This article was accepted into the corpus but its outbound wikilinks were never NER-processed — typical at the deepest BFS hop or when the run's entity cap was reached. No expansion funnel to show.
| Energy exchanges | |
|---|---|
| Name | Energy exchanges |
| Field | Physics |
| Related | Thermodynamics; Electromagnetism; Quantum mechanics |
Energy exchanges Energy exchanges describe the transfer of energy between systems and surroundings, encompassing processes in Isaac Newton's mechanics, James Prescott Joule's experiments, and Rudolf Clausius's thermodynamics. They underpin phenomena studied by institutions such as the Max Planck Society, Lawrence Berkeley National Laboratory, and industrial entities like Siemens AG and General Electric. Energy exchange concepts connect historical developments from the Industrial Revolution to modern research at places like the CERN and the Massachusetts Institute of Technology.
Energy exchange refers to the movement or conversion of energy across boundaries, formalized in principles developed by Émilie du Châtelet, Sadi Carnot, and Lord Kelvin. Core conceptual entities include conserved quantities articulated by Noether's theorem, state functions used by J. Willard Gibbs, and potentials introduced by William Rowan Hamilton. Related constructs appear in work by Ludwig Boltzmann, Maxwell (James Clerk Maxwell), and Erwin Schrödinger when bridging macroscopic transfers and microscopic dynamics.
Mechanical exchanges are exemplified in systems analyzed by Isaac Newton and Leonhard Euler, such as levers, turbines, and Wright brothers' aircraft. Thermal exchanges follow the Carnot cycle developed by Sadi Carnot and later formalized by Rudolf Clausius and Josiah Willard Gibbs in heat engines and refrigeration studied at institutions like Bell Labs. Electromagnetic exchanges arise from Maxwell’s equations and examples from Michael Faraday to Heinrich Hertz, including radiative transfer in NASA missions and wireless power concepts considered by Nikola Tesla. Chemical exchanges are governed by reaction enthalpies measured in work by Antoine Lavoisier and Svante Arrhenius, with applications in fuel cells developed by companies like Ballard Power Systems.
Mechanisms include conduction described in solids by John Tyndall, convection observed in the studies of Vilhelm Bjerknes, and radiation explored by Max Planck and Albert Einstein. Phase changes and latent heat concepts relate to research by Anders Celsius and engineers at Siemens AG on steam turbines. Catalysis, redox processes, and electrochemical exchange draw on the work of Fritz Haber, Walther Nernst, and Humphry Davy in chemical engineering and battery development at Tesla, Inc..
Quantification uses work-energy relations in Isaac Newtonian mechanics, kinetic theory from James Clerk Maxwell and Ludwig Boltzmann, and first law formalized by Rudolf Clausius and Josiah Willard Gibbs. Heat transfer equations leverage Fourier’s law from Joseph Fourier, Newton’s law of cooling linked to Isaac Newton, and Stefan–Boltzmann law by Josef Stefan and Ludwig Boltzmann for radiative exchange. Thermochemical tabulations trace to Hess's law and calorimetry developed by Antoine Lavoisier and modern calorimeters used in Los Alamos National Laboratory research.
Engineering applications include heat exchangers in General Electric turbines, refrigeration cycles in Carrier (company) systems, and power grids operated by companies like Électricité de France. Biological energy exchanges involve metabolism studied by Otto Warburg and Hans Krebs (Krebs cycle), bioenergetics in National Institutes of Health research, and photosynthetic energy capture elucidated by Melvin Calvin and Robert Hill. Climate examples invoke radiative forcing assessed by the Intergovernmental Panel on Climate Change, ocean-atmosphere heat flux examined in studies by James Hansen, and cryosphere exchanges monitored by NOAA and European Space Agency satellites.
Measurement employs calorimeters pioneered by Antoine Lavoisier and refined in Niels Bohr-era laboratories, calorimetric methods at Argonne National Laboratory, and bolometers developed following Samuel Pierpont Langley and S. P. Langley’s instrumentation. Heat flux sensors, thermocouples traced to Thomas Johann Seebeck, and infrared radiometers used by Landsat missions are common. Mechanical work measurement uses dynamometers refined by Eli Whitney-era manufacturing and modern torque sensors from Bosch.
Frameworks include classical thermodynamics by Sadi Carnot and Rudolf Clausius, statistical mechanics by Ludwig Boltzmann and J. Willard Gibbs, quantum treatments by Erwin Schrödinger and Paul Dirac, and field theories by James Clerk Maxwell and Albert Einstein. Computational models apply finite element methods developed by Richard Courant and molecular dynamics inspired by Alder and Wainwright for nonequilibrium exchange, while climate models are produced by centers such as Hadley Centre and NASA Goddard Institute for Space Studies.