DISTINGUISHING MOTION AND WORK IN MECHANICS AND ENGINEERING THERMODYNAMICS
DOI:
https://doi.org/10.59277/CLC.2024.18Keywords:
Parallelogram of forces, Cyclic oscillation, Thermodynamic motion and work, Mechanical motion and workAbstract
To fully appreciate Bejan’s engineering thermodynamics, it is important to distinguish it from the Clausius, Boltzmann, Gibbs (CBG) mechanical rendering of thermodynamics. Concepts of motion and work occur in both formulations but have different meanings.
The aim here will be to distinguish Bejan’s concepts from CBG’s classical mechanical exposition. The latter reason is classical Newtonian mechanics. Focusing on motion and work also allows us to trace the historical antecedents of Bejan’s thermodynamics, including the contributions of Lazare and Sadi Carnot.
References
(1) Bejan A., Entropy Generation Minimization: The Method of Thermodynamics Optimization of Finite-Size Systems and Finite-Time Processes, Boca Raton, CRC Press, 1995.
(2) D’Alembert J.R., Treatise on Dynamics, in which the laws of equilibrium & of the motion of bodies are reduced to the smallest possible number, & demonstrated in a new way, 2nd Edition, Gabay, Paris, 1743, 1990.
(3) Leibniz G., Preface to the Dynamics, Discourse on Metaphysics, in Leibniz: Philosophical Essays, trans. Ariew R., Garber D., Hackett Publishing Co. (Indianapolis) & Cambridge, 1989.
(4) Leibniz G.W., Leibniz: Philosophical Essays, Ariew and Garber (trans), Hackett Classics, 1989.
(5) Carnot L. (1797), Browell W.R., trans. (1832), Reflexions on the Metaphysical Principles of the Infinitesimal Analysis, Andesite Press.
(6) Carnot L., Geometry of Position, London, UK, Wentworth Press, 1803, 2018.
(7) Carnot S., Reflexions on the Motive Power of Fire, Fox R. (editor and translator), Manchester U Press, Manchester, England, 1986.
(8) Bristol T., Give Space My Love: An Intellectual Odyssey with Dr. Stephen Hawking, Institute for Sci, Eng and Public Policy, Portland Oregon, 2016.
(9) Bristol T., Quantum Theory only makes sense in Lazare Carnot’s participatory engineering thermodynamics, a development of Leibniz’s dynamics, Phil. Trans. R. Soc. A, https://doi.org/10.1098/rsta.2022.0287.
