Reynolds Number and Spacetime Curvature
ESI group scientific committee 100 Avenue de Suffren, Paris, France
- Corresponding Author:
- Delplace F
ESI group scientific committee 100 Avenue de Suffren
75015 Paris, France
Received Date: May 30, 2016; Accepted Date: June 10, 2016; Published Date: June 18, 2016
Citation: Delplace F (2016) Reynolds Number and Spacetime Curvature. Fluid Mech Open Acc 3:125. doi:10.4172/fmoa.1000125
Copyright: © 2016 Delplace F. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
The reference length or scale length used in Reynolds number definition is of considerable importance. A quick review of Reynolds number definitions used in batch and continuous flow systems showed that this reference scale can be theoretical or conventional. Using curvature quantity coming from general relativity theory, we showed that Reynolds number could be seen as the ratio of two curvatures. This result could give interesting information for the design of high performances exchangers. Moreover, the use of curvature allowed establishing a relationship between momentum diffusivity and velocity gradient tensor. Applied to general relativity equation, we showed a strong link between gravity theory and hydrodynamics.