Dependence of supercavity closure upon flow unsteadiness

Large-Scale Unsteadiness in Compressible, Turbulent Flow

Large-scale unsteadiness lies at the heart of many of the design challenges associated with flight at high Mach numbers. Phenomena such as sound generation, fatigue loading, mixing, and separation are driven by turbulent motion on scales larger than the boundary layer thickness and longer than the boundary layer time scale /Ue,. This talk will focus on large-scale unsteadiness in attached a...

An inquiry on the dependence of ethics upon religion

and imperfection fails to be considered as a basis for ethics. Otherwise, human happiness would not occur. In this way, the important part of religion in the field is clear. The sacredness of ethics, the signification and guarantee of ethical orders and presenting ethical examples can be counted as different dimensions for this relationship. Ethical system originated from interaction of religio...

Predicting the onset of flow unsteadiness based on global instability

Global-stability theory is used to predict the onset of flow unsteadiness based on steady solutions of the Reynolds Averaged Navier–Stokes equations. The stability problem is formulated for compressible flow at moderately-high Reynolds numbers, using a turbulence model to provide closure for the averaged Reynolds stresses. The approach provides an efficient method for predicting the occurrence ...

Simulation of Flow Unsteadiness in Chemical Oxygen-iodine Laser Devices

Quantum supercavity with atomic mirrors

Advanced Science Institute, The Institute of Physical and Chemical Research (RIKEN), Wako-shi 351-0198, Japan Department of Physics, Hunan Normal University, Changsha 410081, China Institute of Theoretical Physics, The Chinese Academy of Sciences, Beijing, 100080, China CREST, Japan Science and Technology Agency, Kawaguchi, Saitama 332-0012, Japan Center for Theoretical Physics, Physics Departm...