California Institute of Technology Cal Tech - Big T Yearbook (Pasadena, CA)

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f ' f 7 ,,, ua ,,,f,,, 1 fy,,,, -. , ,,,,,,,,.,,ff, , 4 f ' Qt Zliizzi f I if D E P A R T M E N T S ,,,,-.inf , ,,,,,,.,-, 'ff ,, . ,,,, ,, . , , , ,, , ff 'f g.,f7gg4fffg2g2gf:0 f ' a232,w'ff1'ff:z1-r'- , f-., 5 33 ft fa- ' , - , PROFESSOR FRANKLIN THOMAS The Department of Civil Engineering More and more opportunities are to be had in the Civil Engineering department for re- search in structural engineering, irrigation, power development, highway engineering, dam construction, and the like due to the increased facilities' of the department, and the capability of the staff of instructors. Professor Franklin Thomas, head of the Civil Engineering depart- ment, is Vice-Chairman of the Board of Direc- tors of the Metropolitan Water District of Southern California. Professor Romeo R. Mar- tel, professor of Structural Engineering, is es- pecially interested in the effect of earthquakes on structures. One of the men of the department is working on a new form of shaking table for investiga- tion of the effect of vibration upon buildings and building frames. This research is being carried on with the view of finding an index of both the nature of the stresses that develop in frames under vibration, and a quantitative meas- ure of the stresses themselves. There has, just been completed an extensive investigation of the rate of percolation of water in stream beds. fy. ,Q .V f 4, ,- yn, f , ,, . Qc, -0,4 ,4 ,,,, -,,f , ., ,, I 4 ' f'31 'IMA QQ f f Nineteen

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DEPARTMENTS PROFESSOR ROYAL W. SORENSEN The Department of Electrical Engineering The science of electrical engineering has, due to advances in physics and its applications, reached a status such as to demand electrical engineers qualified to conduct researches in- volving a knowledge of mathematics, physics, and electrical engineering far in excess of that obtainable in an undergraduate engineering course. With this end in view, the graduate school provides advanced work in the applica- tion of mathematical analysis and physical laws to mechanical and electrical problems incident to electrical design and research. Some of the lines of research are: the study of losses in synchronous machines, high voltage arcs with special reference to switching, power distribution, vacuum tube work, and coopera- tion with the physics department in X-ray work. With the completion of the Kellogg Radiation Laboratory, the Electrical Engineering staff has been able to move into better offices and have acquired six much needed, additional rooms for research. This rnove has added much to the eihciency and homogeneity of the department. cf?- MQW ,f,. Eighteen f A f. ' A 4 f ff ff .12 'Exo fffffwf f if f . fmaw ffff ff f f Q Ty' fl ' 1 ' f

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DEPARTMENTS PROFESSOR ROBERT L. DAUCHERTY The Department of Mechanical Engineering The Mechanical Engineering department, un- der the supervision of Professor Robert L. Daugherty, has as its aim to give work, both in theory and practice. It is the practice of the department to arrange for tests to be made out- side of school in industrial plants, and other places, in order to give practical knowledge to those taking the work. There is extensive research being carried on in a number of lines this year. The following investigations are being conducted: experimen- tal investigation of induced turbulence in annu- lar tubesg investigation of the characteristics of a centrifugal pump under abnormal conditionsg development of an optical type of diiferential pressure gaugeg investigation of new methods for determining instantaneous velocities in liquids moving at relatively high speedsg a study of relative properties of commercial au- tomotive lubricating oilsg diffusion of manga- nese in irong effect of rapidity of breaking on the energy requiredg and elongation and con- traction of tensile test specimens. It is interest- ing to note the variety of the researches that are being conducted, and most of them are of prac- tical importance. Twenty