Efficiency Improvement of a Centrifugal Compressor Stage with the Parametric Optimization of the Impeller Blades.

Abstract

The relevance of the study of the socio-psychological phenomenon of personal security in the era of post-modernism is due to the real problems of today's society, which at the present stage of state development are characterized by acute interrelationships between the requirements of social security as a factor of socio-political and national security and the real state of mental existence. associated with indicators of social well-being of the individual. The aim of the article is to prove that the concept of anxiety is a characteristic of social society in the era of postmodernism, preceding the need for security; to give a generalized concept of security in the era of postmodernism as a set of attributes; to identify indicators of psychological security as a complex polyfunctional phenomenon in the era of postmodernism. The article indicates that the choice of specific aspects of human security and the perspective of their consideration depend on the system in which man is included, such as the system "man - nature", "man - production", "man - technology", as well as social systems “man - man "," man - society "," man - state ". Three factors that determine human safety are specified: the human factor, the environmental factor and the security factor; and physical and psychological means of protection against dangerous situations.