Diseño y construcción de un equipo para medición de parámetros hidráulicos para la Escuela de Ciencias Químicas

Abstract

The present graduation work objective deals with the design and construction of a channel for the measurement of hydraulic parameters which will help to diferentiate the water physical parameters in a didactical way at the ESPOCH Chemical Sciences School. A preliminary questionnaire was used which helped in the identification of the most relevant problems of the students as to the lack of practices to complement the already learned theory with an acceptance of 100% of the need of implementation of more lab equipment. The equipment design was carried out; it was based on equations taken from hydraulic books on open channels, resulting in the dimensions of 2.40 m long, 0.116 m wide, 0.26 m cannel height; the maximum inclination angle is 7º that is 0.24 m and the equipment height is 1.30 m. The equipment was constructed in four parts: the metallic structure which is made up of stainless Steel, the glass support which facilitates the functioning visibility, the electric system and the water system. Lab tests were conducted to verify with the data in the measurement; a 28% error was obtained as the measurement calculi were carried out with the maximum volumen of 66,69 L/min and those of the lab tests were performed with a volumen of 40 L/min which is given by the pump. The equipment was implemented with the students and the teacher, thus carrying out 3 lab practices: hidraulic protruding of grills and of Parshall channel with the use of practice guidelines previously generated. For its validation a new questionaire to the students who conducted the practices was carried out to know if they were satisfied with the equipment functioning and whether it helps to test the real data with the theoretical ones. Obtaining 100% equipment acceptation for the measurement of the hydraulic parameters.