E. Carr Everbach
My personal homepage
Welcome to the personal web pages of Erich Carr Everbach,
featuring descriptions of personal interests, and links to other
sites of interest. This is the Welcome Page and
Index -- many other pages can be reached from here by way of
the links below.
I teach in the Engineering
Department at Swarthmore
College, and have done so since Fall, 1990. My main areas of
professional interest are:
- Acoustics, including Musical Acoustics, Architectural
Acoustics, Physical Acoustics, and Biomedical Ultrasound.
- Environmental Engineering, especially Appropriate Technology,
Strawbale construction, Pollution Control, and Human Factors
- Women's Studies, especially the influence of women on
technology and technology's effects on women.
- Public Policy, especially as regards science education and
public support of scientific projects.
My research is concerned primarily with the mechanisms by which
ultrasound interacts with biological systems. My dissertation work
(Yale, 1989) involved the use of the acoustic nonlinearity parameter
B/A to help determine tissue composition. The goal was to develop the
mechanistic basis of an imaging system that would allow cancer tumors
and other tissues to be identified better than conventional
ultrasound can currently manage. Another extended research project
was to determine the mechanisms of action of acoustic shock waves on
human gallstones and kidney stones in the medical procedure known as
lithotripsy . More recently, I've been concerned
with the interaction of bubbles with ultrasound in echocardiography.
The bubbles can be made to oscillate and even implode by the
ultrasound, a process called inertial cavitation.
Implications of inertial cavitation include unwanted damage to blood
components or useful emissions that can be used to produce clearer
images. My most recent work involves trying to quantify the interactions of bubbles that are constrained in their motion by nearby objects such as vessel walls or blood clot fibers. I am also investigating how ultrasound and microbubbles can kill bacterial biofilms.
My departmental website will guide you to the courses I teach.
Index of other Pages
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Carr Everbach's Personal Homepage /