Harry Zvi Tabor
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Harry Zvi Tabor (March 7, 1917 – December 15, 2015) was an Israeli
physicist A physicist is a scientist who specializes in the field of physics, which encompasses the interactions of matter and energy at all length and time scales in the physical universe. Physicists generally are interested in the root or ultimate cau ...
. He is known as the father of Israeli solar energy.BGU shields its eyes and stares into the solar future
Ehud Zion Waldoks, ''
The Jerusalem Post ''The Jerusalem Post'' is a broadsheet newspaper based in Jerusalem, founded in 1932 during the British Mandate of Palestine by Gershon Agron as ''The Palestine Post''. In 1950, it changed its name to ''The Jerusalem Post''. In 2004, the paper ...
'', November 2, 2008.
Bright ideas
Ehud Zion Waldoks, '' Jerusalem Post'', October 1, 2008.
He is generally credited with having brought Israel's solar energy program to international prominence.Harry Zvi Tabor
Cleveland Cutler,
Encyclopedia of the Earth The ''Encyclopedia of Earth'' (abbreviated ''EoE'') is an electronic reference about the Earth, its natural environments, and Earth in culture, their interaction with society. The ''Encyclopedia'' is described as a free, fully searchable collec ...
, 2007.


Biography

Harry Zvi Tabor was born at London in 1917 to Charles and Rebecca Tabor. As a youth, he was involved in the UK branch of
Habonim Dror Habonim Dror ( he, הַבּוֹנִים דְּרוֹר, "the builders–freedom") is the evolution of two Jewish Labour Zionist youth movements that merged in 1982. Habonim ( he, הַבּוֹנִים, "the builders") was founded in 1929 in the U ...
, and participated in an 80th anniversary reunion in 2009. In 1947 he married Vivenne Landau. He received his
bachelor's degree A bachelor's degree (from Middle Latin ''baccalaureus'') or baccalaureate (from Modern Latin ''baccalaureatus'') is an undergraduate academic degree awarded by colleges and universities upon completion of a course of study lasting three to six ...
in
physics Physics is the natural science that studies matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. "Physical science is that department of knowledge which r ...
from the
University of London The University of London (UoL; abbreviated as Lond or more rarely Londin in post-nominals) is a federal public research university located in London, England, United Kingdom. The university was established by royal charter in 1836 as a degree ...
and
Hebrew University The Hebrew University of Jerusalem (HUJI; he, הַאוּנִיבֶרְסִיטָה הַעִבְרִית בִּירוּשָׁלַיִם) is a public research university based in Jerusalem, Israel. Co-founded by Albert Einstein and Dr. Chaim Weiz ...
. He died in Jerusalem on December 15, 2015 at the age of 98.


Scientific career

In 1949
prime minister A prime minister, premier or chief of cabinet is the head of the cabinet and the leader of the ministers in the executive branch of government, often in a parliamentary or semi-presidential system. Under those systems, a prime minister i ...
David Ben-Gurion David Ben-Gurion ( ; he, דָּוִד בֶּן-גּוּרִיּוֹן ; born David Grün; 16 October 1886 – 1 December 1973) was the primary national founder of the State of Israel and the first prime minister of Israel. Adopting the nam ...
sent a letter to England to offer Tabor a job on the 'physics and engineering desk' of the Research Council of Israel, which he accepted. His first task was to create the National Physical Laboratory of Israel, which had been Tabor's idea as he felt it was essential the new country have the equivalent of the National Physical Laboratory in Britain to create standards amongst the different measurements in use in the country, primarily
British British may refer to: Peoples, culture, and language * British people, nationals or natives of the United Kingdom, British Overseas Territories, and Crown Dependencies. ** Britishness, the British identity and common culture * British English, ...
, Ottoman and
metric Metric or metrical may refer to: * Metric system, an internationally adopted decimal system of measurement * An adjective indicating relation to measurement in general, or a noun describing a specific type of measurement Mathematics In mathem ...
. Once the laboratory was established, he focused on solar energy for research and development. He was instrumental in developing the solar water heater that 95 percent of Israeli households have. In 1992 he was awarded an
honorary degree An honorary degree is an academic degree for which a university (or other degree-awarding institution) has waived all of the usual requirements. It is also known by the Latin phrases ''honoris causa'' ("for the sake of the honour") or ''ad hon ...
from the
Weizmann Institute of Science The Weizmann Institute of Science ( he, מכון ויצמן למדע ''Machon Vaitzman LeMada'') is a public research university in Rehovot, Israel, established in 1934, 14 years before the State of Israel. It differs from other Israeli unive ...
. These simple water heaters operated without pumps, whereby cold water was heated in the panel, which acted as a
thermosiphon Thermosiphon (or thermosyphon) is a method of passive heat exchange, based on natural convection, which circulates a fluid without the necessity of a mechanical pump. Thermosiphoning is used for circulation of liquids and volatile gases in heat ...
. This unit in turn became the standard for solar water heating worldwide, and helped popularize the commercialization of solar thermal technology in the United States in the 1970s, where Tabor lectured and acted as a consultant to solar start-up companies such as Northrup, Inc. which subsequently merged into ARCO Solar, which became BP Solar. Tabor experimented with various coatings to optimize the absorptivity of solar energy, with minimizing the re-radiation, or emissivity of the heat absorbed. This led to his development of a "black chrome" surface for the copper water-bearing plate. Tabor worked with the Standards Institute of Israel, to establish testing procedures and an official performance certificates so that a solar collector could not be bought without SII certification. Tabor and French immigrant Lucien Bronicki developed a small solar power unit, an
Organic Rankine cycle In thermal engineering, the Organic Rankine Cycle (ORC) is a type of thermodynamic cycle. It is a variation of the Rankine cycle named for its use of an organic, high-molecular-mass fluid whose vaporization temperature is lower than that of wate ...
turbine A turbine ( or ) (from the Greek , ''tyrbē'', or Latin ''turbo'', meaning vortex) is a rotary mechanical device that extracts energy from a fluid flow and converts it into useful work. The work produced by a turbine can be used for generating ...
, for developing countries with problematic power grids.Israeli Section of the International Solar Energy Society
, edited by Gershon Grossman, Faculty of
Mechanical Energy In physical sciences, mechanical energy is the sum of potential energy and kinetic energy. The principle of conservation of mechanical energy states that if an isolated system is subject only to conservative forces, then the mechanical energy is ...
, Techion,
Haifa Haifa ( he, חֵיפָה ' ; ar, حَيْفَا ') is the third-largest city in Israel—after Jerusalem and Tel Aviv—with a population of in . The city of Haifa forms part of the Haifa metropolitan area, the third-most populous metropol ...
; Final draft.
It was designed to neutralize the maintenance issues of
reciprocating engine A reciprocating engine, also often known as a piston engine, is typically a heat engine that uses one or more reciprocating pistons to convert high temperature and high pressure into a rotating motion. This article describes the common fea ...
s so it had only one moving part, the
rotor Rotor may refer to: Science and technology Engineering * Rotor (electric), the non-stationary part of an alternator or electric motor, operating with a stationary element so called the stator *Helicopter rotor, the rotary wing(s) of a rotorcraft ...
. A 3 kWe prototype was exhibited at the 1961
United Nations The United Nations (UN) is an intergovernmental organization whose stated purposes are to maintain international peace and security, develop friendly relations among nations, achieve international cooperation, and be a centre for harmoniz ...
Conference on New Sources of Energy in
Rome , established_title = Founded , established_date = 753 BC , founder = King Romulus (legendary) , image_map = Map of comune of Rome (metropolitan city of Capital Rome, region Lazio, Italy).svg , map_caption ...
, but it failed to find commercial success.


Awards and recognition

* 1975 –
Royal Society The Royal Society, formally The Royal Society of London for Improving Natural Knowledge, is a learned society and the United Kingdom's national academy of sciences. The society fulfils a number of roles: promoting science and its benefits, re ...
Energy Award * 1979 – Inducted in Solar Hall of Fame * 1981 – International Solar Energy Society Award * 1981 – Krupp Foundation Energy Award * 1994 – Passive Low Energy Architecture International Award * 1995 – Israeli
Knesset The Knesset ( he, הַכְּנֶסֶת ; "gathering" or "assembly") is the unicameral legislature of Israel. As the supreme state body, the Knesset is sovereign and thus has complete control of the entirety of the Israeli government (with ...
Quality of Life Award * 2014 – Israeli President's Medal of Distinction


See also

*
David Faiman David Faiman (born 1944 in the United Kingdom) is a British and Israeli physicist. Background Faiman was educated at Willesden County Grammar School and the University of London, and received his Ph.D from the University of Illinois in 1969 ...
Original materials are archived at the Weizmann Institute of Science, Rehovot, Israel.


References

{{DEFAULTSORT:Tabor, Harry Zvi Solar power in Israel 1917 births 2015 deaths British emigrants to Israel British Jews Israeli engineers Israeli Jews Israeli physicists Alumni of the University of London Hebrew University of Jerusalem alumni Recipients of the Presidential Medal of Distinction of Israel Jewish physicists