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Estudio de transferencia de calor
(Polytechnic University of Puerto Rico, 1992-12)
This paper presents a heat transfer study using the heat transfer device TDl of the Polytechnic University of Puerto Rico. In our research we determine the following heat transfer parameters for a system, t e ea transfer ...
Programa para verificar la calibracion de un rele de proteccion por impedancia
(Polytechnic University of Puerto Rico, 1992-12)
This article describes the preparation of a testing file to verify the calibration of an impedance protection relay using the Mastertest program. With this work we present an alternative to the ones now used for relay ...
Compendio sobre diseño de plantas de tratamiento de aguas negras
(Polytechnic University of Puerto Rico, 1993-06)
This article presents the essential considerations for designing wastewater treatment plants. It also introduces a computer program to design wastewater treatment plants. The author used Basic to develop this program, which ...
Simulación de estaciones de trabajo ergonómicamente diseñadas para inspeccionar lentes de contacto
(Polytechnic University of Puerto Rico, 1994-06)
In this project we describe the ergonomic design of workstations for the inspection of contact lenses. MANNEQUIN, a simulation program, was used for the evaluation and proper design. The main objective of 111s project is ...
Design of an experiment for injection blow molding
(Polytechnic University of Puerto Rico, 1994-12)
This research was requested by the quality control engineer of a company manufacturing plastics products such as bottles and caps. These products are manufactured with polyethylene and polipropylene resin, using two molding ...
Coeficientes de utilización de disyuntores ("breaker duty")
(Polytechnic University of Puerto Rico, 1993-06)
The breaker duty calculation is very important to the electric industry cause it shows which breakers overload under fault conditions. This way e utility determine the the extra capacity to add to those breakers or Aether ...
Diseño y desarrollo de un controlador de temperatura para un horno de pruebas
(Polytechnic University of Puerto Rico, 1994-12)
Design and development of a temperature controller for a test oven
As a part of quality control process, the electronics industry must make different tests to electronic components. One of these tests allows us to determine ...
Desarrollo de un estudio de viabilidad econoniica para la desición de proyectos de ampliación en el servicio de habitaciones del Hotel Cielo Mar
(Polytechnic University of Puerto Rico, 1993-06)
The western area of the island has experienced an increse in the tourism activity during the past two fiscal years. Evidence of this increase has been recorded at the Hotel Cielo Mar-in Aguadilla, as well as other hotels ...
Theory of constraints will really improve your competitiveness
(Polytechnic University of Puerto Rico, 1993-06)
The Theory of Constraints (TOC) is a new management philosophy created by Eliyahu M. Goldratt to help an enterprise reach its goal. To accomplish this objective a company must change the paradigm of costs and follow two ...
Cálculo de los coeficientes de la ecuación de pérdidas para un sistema de generación de potencia
(Polytechnic University of Puerto Rico, 1995-06)
Calculation of the loss equation coefficients (Bmn) for a power generation system
Engineering has been very successful in the analysis of fuel costs, performance and efficiency of boilers, turbines, and generators. However, ...