changes…
Friday, September 8, 2006 4:00 p.m. Professor Elmer Hixson Department of Electrical and Computer Engineering, The University of Texas at Austin http://www.ece.utexas.edu The seminar will start with a motivation for modeling sensors, and then some fundamentals of the kinds of sensors to be discussed will be presented. The analytical tools and the topology necessary to…
Wednesday, August 23, 2006 4:00 p.m. Professor M. Sheplak, Professor T. Nishida, and Professor L. N. Cattafesta Interdisciplinary Microsystems Group, Department of Electrical and Computer Engineering and Department of Mechanical and Aerospace Engineering, University of Florida at Gainesville http://www.img.ufl.edu A review of micro-electromechanical system (MEMS)-based directional acoustic array technology is presented. The prospects for reducing…
Friday, April 28, 2006 4:00 p.m. Dr. Tom Muir National Center for Physical Acoustics, University of Mississippi http://www.olemiss.edu/depts/ncpa The rich literature of high-resolution biosonar capability is baffling as to the cetacean species’ attainable sonar resolution and beam-scanning dynamics. Simultaneous physical acoustics and psychometric measurements in San Diego Bay on two bottlenosed dolphins and one beluga…
Friday, April 21, 2006 4:00 p.m. Jianying Cui and Theodore F. Argo IV Department of Mechanical Engineering and Applied Research Laboratories, The University of Texas at Austin http://www.me.utexas.edu The use of microbubbles as contrast agents in medical ultrasound imaging, their development for drug and gene delivery, and their role in shock wave lithotripsy all involve…