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- جوزيف هنري كينان (بالإنجليزية: Joseph Henry Keenan) هو مهندس أمريكي، ولد في 24 أغسطس 1900 في ويلكس بار في الولايات المتحدة، وتوفي في 17 يوليو 1977 في بيلمونت في الولايات المتحدة. (ar)
- Joseph Henry Keenan (24 août 1900 – 17 juillet 1977) est un physicien américain connu pour ses travaux en thermophysique et ses travaux d'ingénierie sur la propulsion supersonique et les turbines à gaz. (fr)
- Joseph Henry Keenan (August 24, 1900 – July 17, 1977) was an American thermodynamicist and mechanical engineer noted for his work in the calculation of steam tables, research in jet-rocket propulsion, and his work in furthering the development in the understanding of the laws of thermodynamics in the mid 20th century. His classic 1941 textbook Thermodynamics served as a fundamental teaching tool in various engineering curricula during the 1940s and 1950s. He earned a bachelor's degree in naval architecture and marine engineering at the Massachusetts Institute of Technology in 1922. After working as a design engineer on steam turbines for General Electric Company, Keenan became an assistant professor of mechanical engineering at the Stevens Institute of Technology in 1928. In 1934, he became an associate professor of mechanical engineering at the Massachusetts Institute of Technology. He was promoted to professor in 1939. He served as Head of the Department of Mechanical Engineering from 1958 to 1961. A major portion of Keenan’s career was devoted to the development of accurate tables of the properties of steam, which are vital to the electric power industry. In 1929, he was appointed the U.S. delegate to the First International Conference on the Properties of Steam; he served as delegate in all successive conferences on this subject through the eighth in 1974. In 1965, he published the classic textbook Principles of General Thermodynamics with George Hatsopoulos which was major turning point in thermodynamics since Gilbert N. Lewis and Merle Randall with their 1923 Thermodynamics textbook. Their now famous version of the second law of thermodynamics is: When an isolated system performs a process after the removal of a series of internal constraints, it will reach a unique state of equilibrium: this state of equilibrium is independent of the order in which the constraints are removed. This shows that the second law of thermodynamics can be stated in terms of the existence of stable equilibrium states. He was a fellow of the American Academy of Arts and Sciences and the American Society of Mechanical Engineers. He was award the ASME Worcester Reed Warner Medal in 1955 for work on thermodynamics and the properties of steam. He was elected to the National Academy of Engineering in 1976. In 2007, an International Thermodynamics Symposium called “meeting the entropy challenge” was organized in M.I.T. in Honor and Memory of Professor Joseph Henry Keenan. (en)
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- 5795 (xsd:nonNegativeInteger)
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- This collection is open. (en)
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- Thermodynamics and steam tables (en)
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- Massachusetts Institute of Technology, Department of Distinctive Collections, Cambridge, Massachusetts. (en)
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- Joseph H. Keenan papers (en)
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- جوزيف هنري كينان (بالإنجليزية: Joseph Henry Keenan) هو مهندس أمريكي، ولد في 24 أغسطس 1900 في ويلكس بار في الولايات المتحدة، وتوفي في 17 يوليو 1977 في بيلمونت في الولايات المتحدة. (ar)
- Joseph Henry Keenan (24 août 1900 – 17 juillet 1977) est un physicien américain connu pour ses travaux en thermophysique et ses travaux d'ingénierie sur la propulsion supersonique et les turbines à gaz. (fr)
- Joseph Henry Keenan (August 24, 1900 – July 17, 1977) was an American thermodynamicist and mechanical engineer noted for his work in the calculation of steam tables, research in jet-rocket propulsion, and his work in furthering the development in the understanding of the laws of thermodynamics in the mid 20th century. His classic 1941 textbook Thermodynamics served as a fundamental teaching tool in various engineering curricula during the 1940s and 1950s. This shows that the second law of thermodynamics can be stated in terms of the existence of stable equilibrium states. (en)
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- جوزيف هنري كينان (ar)
- Joseph Henry Keenan (fr)
- Joseph Henry Keenan (en)
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