Publication: Diseño y cálculo de condensadores evaporativos
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2014-02
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2014-03-12
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Abstract
En el presente trabajo se lleva a cabo un diseño y análisis general de condensadores evaporativos, utilizando la aplicación informática de programación Matlab.
Para llevar a cabo este diseño se ha desarrollado un método de cálculo basado en los balances de masa y energía en el interior de dicho condensador, obteniendo la evolución de las variables que gobiernan el comportamiento del mismo.
Mediante los datos de entrada del condensador, tales como las condiciones ambientales externas, la potencia que debe evacuar el condensador, junto con el tipo de refrigerante y sus condiciones de condensación y la configuración geométrica del mismo, se va a obtener como resultado la evolución de estos datos en el interior del condensador, así como los datos de salida del mismo.
Para desarrollar este método de cálculo se hace imprescindible el uso de aplicaciones informáticas, ya que es necesario resolver varias ecuaciones diferenciales mediante méto-dos iterativos. En este caso se ha optado por utilizar el lenguaje de programación Matlab, mediante la herramienta de interfaz gráfica GUI. Se han implementado los cálculos en este lenguaje de programación, así como las distintas alternativas de diseño que se van a exponer durante el trabajo.
Además, se van a comparar los resultados obtenidos en el condensador evaporativo con los resultados en otro tipo de condensadores que existen en el mercado, para las mis-mas condiciones de operación.
Finalmente, se comentarán las conclusiones extraídas por el autor durante la realización del presente trabajo, haciendo especial hincapié en el desarrollo de la aplicación con Matlab.
At this paper a general design and analysis of evaporative condensers is made, using the computer application Matlab. To carry out this design, a calculation method based on mass and energy balances in the condenser has been developed, obtaining the evolution of variables that govern the behavior of the condenser. Through condenser input data, such as air conditions, the removed heat by the condenser, its geometric and the type of refrigerant and its condensation conditions; the evolution and output of these data have been obtained as a result. To develop this method, the use of computer applications is essential, because it is necessary to solve several differential equations, using iterative methods. In this case, the Matlab programming language has been chosen, by using of GUI tool. Required calculations for this method have been implemented in this programming language, as well as the design alternatives presented at this paper. In addition, results obtained for the same operating conditions for the evaporative condenser and the other types of condensers present in the industry, have been compared and analyzed. Finally, conclusions obtained by the author during the course of this project, with par-ticular emphasis on the development of implementation with Matlab, have been commented.
At this paper a general design and analysis of evaporative condensers is made, using the computer application Matlab. To carry out this design, a calculation method based on mass and energy balances in the condenser has been developed, obtaining the evolution of variables that govern the behavior of the condenser. Through condenser input data, such as air conditions, the removed heat by the condenser, its geometric and the type of refrigerant and its condensation conditions; the evolution and output of these data have been obtained as a result. To develop this method, the use of computer applications is essential, because it is necessary to solve several differential equations, using iterative methods. In this case, the Matlab programming language has been chosen, by using of GUI tool. Required calculations for this method have been implemented in this programming language, as well as the design alternatives presented at this paper. In addition, results obtained for the same operating conditions for the evaporative condenser and the other types of condensers present in the industry, have been compared and analyzed. Finally, conclusions obtained by the author during the course of this project, with par-ticular emphasis on the development of implementation with Matlab, have been commented.
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Keywords
Condensadores evaporativos, Matlab, Métodos de cálculo