DYNA: revista de la Facultad de Minas. Universidad Nacional de Colombia. Sede Medellín

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  Año 2011, Vol. 78, Número 166

  • An improved measurement strategy based on statistical design of experiments for a boost converter

    Hiram Morales Espinosa, Abraham Claudio Sánchez, Jesús Aguayo Alquicira, Manuel Adam Medina, Jesus Mina

    • Resumen
    • Texto completo

    págs. 7-16

    

  • Parameter stability in freight generation and distribution demand models in colombia

    Jose Holguin Veras, Iván Reinaldo Sarmiento Ordosgoitia, Carlos A. González Calderón

    • Resumen
    • Texto completo

    págs. 16-20

    

  • Vertical well pressure and pressure derivative analysis for bingham fluids in homogeneous reservoirs

    Javier Martínez Pérez, Freddy Humberto Escobar Macualo, Matilde Montealegre Madero

    • Resumen
    • Texto completo

    págs. 21-28

    

  • Model based predictive control of a rougher flotation circuit considering grade estimation in intermediate cells

    Daniel Rojas Acuña, Aldo Cipriano Zamorano

    • Resumen
    • Texto completo

    págs. 29-37

    

  • Synthesis and characterisation of sod-, can- and jbw-type structures by hydrothermal reaction of kaolinite at 200oc

    Carlos Alberto Ríos Reyes, Craig Denver Williams, Clive J. Roberts

    • Resumen
    • Texto completo

    págs. 38-47

    

  • Failure analysis and redesign of a wagon wheel shaft for sugar cane transport

    Fernando Casanova García

    • Resumen
    • Texto completo

    págs. 48-54

    

  • Three-fiber optical probe for studying fluidized gas-solid beds in bubbling regime

    Erick E. Reyes-Vera, Diana Melisa Domínguez Gómez, Jesús David Causado Buelvas, Pedro Ignacio Torres Trujillo, Yolice Patricia Moreno, Carlos Arturo Londoño Giraldo, Alejandro Molina-Ochoa

    • Resumen
    • Texto completo

    págs. 55-59

    

  • Non-linear state space model and control strategy for pem fuel cell systems

    Richard Ríos Patiño, Carlos Andres Ramos Paja, Jairo J. Espinosa Oviedo

    • Resumen
    • Texto completo

    págs. 60-67

    

  • Radiation model for predicting temperature evolution in solar cooker

    Farid Chejne Janna, Andres Felipe Macia Gomez, Diego Alejandro Estrada Mesa, Héctor Iván Velásquez Arredondo, Carlos Arturo Londoño Giraldo

    • Resumen
    • Texto completo

    págs. 68-74

    

  • Design and characterization of thermally actuated bimetallic membranes by michelson interferometry

    Julio Enrique Duarte, Flavio Humberto Fernández Morales, Estela Martín Badosa

    • Resumen
    • Texto completo

    págs. 75-80

    

  • Modelling and reconstruction of gabor-type holograms

    Gabriel J. Lora, Natalia Munera Ortiz, Jorge García Sucerquia

    • Resumen
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    págs. 81-88

    

  • Design and implementation of an observer-based soft sensor for a heat exchanger

    Ricardo Fabricio Escobar Jiménez, Carlos Manuel Astorga Zaragoza, José Alfredo Hernández Pérez, Manuel Adam Medina, Gerardo Guerrero Ramírez

    • Resumen
    • Texto completo

    págs. 89-97

    

  • Generalization of zad strategy: An application to a dc-dc buck converter

    Fabiola Angulo Garcia, Gerard Olivar Tost, Gustavo Adolfo Osorio Londoño

    • Resumen
    • Texto completo

    págs. 98-107

    

  • Modeling of bidding prices in power markets using clustering and fuzzy association rules

    Luis Eduardo Gallego Vega, Oscar Germán Duarte Velasco

    • Resumen
    • Texto completo

    págs. 108-117

    

  • The structure of the computational signal algebra and its application in digital image processin

    Marlio Paredes Gutiérrez, Jorge Villamizar Morales, Lola Xiomara Bautista Rozo, Domingo Rodríguez

    • Resumen
    • Texto completo

    págs. 118-132

    

  • Automatic construction of nurbs surfaces from unorganized points

    Nallig Eduardo Leal Narváez, Esmeide Alberto Leal Narváez, John William Branch Bedoya

    • Resumen
    • Texto completo

    págs. 133-141

    

  • A conceptual trajectory multidimensional model: An application to public transportation

    Francisco Javier Moreno Arboleda, Fernando Arango Isaza

    • Resumen
    • Texto completo

    págs. 142-149

    

  • Photocatalytic disinfection treatments: Viability, cultivability and metabolic changes of e. Coli using diferent mesurements methods

    Janeth Sanabria, Julien Wist, Cesar Pulgarín

    • Resumen
    • Texto completo

    págs. 150-157

    

  • Numerical study of apple cooling in tandem arrangement

    Marcio Aredes Martins, Leandro Soares de Oliveira, Jairo Alexander Osório Saraz

    • Resumen
    • Texto completo

    págs. 158-165

    

  • Physicochemical characterization of natural and acetylated thermoplastic cassava starch

    Jose Herminsul Mina Hernandez, Alex Valadez González, Pedro Jesús Herrera Franco, Héctor Fabio Zuluaga Corrales, Silvio Delvasto Arjona

    • Resumen
    • Texto completo

    págs. 166-173

    

  • Modelling the dynamics of antibody production in birds

    Fredy Andrés Olarte Dussan, Carlos Arturo Clavijo Ramírez, Hernando Díaz Morales

    • Resumen
    • Texto completo

    págs. 174-182