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3. Evaluación Experimental de Transferencia de Calor en un Radiador de un Motor de Combustión Interna de Encendido por Chispa.

Author

Jiménez Macedo, Víctor Daniel, Mendoza Covarrubias, Crisanto, Gutierrez Sánchez, Hugo Cuauhtemoc, and Trenado Herrera, Juan Mauricio

Abstract

Copyright of Congreso Internacional de Investigación Academia Journals is the property of PDHTech, LLC and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2021

4. FABRICACIÓN DE BIOCOMPUESTOS DE POLÍMEROCERÁMICO PARA INGENIERÍA DE TEJIDOS Y MEDICINA REGENERATIVA.

Author

Pérez Calvillo, Teodoro Alejandro, Martínez Valencia, Ana Beatriz, Ceja Martínez, Luis Ernesto, Jiménez Macedo, Víctor Daniel, Márquez Pérez, Lucia, Carbajal de la Torre, Georgina, and Villagómez Galindo, Miguel

Abstract

Copyright of Congreso Internacional de Investigación Academia Journals is the property of PDHTech, LLC and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2020

5. CARACTERIZACIÓN DE UN BIOCOMBUSTIBLE DERIVADO DE ACEITE DE COCINA PARA SU USO EN UN MOTOR DE COMBUSTIÓN INTERNA DE ENCENDIDO POR COMPRESIÓN.

Author

Jiménez Macedo, Víctor Daniel, Mendoza Covarrubias, Crisanto, and Ceja Martínez, Luis Ernesto

Abstract

Copyright of Congreso Internacional de Investigación Academia Journals is the property of PDHTech, LLC and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2020

6. ANÁLISIS DE LAS PRESTACIONES DE UN MOTOR DE COMBUSTIÓN INTERNA DE ENCENDIDO POR COMPRESIÓN DE PEQUEÑA CILINDRADA.

Author

Jiménez Macedo, Víctor Daniel, Villagómez Galindo, Miguel, and García Tinoco, José

Abstract

Copyright of Congreso Internacional de Investigación Academia Journals is the property of PDHTech, LLC and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2020

7. ANÁLISIS DEL COMPORTAMIENTO DE TEMPERATURA DE UN MOTOR DE COMBUSTIÓN INTERNA USANDO REDES NEURONALES ARTIFICIALES.

Author

Trujillo Jiménez, Piña Castillo, Juan José, Jiménez Macedo, Víctor Daniel, and González Bernal, Renato

Abstract

Copyright of Congreso Internacional de Investigación Academia Journals is the property of PDHTech, LLC and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2019

8. PROCESO DE REDUCCIÓN DE VIBRACIONES MECÁNICAS EN UN MOTOR DE COMBUSTIÓN INTERNA PRODUCIDAS AL ACOPLAR UN MEDIDOR DE POTENCIA.

Author

Trujillo, Jesús Cirilo Jiménez, Piña Castillo, Juan José, Jiménez Macedo, Víctor Daniel, and Quezada Amezcua, José Guadalupe

Abstract

Copyright of Congreso Internacional de Investigación Academia Journals is the property of PDHTech, LLC and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2019

9. VARIACIÓN CUANTITATIVA EN EL CÁLCULO DE LA TRANSFERENCIA DE CALOR DEL SISTEMA DE ESCAPE EN UN MOTOR DE COMBUSTIÓN INTERNA.

Author

Jiménez Macedo, Víctor Daniel, Trujillo Jiménez, Jesús Cirilo, Piña Castillo, Juan José, and Chavez Fitzner, Jorge

Abstract

Copyright of Congreso Internacional de Investigación Academia Journals is the property of PDHTech, LLC and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2019

10. Uso de las transformaciones de Park en el análisis de un generador síncrono de imanes permanentes de una turbina eólica Skystream 3.7.

Author

López López, Tizoc and Jiménez Macedo, Víctor Daniel

Abstract

Copyright of Congreso Internacional de Investigación Academia Journals is the property of PDHTech, LLC and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2019

11. SIMULACIÓN NUMÉRICA DEL COMPORTAMIENTO TÉRMICO EN UN RADIADOR DE UN MOTOR DE COMBUSTIÓN INTERNA DE 4.1 L.

Author

Jiménez Macedo, Víctor Daniel, López López, Tizoc, and Castañeda Ramírez, Julio César

Abstract

Copyright of Congreso Internacional de Investigación Academia Journals is the property of PDHTech, LLC and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2019

12. ANÁLISIS DE LAS EMISIONES DE GASES DE UN MOTOR DE COMBUSTIÓN INTERNA A BASE DE GASOLINA E HIDRÓGENO.

Author

Trujillo Jiménez, Jesús Cirilo, Jiménez Macedo, Víctor Daniel, and Piña Castillo, Juan José

Abstract

Copyright of Congreso Internacional de Investigación Academia Journals is the property of PDHTech, LLC and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2018

13. CÁLCULO DE LAS CARACTERÍSTICAS DE DISEÑO DE GENERADOR EÓLICO.

Author

Trujillo Jiménez, Jesús Cirilo, Piña Castillo, Juan José, Jiménez Macedo, Víctor Daniel, and Gómez Martínez, Carlos Humberto

Abstract

Copyright of Congreso Internacional de Investigación Academia Journals is the property of PDHTech, LLC and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2018

14. MODELO EXPERIMENTAL PARA LA OBTENCIÓN DE LAS CURVAS DE ESTABILIZACIÓN TERMODINÁMICA EN UN MOTOR DE COMBUSTIÓN INTERNA.

Author

José Piña Castillo, Juan, Jiménez Macedo, Víctor Daniel, and Cirilo Trujillo Jiménez, Jesús

Abstract

Copyright of Congreso Internacional de Investigación Academia Journals is the property of PDHTech, LLC and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2018

15. USO DE UNA TÉCNICA MRP II-DELPHI PARA LA SELECCIÓN DE PROVEEDORES Y MATERIAS PRIMAS.

Author

Villagómez Galindo, Miguel, Jiménez Macedo, Víctor Daniel, Gutiérrez Sánchez, Hugo Cuauhtemoc, and Mendoza Covarrubias, Crisanto

Abstract

Copyright of Congreso Internacional de Investigación Academia Journals is the property of PDHTech, LLC and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2018

16. EVALUACIÓN TÉRMICA DE UN MOTOR DE COMBUSTIÓN INTERNA DE 4.1 L.

Author

Piña Castillo, Juan José, Jiménez Macedo, Víctor Daniel, Trujillo Jiménez, Jesús Cirilo, and López López, Tizoc

Abstract

Copyright of Congreso Internacional de Investigación Academia Journals is the property of PDHTech, LLC and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2018

17. TRANSFERENCIA DE CALOR LOCAL EN UN SISTEMA DE ESCAPE EN UN MOTOR DE 4.1 L DE ENCENDIDO POR CHISPA.

Author

Jiménez Macedo, Víctor Daniel, Mendoza Covarrubias, Crisanto, Solorio Díaz, Gildardo, Ceja Martínez, Luis Ernesto, and Guerrero Moreno, Raúl

Abstract

Copyright of Congreso Internacional de Investigación Academia Journals is the property of PDHTech, LLC and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2018

18. Proceso de Fabricación de los Álabes de un Generador Eólico de 2KW.

Author

Trujillo Jiménez, Jesús Cirilo, Vázquez Padilla, Miriam, Piña Castillo, Juan José, and Jiménez Macedo, Víctor Daniel

Abstract

Copyright of Congreso Internacional de Investigación Academia Journals is the property of PDHTech, LLC and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2017

19. MODELO MATEMÁTICO DEL DISEÑO DE ÁLABES EN TURBINAS EÓLICAS DE BAJA POTENCIA.

Author

Piña Castillo, Juan José, Jiménez Macedo, Víctor Daniel, and Trujillo Jiménez, Jesús Cirilo

Abstract

Copyright of Congreso Internacional de Investigación Academia Journals is the property of PDHTech, LLC and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2017

20. EVALUACIÓN DE UNA MEZCLA DE COMBUSTIBLE HIDRÓGENO Y GASOLINA PARA SU USO EN MOTORES DE COMBUSTIÓN INTERNA: EMISIONES CONTAMINANTES.

Author

Jiménez Macedo, Víctor Daniel, Piña Castillo, Juan José, Trujillo Jiménez, Jesús Cirilo, Ceja Martínez, Luis Ernesto, and Martínez Valencia, Ana Beatriz

Abstract

Copyright of Congreso Internacional de Investigación Academia Journals is the property of PDHTech, LLC and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2017

21. Fire hazard and risk analysis of large fuel storage tank in IOC terminal

Author

Dhurandher, Bhisham Kumar, Khatua, Lizina, Jiménez Macedo, Víctor Daniel, Bhuria, Vijay, Jatti, Vijaykumar S, Sahu, Deepak, and Dwivedi, Gaurav

Abstract

Fires and explosions in large oil storage tanks terminal cause significant loss of property and casualties and are always the concern of the world. To have proper understanding and knowledge about tank fires in terminals a detail study has been done considering various factors like safe separation distance, thermal radiation intensity and deluge water requirement. This paper offers the study of fire hazard especially the radiative heat flux absorbed by adjoining storage tanks. Large storage tanks fire has significant amount of energy release and causes strong thermal radiation to the properties and structures nearby. The thermal radiation intensity has been determined by providing safe separation distance recommended by various standards along with its permissible thermal radiation level for adjoining tanks. The calculated amount of mass flow rate of water required ranges in between 0.09 and 0.23 l/m2s which significantly varies from the recommendations of different code. However, by not ensuring required amount of water as a protective measure to safeguard the target tanks will put its integrity in doubt.

Published
2024
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22. Adaptación de un modelo unidimensional para la predicción de prestaciones en motores de dos tiempos de pequeña cilindrada

Author

Jiménez Macedo, Víctor Daniel

Subjects
Transmisión de calor, Modelado 1d, MAQUINAS Y MOTORES TERMICOS, Máster Universitario en Motores de Combustión Interna Alternativos-Màster Universitari en Motors de Combustió Interna Alternatius, Simulación de la combustión, Motor de dos tiempos
Abstract

Se trata de obtener las prestaciones de motores de dos tiempos de pequeña cilindrada utilizando un modelo de simulación por ordenador. El desarrollo del modelo, con ayuda de ensayos en banco, se ha centrado en la transmisión de calor en el sistema de escape y la obtención de correlaciones para la simulación de la combustión.

Published
2009

23. Heat transfer modeling in exhaust systems of high-performance two-stroke engines

Author

Universitat Politècnica de València. Instituto Universitario CMT-Motores Térmicos - Institut Universitari CMT-Motors Tèrmics, Universitat Politècnica de València. Departamento de Máquinas y Motores Térmicos - Departament de Màquines i Motors Tèrmics, Lujan Martinez, José Manuel, Climent Puchades, Héctor, Olmeda González, Pablo Cesar, Jiménez Macedo, Víctor Daniel, Universitat Politècnica de València. Instituto Universitario CMT-Motores Térmicos - Institut Universitari CMT-Motors Tèrmics, Universitat Politècnica de València. Departamento de Máquinas y Motores Térmicos - Departament de Màquines i Motors Tèrmics, Lujan Martinez, José Manuel, Climent Puchades, Héctor, Olmeda González, Pablo Cesar, and Jiménez Macedo, Víctor Daniel

Abstract

Heat transfer from the hot gases to the wall in exhaust systems of high-performance two-stroke engines is underestimated using steady state with fully developed flow empirical correlations. This fact is detected when comparing measured and modeled pressure pulses in different positions in the exhaust system. This can be explained taking into account that classical expressions have been validated for fully developed flows, a situation that is far from the flow behavior in reciprocating internal combustion engines. Several researches have solved this phenomenon in four-stroke engines, suggesting that the unsteady flow is strongly linked to the heat transfer. This research evaluates the correlations proposed by other authors in four stroke engines and introduces a new heat transfer model for exhaust systems in two-stroke, high performance, gasoline engines. The model, which accounts for both the entrance length effect and flow velocity fluctuations, is validated against experimental measurements. Comparisons of the proposed model with other models are performed, showing not negligible differences in the scavenge process related parameters.

Published
2014

24. Contribución al modelado unidimensional en motores de dos tiempos de altas prestaciones

Author

Climent Puchades, Héctor, Universitat Politècnica de València. Departamento de Máquinas y Motores Térmicos - Departament de Màquines i Motors Tèrmics, Jiménez Macedo, Víctor Daniel, Climent Puchades, Héctor, Universitat Politècnica de València. Departamento de Máquinas y Motores Térmicos - Departament de Màquines i Motors Tèrmics, and Jiménez Macedo, Víctor Daniel

Abstract

Un modelo de simulación presenta muchas ventajas en el campo del desarrollo de motores de combustión interna alternativos. Su utilidad es doble. Por un lado, para entender la naturaleza de los fenómenos físicos que suceden en el interior del motor, y por otro, con el fin de optimizar el diseño de los sistemas que integran el mismo. El principal objetivo de esta tesis es desarrollar un modelo de un motor de dos tiempos de 125 cc de altas prestaciones para caracterizar la fluidodinámica interna en los sistemas de admisión, cilindro y escape. Para la construcción del modelo unidimensional del motor es imprescindible conocer información experimental. Por tanto, se han caracterizado de forma experimental los elementos que forman el motor. Por una parte, se ha usado un banco de impulsos para la caracterización dinámica. Por otra parte, se ha empleado un banco de flujo para caracterizar las pérdidas de presión en los elementos. Además, en banco motor, se ha analizado el proceso de combustión, con el objetivo de determinar la ley de liberación de calor. En relación a las tareas de modelado, se ha usado un modelo de diagnóstico para caracterizar del proceso de combustión, experimentando 37 condiciones de operación modificando el régimen de giro, el avance del encendido y usando cinco sistemas de escape. Asimismo, con el fin de poder reproducir el fenómeno de propagación de ondas en el interior del sistema de escape se ha propuesto un modelo de transmisión de calor ya que los modelos convencionales usados en motores de 4T no proporcionan resultados precisos al no contemplar los fenómenos físicos que suceden en el proceso de escape espontáneo de un motor de 2T de estas características. Para ello, se ha caracterizado experimentalmente el fenómeno de propagación de ondas en el interior del sistema de escape midiendo con diversos transductores de presión a lo largo de: un escape de diámetro constante y recto, y varios sistemas de escape derivados del original del motor. El primer

Published
2013

25. Adaptación de un modelo unidimensional para la predicción de prestaciones en motores de dos tiempos de pequeña cilindrada

Author

Climent Puchades, Héctor, Universitat Politècnica de València. Servicio de Alumnado - Servei d'Alumnat, Jiménez Macedo, Víctor Daniel, Climent Puchades, Héctor, Universitat Politècnica de València. Servicio de Alumnado - Servei d'Alumnat, and Jiménez Macedo, Víctor Daniel

Abstract

Se trata de obtener las prestaciones de motores de dos tiempos de pequeña cilindrada utilizando un modelo de simulación por ordenador. El desarrollo del modelo, con ayuda de ensayos en banco, se ha centrado en la transmisión de calor en el sistema de escape y la obtención de correlaciones para la simulación de la combustión.

Published
2011

26. Correlations for Wiebe function parameters for combustion simulation in two-stroke small engines

Author

Universitat Politècnica de València. Departamento de Máquinas y Motores Térmicos - Departament de Màquines i Motors Tèrmics, Galindo Lucas, José, Climent Puchades, Héctor, Plá Moreno, Benjamín, Jiménez Macedo, Víctor Daniel, Universitat Politècnica de València. Departamento de Máquinas y Motores Térmicos - Departament de Màquines i Motors Tèrmics, Galindo Lucas, José, Climent Puchades, Héctor, Plá Moreno, Benjamín, and Jiménez Macedo, Víctor Daniel

Abstract

Combustion simulation in two-stroke engines becomes necessary not only for engine performance prediction but also for scavenge evaluation, since in-cylinder pressure and temperature are highly influenced by combustion process evolution. Combustion simulation by using a Wiebe function is appropriate to be included in a 1D engine code for providing design criteria with fast and accurate calculations; the main drawback is the determination of the four Wiebe parameters needed to build up the in-cylinder heat release. This paper deals with a detailed methodology for heat release determination in two-stroke engines under a wide range of running conditions; obtained empirical data will serve for building ad-hoc Wiebe functions, whose four parameters will be finally correlated with engine related parameters derived from 1D simulations. Two different engines, with three exhaust systems each, varying engine speed and spark-ignition timing were used to obtain correlations far from particular situations. A multiple regression analysis stated that charge density, residual gas fraction, spark timing and mean piston speed were the significant engine parameters that influence on Wiebe parameters. Finally, two scenarios were considered regarding Wiebe parameters: (a) specific correlations different for each engine gave coefficient of multiple determination values higher than 98% when predicting indicated mean effective pressure, (b) a global correlation used for both engines provided R2 values of 93% in the 50 cc and 91% in the 125 cc engine. © 2010 Elsevier Ltd. All rights reserved.

Published
2011

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