scholarly journals Innovative Potential of Gas Detonation

2020 ◽  
Vol 16 (6) ◽  
pp. 105-112
Author(s):  
Yu.A. Kharlamov ◽  
◽  
L.G. Polonsky ◽  
N.O. Balytska ◽  
S.A. Klymenko ◽  
...  

Introduction. Explosive technologies are widely used in the extraction industries, in mechanical engineering for welding, hardening, etc. However, the use of solid explosives is limited, above all, by safety requirements. Therefore, the use of a safer and more convenient source of energy, gas detonation, is attracting much attention. Pressures, temperatures, and velocities in detonation waves or shock waves in gases close to them in terms of intensity, as well as the pulse nature of the influence of these factors determine a high potential of their technical and technological use. Problem Statement. In many technical systems, deflagration modes of burning prevail. However, a more thermodynamically advantageous method of combustion and conversion of chemical energy of fuel into useful work is the detonation mode of combustion. This ensures the feasibility of development, research and wider implementation of various technologies and devices using controlled gas detonation. Purpose. Systematization and analysis of the main trends in the development and design of detonation gas technologies and devices in Ukraine and throughout the world. Materials and Methods. Systematization and analysis of scholarly research publications and patents on the practical application of gas detonation in various sectors of the economy. Results. The tendencies of practical use of gas detonation in different branches of industry have been revealed and analyzed. Priority developments in the technological application of the method in mechanical engineering have been performed in Ukraine. However, in many technical areas Ukraine has fallen behind the world leaders in terms of the creation of detonation gas technologies and devices. Conclusions. For the practical use of the potential of gas detonation, it is necessary to develop fundamentally new devices that ensure reliable, safe, and controlable generation and propagation of detonation waves in gases and sprayed fuels. Gas detonation is promising for the creation of more advanced technologies and equipment.

2020 ◽  
Vol 16 (6) ◽  
pp. 104-110
Author(s):  
Yu.A. Kharlamov ◽  
◽  
L.G. Polonsky ◽  
N.O. Balytska ◽  
S.A. Klymenko ◽  
...  

Introduction. Explosive technologies are widely used in the extraction industries, in mechanical engineering for welding, hardening, etc. However, the use of solid explosives is limited, above all, by safety requirements. Therefore, the use of a safer and more convenient source of energy, gas detonation, is attracting much attention. Pressures, temperatures, and velocities in detonation waves or shock waves in gases close to them in terms of intensity, as well as the pulse nature of the influence of these factors determine a high potential of their technical and technological use. Problem Statement. In many technical systems, deflagration modes of burning prevail. However, a more thermodynamically advantageous method of combustion and conversion of chemical energy of fuel into useful work is the detonation mode of combustion. This ensures the feasibility of development, research and wider implementation of various technologies and devices using controlled gas detonation. Purpose. Systematization and analysis of the main trends in the development and design of detonation gas technologies and devices in Ukraine and throughout the world. Materials and Methods. Systematization and analysis of scholarly research publications and patents on the practical application of gas detonation in various sectors of the economy. Results. The tendencies of practical use of gas detonation in different branches of industry have been revealed and analyzed. Priority developments in the technological application of the method in mechanical engineering have been performed in Ukraine. However, in many technical areas Ukraine has fallen behind the world leaders in terms of the creation of detonation gas technologies and devices. Conclusions. For the practical use of the potential of gas detonation, it is necessary to develop fundamentally new devices that ensure reliable, safe, and controlable generation and propagation of detonation waves in gases and sprayed fuels. Gas detonation is promising for the creation of more advanced technologies and equipment.


2020 ◽  
Vol 2020 (2) ◽  
pp. 27-30
Author(s):  
Aleksandr Sidorchuk

The article describes the history of the creation of vaccines against the foot-and-mouth disease since the first attempts to control the disease to modern time, as well as the successes achieved in the prevention and eradication of foot-and-mouth disease in the 20th century in various countries of the world using various control programs, including vaccination. The stages of research and practical application of vaccines against the foot-and-mouth disease are consistently indicated, how and by whom the technologies for the manufacture of vaccines against this disease were developed, the experience of their application has led to the fact that now many countries of the world are free from the foot-and-mouth disease. This information remains useful for the Russian reader in connection with the registration of the foot-and-mouth disease in our countr


Author(s):  
Gennady V. Kanygin ◽  
Maria S. Poltinnikova

The article opens a cycle of publications, which analyze the similarities and differences between the two wide spread modern approaches to the description of society - sociological and informational ones. Both approaches have the same methodological problem to be solved. The problem of expressing hidden knowledge about society that participants in social processes operate with the help of natural language in the course of social communication. In order to harmonize sociological and informational approaches of describing society, it was proposed any natural language statements involved in describing society to be arranged according to the basic principle of information technology - modularity. The proposed way of harmonizing informational and sociological methods of building knowledge about society is invoked by the need to solve two scientific problems formulated in sociology itself - the constructability of social objects and the complexity of social relationships. The paper's methodological proposals are embodied in their computer realization, which practical application is demonstrated in other publications of the authors.


Author(s):  
Roberto D. Hernández

This article addresses the meaning and significance of the “world revolution of 1968,” as well as the historiography of 1968. I critically interrogate how the production of a narrative about 1968 and the creation of ethnic studies, despite its world-historic significance, has tended to perpetuate a limiting, essentialized and static notion of “the student” as the primary actor and an inherent agent of change. Although students did play an enormous role in the events leading up to, through, and after 1968 in various parts of the world—and I in no way wish to diminish this fact—this article nonetheless argues that the now hegemonic narrative of a student-led revolt has also had a number of negative consequences, two of which will be the focus here. One problem is that the generation-driven models that situate 1968 as a revolt of the young students versus a presumably older generation, embodied by both their parents and the dominant institutions of the time, are in effect a sociosymbolic reproduction of modernity/coloniality’s logic or driving impulse and obsession with newness. Hence an a priori valuation is assigned to the new, embodied in this case by the student, at the expense of the presumably outmoded old. Secondly, this apparent essentializing of “the student” has entrapped ethnic studies scholars, and many of the period’s activists (some of whom had been students themselves), into said logic, thereby risking the foreclosure of a politics beyond (re)enchantment or even obsession with newness yet again.


2020 ◽  
Vol 1 (3) ◽  
pp. 206-210
Author(s):  
Ra`no Ergashova ◽  
◽  
Nilufar Yuldosheva

The creation, regulation, lexical and grammatical research and interpretation of the system of terms in the field of aviation in the world linguistics terminology system are one of the specific directions of terminology. Research on specific features is an important factor in ensuring the development of the industry. This article discusses morphological structure of aviation terms. The purpose of the article is to analyze the role of aviation terms in the morphology of the Uzbek language and its definition.


2020 ◽  
Vol 3 (1) ◽  
pp. 156-160
Author(s):  
Khurshida Salimovna Safarova ◽  
Shakhnoza Islomovna Vosiyeva

Every great fiction book is a book that portrays the uniqueness of the universe and man, the difficulty of breaking that bond, or the weakening of its bond and the increase in human. The creation of such a book is beyond the reach of all creators, and not all works can illuminate the cultural, spiritual and moral status of any nation in the world by unraveling the underlying foundations of humanity. With the birth of Hoja Ahmad Yassawi's “Devoni Hikmat”, the Turkic nations were recognized as a nation with its own book of teaching, literally, the encyclopedia of enlightenment, truth and spirituality.


Author(s):  
Armando Martínez Ríos

ABSTRACTMexico lacks a scientific culture. Investigations and reports show that only has a record of 38 thousand scientific and 0.5% global of registered patents in the world. Communications and electronics engineering (ICE) is one of the three formations in the school of mechanical engineering and electrical (ESIME) unit Zacatenco from the Instituto Politécnico Nacional (IPN) Mexico. Among the objectives of this mentioned formation on its web site, is the form professionals with scientific and technological foundations; However, the curriculum includes only two subjects with these characteristics. Less than 1% of the graduates also choose to devote himself to scientific work. This paper shows the results obtained by means of a survey on the perception that students have about scientists in order to propose actions that foster a greater interest in them by the science and technology into their professional formation.RESUMENMéxico carece de una cultura científica ya que algunas encuestas muestran que solo se tiene un registro de 38 mil científicos y el 0.5% del total mundial de patentes registradas. Ingeniería en Comunicaciones y Electrónica (ICE) es una de las tres carreras de la Escuela Superior de Ingeniería Mecánica y Eléctrica (ESIME) unidad Zacatenco del Instituto Politécnico Nacional (IPN) México. Entre los objetivos de esta carrera mencionado en su sitio web, es el de formar profesionistas con fundamentos científicos y tecnológicos; sin embargo, el currículo, contempla solo dos asignaturas con estas características. Asimismo, menos del 1% de los egresados elige dedicarse a una labor científica. Este trabajo muestra los resultados obtenidos por medio de una encuesta sobre la percepción que los estudiantes tienen sobre los científicos con el fin de proponer acciones que fomenten un mayor interés en ellos por la ciencia y la tecnología dentro de su formación.


GEOgraphia ◽  
2010 ◽  
Vol 10 (19) ◽  
pp. 103
Author(s):  
Alexandre Domingues Ribas ◽  
Antonio Carlos Vitte

Resumo: Há um relativo depauperamento no tocante ao nosso conhecimento a respeito da relação entre a filosofia kantiana e a constituição da geografia moderna e, conseqüentemente, científica. Esta relação, quando abordada, o é - vezes sem conta - de modo oblíquo ou tangencial, isto é, ela resta quase que exclusivamente confinada ao ato de noticiar que Kant ofereceu, por aproximadamente quatro décadas, cursos de Geografia Física em Königsberg, ou que ele foi o primeiro filósofo a inserir esta disciplina na Universidade, antes mesmo da criação da cátedra de Geografia em Berlim, em 1820, por Karl Ritter. Não ultrapassar a pueril divulgação deste ato em si mesma só nos faz jogar uma cortina sobre a ausência de um discernimento maior acerca do tributo de Kant àfundamentação epistêmica da geografia moderna e científica. Abrir umafrincha nesta cortina denota, necessariamente, elucidar o papel e o lugardo “Curso de Geografia Física” no corpus da filosofia transcendental kantiana. Assim sendo, partimos da conjectura de que a “Geografia Física” continuamente se mostrou, a Kant, como um conhecimento portador de um desmedido sentido filosófico, já que ela lhe denotava a própria possibilidade de empiricização de sua filosofia. Logo, a Geografia Física seria, para Kant, o embasamento empírico de suas reflexões filosóficas, pois ela lhe comunicava a empiricidade da invenção do mundo; ela lhe outorgava a construção metafísica da “superfície da Terra”. Destarte, da mesma maneira que a Geografia, em sua superfície geral, conferiu uma espécie de atributo científico à validação do empírico da Modernidade (desde os idos do século XVI), a Geografia Física apresentou-se como o sustentáculo empírico da reflexão filosófica kantiana acerca da “metafísica da natureza” e da “metafísica do mundo”.THE COURSE OF PHYSICAL GEOGRAPHY OF IMMANUEL KANT(1724-1804): CONTRIBUTION FOR THE GEOGRAPHICALSCIENCE HISTORY AND EPISTEMOLOGYAbstract: There is a relative weakness about our knowledge concerningKant philosophy and the constitution of modern geography and,consequently, scientific geography. That relation, whenever studied,happens – several times – in an oblique or tangential way, what means thatit lies almost exclusively confined in the act of notifying that Kant offered,for approximately four decades, “Physical Geography” courses inKonigsberg, or that he was the first philosopher teaching the subject at anyCollege, even before the creation of Geography chair in Berlin, in 1820, byKarl Ritter. Not overcoming the early spread of that act itself only made usthrow a curtain over the absence of a major understanding about Kant’stribute to epistemic justification of modern and scientific geography. Toopen a breach in this curtain indicates, necessarily, to lighten the role andplace of Physical Geography Course inside Kantian transcendentalphilosophy. So, we began from the conjecture that Physical Geography hasalways shown, by Kant, as a knowledge carrier of an unmeasuredphilosophic sense, once it showed the possibility of empiricization of hisphilosophy. Therefore, a Physical Geography would be, for Kant, theempirics basis of his philosophic thoughts, because it communicates theempiria of the world invention; it has made him to build metaphysically the“Earth’s surface”. In the same way, Geography, in its general surface, hasgiven a particular tribute to the empiric validation of Modernity (since the16th century), Physical Geography introduced itself as an empiric basis toKantian philosophical reflection about “nature’s metaphysics” and the“world metaphysics” as well.Keywords: History and Epistemology of Geography, Physical Geography,Cosmology, Kantian Transcendental Philosophy, Nature.


Author(s):  
Sabyasachi Bhattacharya

The archives are generally sites where historians conduct research into our past. Seldom are they objects of research. Sabyasachi Bhattacharya traces the path that led to the creation of a central archive in India, from the setting up of the Imperial Record Department, the precursor of the National Archives of India, and the Indian Historical Records Commission, to the framing of archival policies and the change in those policies over the years. In the last two decades of colonial rule in India, there were anticipations of freedom in many areas of the public sphere. These were felt in the domain of archiving as well, chiefly in the form of reversal of earlier policies. From this perspective, Bhattacharya explores the relation between knowledge and power and discusses how the World Wars and the decline of Britain, among other factors, effected a transition from a Eurocentric and disparaging approach to India towards a more liberal and less ethnocentric one.


Author(s):  
Joseph Pate ◽  
Brian Kumm

Through this chapter the crafting of compilations is explored as an act, art, and expression of music making, illuminating the listeners’ and compilers’ positions as cocreators of meaning, function, and purpose. Music becomes repositioned and repurposed as found or sound objects that pass through Gaston Bachelard’s triptych of resonance, repercussion, and reverberations, a process of music speaking to so as to speak for individuals’ deeply personal and significantly meaningful experiences. The chapter addresses the question, “What motivates someone to partake in this personally meaningful, vulnerable, and artistic endeavor?” Using Josef Pieper’s conceptions of leisure as celebration, an orientation toward the wonderful, and an act of affirmation, the chapter concludes that the creation and crafting of compilations (e.g., mix tape) affords poetic spaces for connection, enchantment, felt-aliveness, or what Max van Manen called an “incantative, evocative speaking, a primal telling, [whose] aim [is] to involve the voice in an original singing of the world.”


Sign in / Sign up

Export Citation Format

Share Document