Listar Polytechnic University of Puerto Rico por fecha de publicación

Mostrando ítems 61-80 de 2090

    • Design of an experiment for injection blow molding 

      Moreno Abadía, Elver; Rivera Ruibal, Pilar (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 ...

    • Identifying damage in reciprocating air compressors 

      González, Cándido; Monroig, Julio H. (Polytechnic University of Puerto Rico, 1994-12)
      We used a parametric analysis for a reciprocating air compressor to determine its working conditions. We also connected measuring devises which allowed us to determine the real performance of our compressor. From this point ...

    • El Politécnico (Año 1, Número 2, Febrero 1995)  

      Universidad Politécnica de Puerto Rico. Oficina de Mercadeo y Comunicaciones. (Polytechnic University of Puerto Rico, 1995-02)
      Periódico El Politécnico (Año 1, Número 2, Febrero 1995) órgano oficial de la Universidad Politécnica de Puerto Rico, se publica con una periodicidad trimestral.

    • El Politécnico (Año 1, Número 3, Mayo 1995)  

      Universidad Politécnica de Puerto Rico. Oficina de Mercadeo y Comunicaciones. (Polytechnic University of Puerto Rico, 1995-05)
      Periódico El Politécnico (Año 1, Número 3, Mayo 1995) órgano oficial de la Universidad Politécnica de Puerto Rico, se publica con una periodicidad trimestral.

    • Simulación de fallas en sistemas de potencia usando componentes simétricos y el programa PSPICE 

      García Correa, Horacio A.; Rivera Velázquez, Vicente (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 para construir la matriz representativa de un sistema de potencia eléctrica 

      Santiago Quiles, Víctor E.; Velázquez Vázquez, Luis (Polytechnic University of Puerto Rico, 1995-06)
      Computer program to build and modify an electrical power system matrix A power systems engineer has to build and modify the electrical power system matrix every time elements of the system are added, deleted or modified. ...

    • The development of my capstone design project 

      Benero García, Héctor Rafael (Polytechnic University of Puerto Rico, 1995-06)
      This article is the result of my Capstone Design Project, which I started during the summer of 1994. The main purpose of this course is to expose us to the ever changing and challenging world of the engineering design work. ...

    • Cálculo de los coeficientes de la ecuación de pérdidas para un sistema de generación de potencia 

      Ruiz, Fernando; Santos, José A. (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, ...

    • Programa de computadora para diseñar mallas puestas a tierra en las subestaciones de potencia 

      Ramírez Zeno, Pedro I.; Sierra, José L. (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 ...

    • El Politécnico (Año 1, Número 4, Agosto 1995)  

      Universidad Politécnica de Puerto Rico. Oficina de Mercadeo y Comunicaciones. (Polytechnic University of Puerto Rico, 1995-08)
      Periódico El Politécnico (Año 1, Número 4, Agosto 1995) órgano oficial de la Universidad Politécnica de Puerto Rico, se publica con una periodicidad trimestral.

    • El Politécnico (Año 1, Número 5, Noviembre 1995)  

      Universidad Politécnica de Puerto Rico. Oficina de Mercadeo y Comunicaciones. (Polytechnic University of Puerto Rico, 1995-11)
      Periódico El Politécnico (Año 1, Número 5, Noviembre 1995) órgano oficial de la Universidad Politécnica de Puerto Rico, se publica con una periodicidad trimestral.

    • Electrical distribution system for the Cantera Península Community (Santa Elena and Condadito Final sectors) 

      Bernard, Félix; León, Carlos; Lizardi, Franz; Ortiz, José A.; Santiago, José O. (Polytechnic University of Puerto Rico, 1995-12)
      The primary objective of this project is improving the quality of life of the Peninsula de Cantera residents. Our collaboration in this improvement deals with infrastructure, specifically with the electric power service. ...

    • Diseño de un motor sincrónico y su sistema de protección 

      Del Río Mora, Ángel (Polytechnic University of Puerto Rico, 1995-12)
      Design of a synchronous motor and its protection system The design of a synchronous motor is not a common task in the practice of electrical engineering because this type of machine is widely available for mechanical ...

    • Diseño de un experimento para una máquina de embotellado 

      Muñoz Cabán, Carmen; Vázquez Soto, Guillermo A. (Polytechnic University of Puerto Rico, 1995-12)
      Experimental design for a bottling proccess machine In this article we present an experimental design for a bottling process machine of the dry products plant of a local pharmaceutical industry. Our goal is to identify ...

    • Design of an automatically guided mechanical manipulator 

      Veras, Eduardo J. (Polytechnic University of Puerto Rico, 1995-12)
      An automatically guided mechanical manipulator is an electromechanical « device used for transportation and material handling. A combination of k electronics control and mechanics (mechatronics) design and analysis is » ...

    • Configuraciones proyectivas ortomodulares y retículos cúbicos 

      Sarmiento, Jorge (Polytechnic University of Puerto Rico, 1995-12)
      Orthomodular projective configurations and cubic lattices The author shows the construction of a cubic, connected, orthomodular attice of height 3, from a connected, orthomodular, projective configuration and gives the ...

    • Subscriber line automatic identification number device 

      Lozada, Roberto; Sánchez, Pedro A. (Polytechnic University of Puerto Rico, 1995-12)
      The subscriber line automatic identification number device, SLAIN device, is an apparatus that may be utilized as the subscriber's end section of a telephone privatization system. This system will not utilize any equipment ...

    • El Politécnico (Año 3, Número 6, Febrero 1996)  

      Universidad Politécnica de Puerto Rico. Oficina de Mercadeo y Comunicaciones. (Polytechnic University of Puerto Rico, 1996-02)
      Periódico El Politécnico (Año 3, Número 6, Febrero 1996) órgano oficial de la Universidad Politécnica de Puerto Rico, se publica con una periodicidad trimestral.

    • El Politécnico (Año 3, Número 7, Mayo 1996)  

      Universidad Politécnica de Puerto Rico. Oficina de Mercadeo y Comunicaciones. (Polytechnic University of Puerto Rico, 1996-05)
      Periódico El Politécnico (Año 3, Número 7, Mayo 1996) órgano oficial de la Universidad Politécnica de Puerto Rico, se publica con una periodicidad trimestral.

    • Pull system implementation in a welding area 

      de Ia Mata, Milagros; González Torres, Daniel E. (Polytechnic University of Puerto Rico, 1996-06)
      Our project took place in a welding area which supplies two production lines of a large company in Puerto Rico. The company is divided in four areas: fabrication, welding, assembly and molding. Management wants to implement ...