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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 ...
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 ...
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, ...
Simulación de fallas en sistemas de potencia usando componentes simétricos y el programa PSPICE
(Polytechnic University of Puerto Rico, 1995-06)
Fault simulation in power systems using symetric components and the computer program PSPICE
This article shows how to use the computer program PSPICE to analyze faults in power systems by the symmetrical components method. ...
Programa de computadora para diseñar mallas puestas a tierra en las subestaciones de potencia
(Polytechnic University of Puerto Rico, 1995-06)
Computer program to design grounding grids for power subtations
As of today, the Puerto Rico Electric Power Authority (PREP A) does not have a modem computer program based on the latest technology to design and analyze ...