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James Thomson (engineer)

James Thomson (16 February 1822 – 8 May 1892) was an engineer and physicist whose reputation is substantial though it is overshadowed by that of his younger brother William Thomson (Lord Kelvin).

Contents

  • Biography 1
  • Legacy 2
  • Bibliography 3
  • References 4
  • External links 5

Biography

Born in Belfast, much of his youth was spent in Glasgow. His father James was professor of mathematics at the University of Glasgow from 1832 onward and his younger brother was to become William Thomson, 1st Baron Kelvin. James attended Glasgow University from a young age and graduated (1839) with high honors in his late teens. After graduation he served brief apprenticeships with practical engineers in several domains; and then gave a considerable amount of his time to theoretical and mathematical engineering studies, often in collaboration with his brother, during his twenties in Glasgow. In his late twenties he entered into private practice as a professional engineer with special expertise in water transport. In his early thirties, in 1855, he was appointed professor of civil engineering at Queen's University Belfast. He remained there until 1873, when he accepted the professorship of Civil Engineering and Mechanics at the University of Glasgow (in which post he was successor to the influential William Rankine) until he resigned with failing eyesight in 1889.

He was elected a Fellow of the Royal Society in June 1877. [1]

He served as President of the Institution of Engineers and Shipbuilders in Scotland from 1884 to 1886. He died in Glasgow in 1892.

Legacy

James Thomson is known for his work on the improvement of water wheels, water pumps and turbines. Also his innovations in the analysis of regelation, i.e., the effect of pressure on the freezing point of water, and his studies in glaciology including glacier motion, where he extended the work of James David Forbes. He studied the experimental work of his colleague Thomas Andrews, concerning the continuity of the liquid and gaseous states of matter, and strengthened understanding of it by applying his strong knowledge of thermodynamics. He derived a simplified form of the Clapeyron equation for the solid-liquid phase boundary. He also had contributions in the realm of fluid dynamics of rivers. It is claimed that the term torque was introduced into English scientific literature by Thomson, in 1884.[2]

Bibliography

James Thomson's main published research reports in physics and engineering were republished as a 500-page collection after his death. The collection is freely available online (see below) and is prefaced by a lengthy (80 page) biography plus a more concise (10 page) biography. It is stated in this book that Thomson is the first to use the words radian, interface and apocentric in English, though he used a number of other neologisms that didn't survive.

References

  1. ^ "Library and Archive Catalogue". Royal Society. Retrieved 25 October 2010. 
  2. ^ Thomson, James; Larmor, Joseph (1912). Collected Papers in Physics and Engineering. University Press. p. civ. , at Google books

External links

  •  "Thomson, James (1822-1892)".  
  • Thomson, James (1912). Joseph Larmor & James Thomson, ed. Collected Papers in Physics and Engineering by James Thomson. Cambridge University Press. 
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