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RISS 인기검색어
- 검색키워드
- 저자 : Armando Duarte M. (검색결과 2 건)
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Armando A. Soares,Nuno D. Couto,M. Duarte Naia,Norberto J. Gonçalves,Abel Rouboa 대한기계학회 2012 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.26 No.5
"Two-dimensional, steady, incompressible Navier-Stokes and energy equations are expressed in the stream function/vorticity formulation and solved numerically by finite difference method to study effects of buoyancy on fluid flow and heat transfer from a horizontal circular cylinder. The cylinder is exposed to approaching flow stream, for parallel (parallel flow) and opposing (contra flow) directions to the buoyant force. Two different thermal boundary conditions were considered at the cylinder surface: constant temperature (CT) and constant heat flux (CHF). The results elucidating the dependence of the flow and heat transfer characteristics on the Richardson number 0≤ Ri ≤2, Prandtl number 0≤ Pr ≤100 and Reynolds number 0 ≤ Re ≤ 40 are presented. Overall, for parallel flow regime, an increase in the Ri led to a raise in both Nusselt number and drag coefficient. However, for contra flow regime, these trends were reversed. For both regimes, the aforementioned behaviors were more pronounced for CT boundary condition than that for the CHF boundary condition."
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COMPORTAMIENTO POLÍTICO : UN APORTE A LA DISCUSIÓN DESDE UNA PERSPECTIVA TEÓRICA Y METODOLÓGICA
Armando Duarte M.,Martha C. Jaramillo C. Institute of Iberoamerican Studies Pusan Universit 2012 International Journal of Latin American Studies Vol.2 No.2
Resumen. Nuestro planteamiento parte de la consideración de que el comportamiento político es “una forma específica de comportamiento social, que está referido a las acciones de los individuos orientadas a incidir en el campo de la política” (Duarte y Jaramillo, 2009, p. 147). Esta conceptualización del comportamiento político como una acción social asume la formulación ya hecha por Max Weber que establece que ésta ocurre cuando los individuos le atribuyen a la misma un significado subjetivo. En consecuencia, el interés del investigador en el objeto de estudio así definido, tiene que ver no solo con lo que hacen los individuos, en este caso en el campo de la política, sino sobre todo con el por qué lo hacen. En estas condiciones, el enfoque positivista-cuantitativo que ha dominado los estudios del comportamiento político desde mediados del siglo pasado y la utilización de las técnicas de investigación cuantitativa resultan claramente insuficientes. Se hace necesario pues recurrir a un paradigma alternativo cuyos principios epistemológicos y la metodología que de él derivan permita aprehender la subjetividad que subyace al comportamiento político para lograr un conocimiento más profundo. Este es el paradigma pospositivista que rescata para la investigación social la tradición interpretativa del historicismo y la filosofía alemanas de los siglos XVIII y XIX y que tiene en Max Weber a uno de sus más destacados exponentes. Abstract. Our approach begins with the consideration that political behavior refers to “a specific form of social behavior, and of those actions made by individuals aimed to influence in a political sphere” (Duarte and Jaramillo, 2009, p.147). This concept of political behavior, as social action, takes into considerations the notions formulated by Max Weber that indicates that this occurs when individuals ascribe a subjective significance to it. Therefore, our defined interest deals with not only what actions individuals take, but also with the reasons for doing it, within a political scheme. Under these circumstances, it is evident that the quantitative positivist approach that has dominated political behavior studies, since the last half of the 20th century, as well as the use of quantitative investigation techniques is clearly insufficient. It becomes necessary then to resort to an alternative paradigm with epistemological principles and the methodology necessary that allows us to grasp the subjectivity that lies behind political behavior in order to obtain an in depth knowledge. This post-positivist paradigm rescues the historicism traditional interpretation of social investigation and German philosophy form the 18th and 19th centuries, highlighted by the theories of Max Weber. Palabras clave: Política, comportamiento social, comportamiento político, paradigma pospositivista, subjetividad. Key words: Politics, social behavior, political behavior, post-positivist paradigm, subjectivity.
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