Listar por autor "González Lizardo, Ángel E."

Mostrando ítems 1-15 de 15

    • Alternatives for Processing Plastics with Recycle Codes from 3 to 7 

      Cuevas Colón, Bianka J. (Polytechnic University of Puerto Rico, 2019-08-19)
      Solid waste management represents a challenge for Puerto Rico. According to the Department of Natural and Environmental Resources (2019), more than half of the landfills have a closure order and only type one and two ...

    • Automation of Plasma Diagnostics at Polytechnic University of Puerto Rico 

      Sánchez, Samuel; Colmenares, Franklyn; González Lizardo, Ángel E.; Leal Quirós, Edbertho (Polytechnic University of Puerto Rico, 2008)
      This work presents an ongoing effort to develop an automatic measurement system for plasma diagnostics at the Plasma Engineering Laboratory of Polytechnic University of Puerto Rico, along with an example of its operation. ...

    • Basic Plasma Diagnostics: Probes and Analyzers 

      Leal Quirós, Edbertho; González Lizardo, Ángel E. (Polytechnic University of Puerto Rico, 2008)
      What is plasma? Plasma is the fourth state of matter. Plasma are conductive assemblies of charged particles, neutrals and fields that exhibit collective effects. Plasma is profoundly influenced by the electrical interaction ...

    • Dermabond Automation- Mini Swab Assembly Machine 

      Bernis Vazquez, John (Polytechnic University of Puerto Rico, 2013)
      This project covers the development, design and process control of Dermabond Mini Swab Assembly Machine. The project focused primarily on a solution based on the automation and process control application. This report ...

    • Design of an Automation and Control System for PUPR-MC Plasma Machine 

      Molina, Omar; Morales, E.; González Lizardo, Ángel E.; Leal Quirós, Edbertho (Polytechnic University of Puerto Rico, 2008)
      The automation of Polytechnic University of Puerto Rico Mirror-Cusp (PUPR-MC) plasma machine is part of the work performed by the Plasma Engineering Laboratory in the experiments of the NASA Solar Probe Mission Thermal ...

    • Development of a New Medical Device Production Line Using Systems Engineering 

      Pereira Williams, José E. (Polytechnic University of Puerto Rico, 2012)
      Abstract - The design and development of a production line to manufacture a new medical device for clinical trials requires the establishment of a very precise implementation plan. This is especially important since we are ...

    • Experimental Design of a High Vacuum System for PUPR-MC Plasma Machine 

      Rivera Varona, Ramón; Colmenares, Franklyn; Leal, David; Lleonart, Giovanni (Polytechnic University of Puerto Rico, 2008)
      In vacuum technology it is customary to divide a large pressure region (as of today, covering 16 orders of magnitude) into single, smaller regions. These divisions are somewhat arbitrary. Thus, the chemists frequently refer ...

    • Glow Discharge Plasma sterilization as an alternative for ethylene oxide sterilization (EtO) 

      Albertorio Rosado, Aneizka (Polytechnic University of Puerto Rico, 2021-09-17)
      This work is considering plasma sterilization as an alternative for ethylene oxide sterilization ( EtO ). Ethylene oxide is a carcinogen that represents a threat to the environment and human health. During the COVID ...

    • Glow Discharge Plasma Sterilization of Prokaryotic Microorganism Through Electrostatic Plasma 

      Cepeda Torres, Omar S.; Martes Martínez, José O. (Polytechnic University of Puerto Rico, 2020-11-13)
      Plasma is the fourth state of the matter In this state the matter has enough energy to delocalize the subparticles of the atoms that make up the material At the subatomic level plasma is a mixture of highly energized ...

    • Glow Discharge Plasma Sterilization of Prokaryotic Microorganism Through Electrostatic Plasma 

      Morales Carvajal, Paola M.; Borromé, Daniel (Polytechnic University of Puerto Rico, 2019-08-19)
      Sterilization/disinfection of target bacteria – Bacillus Subtilis – is investigated using plasma sterilization process which involves both Dielectric Barrier Discharge Plasma (DBD) and Glow Discharge Plasma. The purpose ...

    • High Density Plasma Nitriding on Stainless Steel Alloys at PUPR-MC Plasma Machine 

      Rivera, Ramón; Colmenares, Franklyn; Lleonart Dávila, Giovanni; Leal, David; Gaudier, Jorge; González Lizardo, Ángel E.; Leal Quirós, Edbertho; Burgos Saldaña, Gilmer (Polytechnic University of Puerto Rico, 2008)
      A novel method of nitriding at high current levels at Polytechnic University of Puerto Rico Mirror Cusp plasma machine (PUPR-MC) has been performed. Nitrogen ions implantation or plasma nitriding increases the hardness at ...

    • Mass Spectrometric Study of Various Coated Targets Utilizing PUPR-MC Plasma Machine for NASA Solar Probe Space Mission 

      Lleonart Dávila, Giovanni; Leal Quirós, Edbertho; González Lizardo, Ángel E.; Gaudier, Jorge; Rivera, Ramón (Polytechnic University of Puerto Rico, 2008)
      The NASA Solar Probe Space Mission will be a historic operation, flying for the first time into one of the last unexplored regions of the solar system, the Sun's atmosphere or corona; hopefully revolutionizing our knowlege ...

    • Plasma Gas Identification Using the Single Langmuir Probe 

      Sánchez, Samuel; Gaudier, Jorge R.; Rivera, Ramón; Colmenares, Franklin; Lleonart, Giovanni; Carrera, Miguel A.; Molina, Omar (Polytechnic University of Puerto Rico, 2008)
      A novel method to identify mass composition of plasmas was discovered at Polytechnic University of Puerto Rico Mirror Cusp (PUPR-MC) plasma machine using a Single Langmuir probe characteristic. This is a comparative method ...

    • Time Confinement Simulation of a Charged Particle in a Mirror Magnetic Field 

      Ávila O’Neill, Sara R. (Polytechnic University of Puerto Rico, 2014)
      Plasma is a state of matter formed of electrically charged particles. Those particles are greatly influenced by electromagnetic interactions, which have been abundantly studied since the 19 century. The Lorentz equation ...

    • Time Confinement Simulation of a Charged Particle in a Mirror Magnetic Field 

      Ávila O’Neill, Sara R. (Polytechnic University of Puerto Rico, 2016)
      Plasma is a state of matter formed of electrically charged particles. Those particles are greatly influenced by electromagnetic interactions, which have been abundantly studied since the 19 century. The Lorentz equation ...