Browsing Mechanical Engineering by Title

Now showing items 1-20 of 50

    • 3D Vibration Isolation Systems Modeling for Air Handling Units 

      Aponte Rivera, Alfredo (Polytechnic University of Puerto Rico, 2014)
      Spring isolators systems are commonly used in a variety of ways in today’s construction industry. They are an essential part of the design of many mechanical systems that are in need of absorbing and dissipating unwanted ...

    • Aircraft Wing Spanwise Air-Load Distribution using MATLAB 

      Holguino Borda, Jonathan (Polytechnic University of Puerto Rico, 2014)
      Aircraft design is a complex task that involves the interaction between aerodynamics, propulsion, flight mechanics and structures. In particular, the structural design tasks involve the consideration of a significant ...

    • Airfoil Design Using Blade Element Momentum Theory 

      Lobeto Sanfeliz, Rodrigo (Polytechnic University of Puerto Rico, 2015)
      A wind turbine is a device designed to extract kinetic energy from the wind and convert it to mechanical energy, which in turn can be equivalent to electric power. On this work we will focus on the aerodynamics of wind ...

    • Analysis and Application of Maxwell's Equation for Induction Heating 

      Vázquez Ruiz, Eduardo (Polytechnic University of Puerto Rico, 2013)
      This article involves the development of the Maxwell equations considering a induction heating system. It is analyzed by computer program "Ansys Maxwell," to observe the development of the magnetic field. The system ...

    • Analysis and Characterization of the Condenser of a Small Scale Solar Air Conditioning Unit 

      Fuentes Meléndez, José A. (Polytechnic University of Puerto Rico, 2012)
      Abstract - This work is intended to show the characterization of a flat plate heat exchanger used as the condenser of a small scale solar air conditioning system and the recommendations for future studies. Also show flat ...

    • Analysis of Airfoils Modifications on Horizontal Axis Wind Turbine Blades 

      Guzmán Claudio, Carlos M. (Polytechnic University of Puerto Rico, 2020)
      This project investigates the combination of upper surface dimples and trailing edge serrations of a 3D thin airfoil and their effect on aerodynamic performance. Dimples are known to reduce a golf ball’s drag while a ...

    • Analytical Analysis of Propellers Using MATLAB 

      Lozada Pérez, Daniel (Polytechnic University of Puerto Rico, 2024)
      A propeller is a device designed to convert rotational motion from an engine or motor into thrust, which in turn propels a vehicle. This study focuses on developing a computational tool to analyze the performance of various ...

    • An Application of Project Management Methodology for the Development of an Advance Identity Product within Budget and On Time Delivery 

      Rodríguez Colón, Edwin O. (Polytechnic University of Puerto Rico, 2012)
      Abstract - In an Advanced Identity Management Technology Company the purpose is to create solutions to identifying individuals in a system (such as a country, a network, or an enterprise) and controlling their access to ...

    • Assembly fit-up issue: investigation of a first stage high pressure gas turbine rotor 

      Miranda Rivera, Antonio (Polytechnic University of Puerto Rico, 2018)
      A Gas Turbine engine generates mechanical energy from a combustible fuel. This mechanical energy could be converted into electrical power by means of a rotating shaft as opposed to the pressurized thrust generated on ...

    • Automated Hydroponic System Design with Minimal Human Interaction 

      Santos De Jesús, Omar X. (Polytechnic University of Puerto Rico, 2022)
      The design of an automated hydroponic system follows from the need of having a system that works through difficult situations. A situation involving a power outage is considered a major problem since the plants in the ...

    • Central Water-Cooled Chill Water Plant 

      Hernández, Daniel A. (Polytechnic University of Puerto Rico, 2015)
      A medical device facility in the island needs to determine the feasibility of replacing the existing air-cooled chilled water system at their main plant with a more efficient water-system in order to reduce the electric ...

    • CFD Study to Analyze the Behavior of Secondary Flow Using Fillets 

      Tafur Bermúdez, Lourdes (Polytechnic University of Puerto Rico, 2015)
      Secondary flow are a series of vortex created at the leading edge of the blade. These vortexes decrease the efficiency of the turbine by creating a non-uniform flow which will pass to successive blade stages. The ...

    • CFD-Based Method for Validation of DATCOMand Potential Flow Stability and Control Derivatives 

      Concepción Morales, Willie (Polytechnic University of Puerto Rico, 2021)
      DATCOM wasuse traditionally as the method to determine the aircraft downwash, and longitudinal stability and control derivatives for small unmanned air vehicles conceptual designat the Polytechnic ...

    • Cost Improvement Process - LAL Sample Selection Procedure 

      Alvarez Delgado, Frank (Polytechnic University of Puerto Rico, 2021)
      The Cost Improvement Process for LAL (Limulous Amoebocyte Lysate) Sample Selection Procedure was identified with the purpose of reduction of cost and increase in revenue. This process was analyzed and overviewed, estimating ...

    • Crack Growth in Compressive Stress Fields 

      Méndez Cuevas, Luis Gadiel (Polytechnic University of Puerto Rico, 2013)
      To understand how to analyze Damage Tolerance in an aerospace component loaded in compression one must first obtain correct Fatigue Crack Growth curves. Once the fatigue data curves are correct one could then move forward ...

    • Crecimiento de las Microcavidades en el Área del Cuello bajo la Prueba de Tensión 

      Mulero Ramírez, Joseph (Polytechnic University of Puerto Rico, 2016)
      En esta investigación usted encontrará unos registros de datos e ilustraciones que fueron analizados sobre una serie de pruebas realizadas a varios especímenes de aleación de Aluminio 6061- T6 bajo la prueba de tracción ...

    • Data Center Design and Airflow Management (Insight into Increasing Performance and Efficiency) 

      Roncoli Venegas, Edward (Polytechnic University of Puerto Rico, 2015)
      The formation of hot spots in data centers is usually caused by the inability to properly distribute the airflow and not for the lack of capacity by the cooling system. Airflow management is essential to reduce the ...

    • Design of a Double Pipe Heat Exchanger in Counter Flow Configuration Using Numerical Analysis 

      Pérez Capó, Kenny (Polytechnic University of Puerto Rico, 2022)
      The Double Pipe Heat Exchanger in counter flow configuration consists of one fluids flow from the inner pipe while the other flows in the opposite direction from the outer pipe. This project analyzed and designed this heat ...

    • Development of an Open Source Tool for the Preliminary Structural Design of a Small Wind Turbine Based on National and International Standards 

      Miranda Vélez, José A. (Polytechnic University of Puerto Rico, 2013)
      Wind energy have proven to be a viable option in the production of electricity. The benefits from wind energy sources include reductions in greenhouse gas emissions, water conservation and the diversification of the ...

    • Difference Between Ribbed or Dimpled Systems 

      Ortiz Andujar, Angel J. (Polytechnic University of Puerto Rico, 2023)
      The purpose of this design project is to compare the heat transfer and pressure drop phenomena in different cases. The project was carried out with two different models, that is, a channel with ribs and another with dimples ...