Pergamon Titles of Related Interest Ashley, Rudman & Whipple - Energy and the Environment: A Risk-Benefit Approach Eggers-Lura — Solar Energy for Domestic Heating and Cooling Fazzolare & Smith — Energy Use Management (4-Volume Set): Proceedings of the First International Conference on Energy Use Management held in Tucson, Arizona, October 24-28, 1977 Georgescu-Roegen — Energy and Economic Myths H owe 11 — Your Solar Energy Home Including Wind and Methane Applications Kovach — Thermal Energy Storage The report of a NATO Science Committee Conference held in Turnberry, Scotland, March 1-5, 1976 McVeigh - Sun Power: An Introduction to the Applications of Solar Energy Nicholson — The Nicholson Solar Energy Catalogue and Building Manual O'Callaghan — Building for Energy Conservation Reay — Industrial Energy Conservation: A Handbook for Engineers & Managers Smith — Efficient Electricity Use: A Reference Book on Energy Management for Engineers, Architects, Planners, and Managers Veziroglu — Energy Conservation: A National Forum Proceedings of a Conference held in Fort Laud e rdale, Florida, December 1-3, 1975 Williams — Carbon Dioxide, Climate and Society Proceedings of an NASA Workshop Cosponsored by WMO, UNEP, and SCOPE, February 21-24, 1978 S UN Mankind's Future Source of Energy Proceedings of the International Solar Energy Society Congress New Delhi, India — January 1978 Volume One Edited by Francis de Winter and Michael Cox Altas Corporation Santa Cruz, California Pergamon Press New York / Oxford / Toronto / Sydney / Frankfurt / Paris Pergamon Press Offices: U.S.A. Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, New York 10523, U.S.A. U.K. Pergamon Press Ltd., Headington Hill Hall, Oxford 0X3, OBW, England CANADA Pergamon of Canada, Ltd., 75 The East Mall, Toronto, Ontario M8Z 5W3, Canada AUSTRALIA Pergamon Press (Aust) Pty. Ltd., PO Box 544 Potts Point, NSW 2011, Australia FRANCE Pergamon Press SARL, 24 rue des Ecoles, 75240 Paris, Cedex 05, France FEDERAL REPUBLIC Pergamon Press GmbH, 6242 Kronberg/Taunus, OF GERMANY Pferdstrasse 1, Federal Republic of Germany Copyright © 1978 International Solar Energy Society British Library Cataloguing in Publication Data International Solar Energy Congress, New Delhi, 1978 Sun. 1. Solar energy — Congresses I. Title II. De Winter, F. III. International Solar Energy Society 621.47 TJ810 78-40450 ISBN 0-08-022725-2 All Rights Reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means: electronic, electrostatic, magnetic tape, mechanical, photocopying, recording or otherwise, without permission in writing from the publishers. Printed in the United States of America in memoriam Lloyd H. Shaffer 1921 - 1978 Lloyd H. Shaffer, author from the U.S.A. of a paper entitled: "Viscosity Stabilized Solar Ponds", to be presented at the Congress, died in an automobile accident in Jaipur, India just prior to the Congress. He had been working as principal investigator on the solar pond research project funded by the U.S.Department of Energy in conjunction with the Center for Environment & Man, at a labora tory in the University of Bridgeport. He was an honor graduate from Princeton University in 1943. He received his PhD in physical chemistry from MIT in 1949. He published technical papers and held several patents. Areas of investigation included electro-dialysis, desalination, and solar energy. He also owned a consulting business and taught at the university level. Mrs. Dorothy Browne Shaffer, Lloyd's widow, has expressed gratitude for the assistance and attention she received in India after Lloyd's untimely death. As an example, the pilot of the Indian Air flight bringing her from Jaipur to Delhi invited her to the cockpit and diverted the flight to circle the Taj Mahal so that she might still see it- Lloyd had made many friends in the solar energy community over the years, who will miss him at future conferences. INTERNATIONAL SOLAR ENERGY SOCIETY: OFFICERS AND ADDRESSES ISES officers and Directors: President: W.H. Klein, USA Vice Presidents: R.L. Datta, India J.A. Eibling, US Past President: G.O.G. Löf, USA Secty-Treasurer : F.G. Hogg, Australia Honorary Directors: W.R. Bimson, USA W.T. Lucking, USA F.L. Snell, USA Directors : M.D. Archer, UK R.N. Morse, Australia W.W.S. Charters, Australia J.K. Page, UK J.C.V. Chinnappa, PNG G. Peri, France J.A. Duffie, USA E.L. Ralph, USA M.C. Gupta, India W.R.W. Read, Australia L.O. Herwig, USA N.R. Sheridan, Australia E.D. Howe, USA W. Shropshire, Jr., USA K. Kimura, Japan H. Tabor, Israel F.H. Morse, USA F. de Winter, USA For membership information contact the Secretary- Treasurer, P.O.Box 26, Highett, Victoria 3190, Australia, or one of the following regional secretaries: AMERICAN SECTION JAPANESE SECTION American Section of ISES, Inc. Dr.T.Noguchi P.O.Box 1416 Solar Research Laboratory .US Highway 190 West Government Industrial Research Institute Killeen, TX 76541, USA Karate-Machi, Kita-Ku Nagoya 462, Japan ANZ SECTION Mr. F.G.Hogg NETHERLANDS SECTION P.O.Box 26 Ir.C.C.H.T.Daey Owens Highett, Victoria 3190, Australia Experimental Physics Laboratory University of Utrecht BELGIAN SECTION Sorbonnelaan 4, Utrecht, Holland Prof. J.Nasielski Uni versi te Libre de Bruxelles SCANDINAVIAN SECTION Faculté des Sciences Mr.Ulf Rengholt Avenue F.D.Roosevelt 50 VVS-Tekniska Ftfreningen Bruxelles, Belgium Hantverkargatan 8 S-112 21 Stockholm, Sweden INDIAN SECTION Dr.J.Gururaja UNITED KINGDOM SECTION Dept. of Science and Technology Dr.J.Barber Technology Bhavan The Royal Institution New Mehrauli Road 21 Albemarle Street New Delhi 110 029, India London W1X 4BS, England IRISH SECTION SOUTH AFRICAN SECTION Mr. J.Owen Lewis Mr.B.G.A.Schaller School of Architecture, University College P.O.Box 309 Earlsfort Terrace Estcourt, Natal 3310, South Africa Dublin 2, Ireland WEST GERMAN SECTION ITALIAN SECTION Dr.Ing.W.Lenz Dr. V.Storelli VDI-Gesellschaft Energietechnik Via Crispi 72 4 Dusseldorf 1, Postfach 1139 80121 Naples, Italy Federal Republic of Germany NEW DELHI CONFERENCE ORGANIZATION NATIONAL ORGANIZING COMMITTEE TECHNICAL PROGRAM COMMITTEE A.Ramachandran, Chairman F. de Winter, Chairman J.Gururaja, General Secretary M.D.Archer, R.L.Datta, S.Deb, J.A.Duffie, B.K.Gupta, Ajit K.Gupta, Assistant Secretary L.O.Herwig, A.S.Hirshberg, U.R.Read, B.G.A.Schaller. N.B.Amin, B.Bhatnagar, V.G.Bhide, Otima Bordia, R.L. Datta, R.D.Deshpande, A.Gopalakrishnan, C.L.Gupta, Additional Manuscript Reviewers: R.W.Allen, D.K.. M.C.Gupta, K.N.Johry, J.C.Kapoor, P.K.Katti, M.G. Anand, V.A.Baum, A.F.Clark, J.Cook, J.A.Eibling, Krishna, V.R.Narasimhan, M.K.Raghunathan, P.K. J.Goldsmith, T.A.Lawand, W.Shropshire, C.J.Swett, Ramanujam, S.Ramaseshan, A.Rahman, M.K.Sambamurti, M.Wahl ig, R.Winston. Darbari Seth, H.N.Sharan, C.S.Sridharan, R.K.Suri, C.V.Suryanarayana, N.M.Swani, U.V.Warlu. FINANCE COMMITTEE R.K.Ramanujam, Convener SOLAR ENERGY SOCIETY OF INDIA RECEPTION, ACCOMMODATION & HOSPITALITY COMMITTEE Lt.Gen.M.M.L.Chhabra, Convener GOVERNING COUNCIL CONGRESS ARRANGEMENTS COMMITTEE A.Ramachandran, President B.Bhatnagar, Convener R.L.Datta, Immediate Past-President(Ex-Officio) EXHIBITION COMMITTEE A.Mani, Vice President U.V.Warlu, Convener V.G.Bhide, Vice President PUBLICATIONS & TECHNICAL PROGRAMME COMMITTEE J.Gururaja, Secretary J.Gururaja, Convener R.K.Suri, Treasurer PRINTING & DOCUMENTATION COMMITTEE Y.R.Chadha & T.S.Rajagopalan, Conveners Members: J.C.Kapoor, M.C.Gupta, Arvind Pandya, CULTURAL PROGRAMME COMMITTED B.C.Raychaudhuri, V.R.Muthuveerappan, C.R.Das, R.C.Malhotra, Convener K.D.Mannan, H.P.Garg, S.K.Shil, C.L.Gupta. PUBLICITY COMMITTEE S.P.Ambasta, Convener LADIES PROGRAMME Mrs.B.Chhabra, Convener PHOTOVOLTAIC WORKSHOP COMMITTEE K.L.Chopra, Convener SOLAR THERMAL WORKSHOP M.V.Krishnamurthy & M.C.Gupta, Conveners -vili- Foreword The International Solar Energy Society (ISES) was Another journal, called "Sunworld" is published founded in 1954, and changed names several times. quarterly for all the members of ISES. The society In August 1971 its name was changed from the "Solar holds meetings every two years. energy Society" (SES) to the "International Solar Energy Society" (ISES). In 1963 the name had been There have been many other meetings organized by the changed to "Solar Energy Society" from the earlier: ISES. After the original meeting in 1955 in Phoenix "Association for Applied Solar Energy" (AFASE). and Tucson, there were subsequent meetings in 1957 AFASE was founded on March 17, 1954 in Phoenix, Ari in Phoenix, Arizona QJSA) on Solar Furnaces, and zona (USA), ^ery soon after its foundation, in 1955, general meetings in 1965 in Phoenix, in 1966 on two important meetings were held in Phoenix and in Boston, in 1967 in Tempe, in 1968 in Palo Alto, (all Tucson, Arizona (USA). These meetings constituted in the USA), in 1970 in Melbourne (Australia), in the first worldwide gathering of solar energy 1971 in Greenbelt, Maryland (USA), in 1973 in Paris experts. The New Delhi meeting is the latest one. (France), and in 1975 in Los Angeles (USA). The New Delhi meeting, originally planned for November 1977, The ISES is a society fully supported by the indivi was finally held in January 1978. The 1979 meeting dual members, and by a few collective memberships is planned for Atlanta, Georgia (USA) during the from companies which have an interest in solar week of May 28 - June 1. Some of the National Sec energy. Although ISES regularly suggests or supp tions of ISES also hold regular meetings, notably lies experts to government or to international or in the English, Indian, and (North) American Sec ganizations, there are no direct affiliations with tions. any government, and there is no continuing support from any particular government. It is a purely The present volumes constitute the full proceedings technical organization, but it does not require any of the New Delhi "ISEC 77" (International Solar specific professional diplomas from its members: Energy Congress) conference. Papers were solicited they must merely be interested in solar energy. from participants who earlier had submitted an ab Virtually all members are however professionals. stract for review which had been accepted for presentation. Typing forms and instructions on The first 15 years or so of the existence of the format and graphics were supplied to the authors. society were very difficult ones indeed, for it was In the case of authors who were unable to attend no precisely during these days that gas, oil, coal and paper was included unless a presentation had been electricity became more easily available as well as arranged by a knowledgeable substitute. For those cheaper, in many parts of the world. As a result, authors who did not submit a final manuscript the solar energy, which can only be considered a com material included was obtained by retyping the ex peting energy source, was not competitive enough in tended abstract included in the volumes of extended many places to be considered a subject worthy of abstracts which had been handed out at the time of pursuit. During this period in many parts of the the meeting. Papers were retyped and figures were world solar energy actually went backwards: in the redrawn when this was clearly necessary for success U.S. in California and Florida, in Israel, in Japan ful photo-offset reproduction. The editing and and in a number of other places there were areas in document assembly process was performed at the Al tas which solar energy had been widely used for water Corporation. heating, and in which the installations were aban doned in favor of units which used cheap fuels, and In most previous ISES conferences only extended ensured an unlimited amount of hot water around the abstracts were made available, with many of the clock. For a number of years during this period final papers being published in the Solar Energy there was virtually no private or government support journal. Only the 1955(Tucson-Phoenix), the 1970 of research and development, and no incentive to (Melbourne) and the 1973 (Paris) meeting had resulted bring hardware from a research stage to a commercial in full proceedings or complete collections of full status. papers. It is planned to prepare a full set of pro ceedings for every ISES Conference in the future. These difficulties were behind the name changes of the society, and also behind the move of the society Francis de Winter in 1970 from Arizona to Melbourne, Australia (Aus Michael Cox tralia was one of the few countries in which inter Santa Cruz, August 1978 est in solar energy did not go down to virtually zero during these years). The society had some very difficult years during the 1960's, and only survived because of private donations and the voluntary efforts of many. Now the society is in a period of rapid growth. The total membership, worldwide, is about 7000. There are sections formed in 12 countries, and several others have made applications for membership. The Solar Energy Journal of ISES, founded in 1957, is one of the most important publications in the field. -XXIX- INTERNATIONAL SOLAR ENERGY CONGRESS WELCOME ADDRESS by Dr. A. Ramachandran Secretary Department of Science & Technology and Director-General, CSIR Honourable Prime Minister, distinguished invitees, of coal and its increasing use gave a tremendous delegates, ladies and gentlemen: impetus to industrialisation. Then came oil which rapidly produced a radical change in the level On behalf of the National Organising Committee, of activity and the life style of people in I have great pleasure in welcoming you to the most countries, while nuclear energy made its International Solar Energy Congress. We are indeed advent in the form of a disastrous weapon. It yery happy to have our Prime Minister today to took some time for peaceful uses to take roots. inaugurate this prestigeous conference. Your pres In fact, it has taken many years to harness ence, here, Sir, in spite of your multifarious nuclear energy for power production. There is engagements, indicates your keen interest in scien hardly any disagreement on the importance of tific research and development and your desire to harnessing renewable sources of energy and es see that its application would lead to a significant pecially solar energy in the years to come but improvement in the quality of life of the vast ma there is not enough awareness of the challenges jority of the people in the world who live below to be faced and the great tasks that lie ahead. subsistence level. The conference will no doubt address itself to these tasks and outline new possibilities The Conference itself is of great significance for its implementation. I am confident that for the opportunities it affords for experts from the deliberations of the conference would lead many developed and developing countries to take to greater international co-operation and stock of the achievements to-date, to examine the enhanced national activity in the utilisation scientific and technological problems associated of solar energy for the common well-being. with the optimal use of solar energy for various applications and to discuss the social and economic Dissemination of information of new tech issues concerning the emerging area of solar tech nology and guidance to its application is the nology. vital role of all professional societies. The International Solar Energy Society has in recent Solar Energy is a resource for the future. At years been promoting actively the science and a time when the world is facing problems of energy technology of solar energy through its publi supply, increased pollution and mounting costs, the cations and conferences. It goes to the credit promise of this clean source of energy deserves the of the Solar Energy Society of India to have serious attention of scientists, technologists, so taken the initiative to sponsor the present cial scientists, policy makers and planners. The conference. We are happy to have with us Dr. role of solar energy and its niche in the energy Klein who has so ably shouldered the responsi plans and programmes would become more definite as bility as President of the Society in the last more progress is made in the sphere of applications. two years. We are also happy to have with us Historically new sources of energy have appeared on Dr. R. L. Datta, the in-coming President of the the scene at intervals of approximately 50 years in Society. I extend a warm welcome to the out the last two hundred years. Every new energy develop going President, the in-coming President, the ment has supplemented the old rather than displace Vice-Presidents and the Board of Directors of it--coal, gas, oil, hydel and nuclear energy. the Society. Finally, I welcome you all once Prior to industrial revolution, wood, wind and water- again and hope that your stay in this beautiful wheels were the main sources of energy. The discovery city of Delhi will be enjoyable and that your participation in the conference is purposeful and professionally satisfying. -1- INAUGURAL CEREMONIES Introductory Remarks and Greetings from the President of the International Solar Energy Society Dr. William H. Klein Smithsonian Institution Radiation Biology Laboratory Rockville, Md. 20852 Distinguished Guests, Our Good Hosts, and All of of solar energy. You, Our Colleagues: In 1955, following the Conference on the Gathering together in this magnificent Use of Solar Energy, the first congress of the country of India, we must be moved to contemplate Society was held in Phoenix, Arizona: The World the possibilities opening up in our own time. We Solar Energy Symposium. 1,100 participants, in perhaps have believed that no great new frontiers cluding scientists, engineers, educators, and in science and technology remain to be conquered. industrialists were registered, representing 36 Man in space has been achieved. The globe we live nations. The exhibition, called "The Sun at Work", upon has been explored and mapped. Extraordinary displayed 80 solar devices from a number of networks of communication have spanned our world countries and was viewed by more than 29,000 per and linked us closer together. The wonders of sons. Since that time, delegates have assembled technology applied to transportation have brought in many cities. In 1970, we met in Melbourne, us to this place in units of time not dreamed of Australia; 1971 found the Congress in Greenbelt, a few decades ago. We see the miracles of medicine, Maryland, USA; UNESCO hosted the 1973 Congress the marvels of industry, the mountains of new at its headquarters in Paris, France; and in 1975, products that are the hallmarks of modern civiliza 1,000 delegates were gathered at the University of tion. California, in Los Angeles, USA. Now, at this Congress in New Delhi, more than l 000 delegates ft Basic to this civilization and peculiar to represent more than 50 nations. These congresses man on earth is the need that grows in quantum are evidence that there is international partici steps for production of energy. Vast stores of pation and cooperation, that significant advances knowledge have been developed and applied to tap have been and are being accomplished, and that the energy resources that natures' bounty pro interest is strong. vides. Now we know that certain fixed sources, the fossil fuels, are too closely approaching To no less an extent have the publications exhaustion. of the International Solar Energy Society served to forward international development. Unique in For two and a half decades, the Internation its time, the book 'Applied Solar Energy Research: al Solar Energy Society has been the aegis under A Directory of World Activities and Bibliography which have gathered the scientists and technolo of Significant Literature' was published in 1955. gists who believe that it is indeed possible to "Sun at Work", a newsletter, recorded from 1955 pass through technological barriers and apply through 1967 the activity around the world in solar the energy available from self-renewing and energy applications. Within the bindings of plentiful sources to fulfill the growing demands. 'Solar Energy: The Journal of Solar Energy Science Devoted to the premise that these powerful and and Technology' reside the archives of research and seemingly limitless forces that shine upon us development in the field. In this journal, begun from the sun, blow against us in the air, and in 1957, there is international representation of flow around us in the sea and under the earth can authors and the record of more than a generation be concentrated and harnessed to do the work that of the most respected names in solar energy science will make man's lot an ever better one, these and technology. In recent years, the papers pre men and women have been the pioneers in conducting sented at congresses have been reported and pub the research and building up for now and the future lished as Proceedings of the meetings to provide the knowledge necessary to the practicable applica more information more widely around the world. tion and utilization of alternative resources. Yet another venture was added in 1976, the quarter Knowing well that accumulation and storage of in ly magazine 'SunWorld', to encourage the spread formation has in itself no useful value, they of less technical information. created and have carried on the International Solar Energy Society, dedicating it to gathering, Through this most significant quarter- compiling, and disseminating information relating century, there has evolved a usable and practical to solar energy utilization, and, as well, to broad range of solar energy applications. The fostering research and education, and encouraging International Solar Energy Society will continue the expansion and development of the applications to pursue its objectives toward the development of further applications and improvements, working Thus do we express our commitment to the cause of through the congresses, the publications, and all providing to the people of all the world the means the activities of the Society. We shall hope to to fulfill their needs in daily living, in the justify the continuing and growing encouragement production of food, and in the generation of power and support of national governments, international to produce their goods and make their lives and agencies, and other organizations, as well as by the living better. increasing participation in the meetings and by a growing, vigorous, and responsive membership.