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' *J' -'.-v r .;- ►v*- >v** .+l> r ■ Hill'"* .*. V.‘ '4 *i5fiw3 Technion system adds vital link in body heat reseach Researchers at the Technion-Israel Institute of Technology’s Faculty of Mechanical Engineering are studying the biomedical effects of body heat transfer. — Haifa How does the human body con trol its temperature in response to climate, heat stress, exercise or sleep? How can individuals who work in dangerous environments of extreme temperature range—as deep sea divers, astronauts, or firefighters—be adequately pro tected? How can the human body be heated or cooled without harm? In a major contribution to the foundations of heat transfer science. Professor Avraham Shitzer and Dr. Hillel Arkin of the Technion-Israel Institute of Tech nology in Haifa have developed computer models of “body heat transfer" -the first comprehensive mathematically based analysis of the distribution of heat in humans. Their computer models simulate the body’s temperature control mechanisms and provide invalua ble information for the increasing number of medical and biological applications in which temperature plays a crucial role. A better understanding of the applications of therapeutic heat and cold will have far-reaching medical benefits. One fascinating aspect is “hyperthermia”—a tech nique in which heat is delivered into a tumor in an effort to destroy it. In contrast, controlled “hypo- thermia” can be used during surgery to protect the cells by reducing the body’s metabolism. In combination with circulatory arrest, it can control bleeding. An improved ability to predict and measure internal temperature distribution will directly benefit surgery utilizing electric currents, freezing, or lasers. Eventually, advanced techniques for freezing or thawing human tissues will allow them to be stored indef initely. In a related area, burn analysis, computer models will enable phy sicians to better diagnose the true extent of burn wounds and develop methods to provide more effective treatment. It is hoped that heat transfer research will lead to the ability to predict and counter the effects of the prolonged exposure to hostile environments on humans—as the polar regions, deep space, under water, where one is exposed to extreme heat or cold—as well as enhance everyday thermal com fort. This entire area of research has been accentuated by the U.S. space program. When the first American walked in space, he was obliged to return to the rocket capsule earlier than planned: the original space suit design did not adequately pro tect the astronaut and its cooling system required lifesaving im provements. A Technion graduate, Shitzer designed and analyzed space suits during a year’s fellowship at NASA before joining Technion’s Faculty of Mechanical Engineer ing. Subsequently, he developed water-cooled helmets to better protect helicopter pilots. Shitzer also has been investigating the mechanical aspects of heating and cooling in air conditioning and he is a founding member of the Israel Society of Heating, Refrigeration and Air Conditioning Engineers and numerous American and Israeli professional societies. Plenum Press of New York recently published the major two- volume work, “Heat Transfer in Medicine and Biology: Analysis and Applications,” co-edited by Shitzer and Dr. Robert C. Eber- hart, chairman of the Joint Pro gram of Biomedical Engineeringat the University of Texas Health Science Center at Dallas. rnazDa 1986 The Critics' Choice Best volue Low maintenance Mazda means a cut above - the more you look, the more you like! 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COUPLES NEEDED I □ for Jewish Family Planning Research Project WHO: Couples in their child bearing years who have selected to * have no children * have one child * have three or more children WHY: The American Jewish Committee is launching a pilot research projectto examine decisions relating to Jewish family planning WHEN: Call immediately to participate Ronnie Henderson, AJC office, 233-5501 The American Jewish Committee § iimiiiiiiiaiiiiiiiiiiiiaiiiiiiiiimaiiiiiiiiiiiiaiiiiiiiiiniaiiiiiHiiiiiaitiiiiHNifl 22-DAY betea revocations *51 to *78 a Day Plus r/t airfare via EL AL INCLUDING: • 8 Nights in JERUSALEM • 7 Nights in TEL AVIV • 4 Nights in a KIBBUTZ Guest House • Choice of Top First Class or Deluxe Hotels • Israeli Breakfasts and Dinners Daily • 13 Leisurely Paced Escorted Sightseeing Tours • Exciting Social and Recreational Activities • Transfers, Service Charges & Local Taxes • Services of Local Hosts DEPARTURES: Apr 14; May 5; Jun 9; Jul. 7; Aug 4; Sep. 8. 29; Oct. 15, 1986 Optional: Extensions in Israel and/or Switzerland Come to Israel, Come Stay With Friends! See your travel agent or request folder from: A.J.S. TRAVEL CONSULTANTS, Inc. 177 Beach 116th Street Rockaway Park, NY 11694 (718) 945-5900*1-800-221-5002 PAGE 15 THE SOUTHERN ISRAELITE March 28, 1986