Topic
Refrigeration
About: Refrigeration is a research topic. Over the lifetime, 38810 publications have been published within this topic receiving 290700 citations.
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01 Jan 2004
TL;DR: The first ASHRAE conference was held at the University of Ingenieria Mecanica y Electrica (UANL) in Mexico as mentioned in this paper, with the participation of the Asesor de Capitulo Monterrey, Carlos Huerta, who was the first presidente to be elected without being Americano.
Abstract: El pasado 3 de Octubre de 2002 se llevo a cabo la ceremonia de abanderamiento de la Directiva de la Rama Estudiantil de ASHRAE en la Facultad de Ingenieria Mecanica y Electrica (FIME) de la UANL. El evento tuvo lugar en el Auditorio «Raul Quintero Flores» en donde se conto con la presencia de Fernando Gomez quien asistio en representacion del Rector de la UANL y Esteban Baez, Subdirector de Vinculacion de la FIME y representante del Director de la FIME, junto con directivos de ASHRAE Internacional. Despues de una presentacion que describe a la FIME, los asistentes escucharon las palabras del Presidente del Capitulo Monterrey de ASHRAE, Carlos Huerta, quien manifesto su orgullo en ser presidente en este momento y reconocio el trabajo que otros directivos han desarrollado a lo largo de los anos. Senalo que entre las actividades de la asociacion se encuentra el fomento a las actividades de investigacion y desarrollo. Menciono tambien la importancia que la rama estudiantil tiene en la vida de la asociacion y reitero el apoyo de ASHRAE a las actividades estudiantiles y su deseo de contribuir en su formacion. Por su parte el Director de la Region 8, Hugh McMillan, a nombre de ASHRAE internacional manifesto la satisfaccion que brinda trabajar en el area y elogio el entusiasmo de la gente de Monterrey. Comento que todos debemos prepararnos y que fortalecer la rama estudiantil es una gran manera. Se debe tener ademas presente que ya sea como lideres o como participantes, no se debe olvidar que se cuenta con la tutoria del Capitulo Monterrey para seguir adelante. Expreso que se trata de un reto, pero que con los elementos disponibles se vislumbra un futuro brillante. A continuacion el Asesor de Capitulos, Leo Stambaugh, menciono cuales son las funciones de ASHRAE, enfatizando que esta involucrada en proveer una vida mejor a la comunidad. Retomo el aspecto de investigacion con un ejemplo relacionado con una aplicacion en el telescopio espacial, en la que se da investigacion interdisciplinaria que va mas alla de los aspectos tipicos de aire acondicionado. Hablo de los capitulos con los que Monterrey interactua y les deseo a todos que disfrutaran ser parte de ASHRAE tanto como el. El Presidente Electo de ASHRAE Internacional, Richard Rooley en su mensaje menciono que el es el primer presidente de ASHRAE que no es americano, y lo ligo con una narracion en la que describe que todos los que pertenecen a ASHRAE lo hacen porque es una gran sociedad internacional, hablo de la responsabilidad que implica ser ingenieros, senalando que en este campo no hay diferencias entre idiomas, ideologias o religiones. Despues de esta reflexion, junto con el presidente de ASHRAE Monterrey realizaron la ceremonia de abanderamiento que consistio en presentar a Jesus Garza como asesor de la Rama Estudiantil de la FIME y le entregaron un manual en el que se consignan los procedimientos y que le ayudaran a cumplir con su funcion. Se presento formalmente a la directiva de esta rama, compuesta por: Miguel Angel Ruiz Silva, Presidente; Laura Cristina Grimaldo Padilla, Presidente Electo; Rosa Maria Torres Luevano, Tesorero; y Carlos Alberto Espinoza Sanchez, Secretario. Se les entrego el banderin de la Rama Estudiantil de ASHRAE en la UANL, y se les pidio que lo muestren con orgullo en cualquier evento o reunion de la asociacion que realicen. Para concluir el evento, Miguel Ruiz se dirigio a los presentes aceptando este reconocimiento, explicando que la responsabilidad que conlleva solamente podra ser enfrentada con el apoyo de catedraticos, investigadores y los propios estudiantes, invitandolos a que aprovechen el apoyo que ASHRAE otorga. Posteriormente a la ceremonia se efectuo una visita a algunas de las instalaciones de la FIME en donde se hizo mencion de las labores de investigacion y desarrollo que se llevan a cabo en la facultad, incluyendo aspectos energeticos y formas no convencionales de transferencia de calor.
2,095 citations
Book•
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01 Jan 1970
TL;DR: A review of thermodynamic properties of Moist Air can be found in this paper, where the authors also present a detailed discussion of the direct contact transfer process between Moist air and water.
Abstract: I INTRODUCTION 1 Introduction to Heating, Ventilating, Air Conditioning, and Refrigeration 2 Review of Thermodynamics, Fluid Mechanics, and Heat Transfer II REFRIGERATION 3 Mechanical Vapor-Compression Refrigeration Cycles 4 Mechanical Vapor-Compression Refrigeration Components and Systems 5 Absorption Refrigeration 6 Ultralow-Temperature Refrigeration: Cryogenics III PSYCHROMETRICS 7 Thermodynamic Properties of Moist Air 8 Psychometric Processes and Applications 9 The Psychrometer and Humidity Measurement IV HEAT- AND MASS-TRANSFER PROCESSES AND APPLICATIONS 10 Direct-Contact Transfer Processes Between Moist Air and Water 11 Heating and Cooling of Moist Air by Extended Surface Coils 12 Human Thermal Comfort and Indoor Air Quality 13 Solar Radiation V HEATING- AND COOLING-LOAD CALCULATIONS IN BUILDINGS 14 Winter Design Heat Loss 15 Instantaneous Heat Gain 16 Instantaneous Cooling Load 17 Energy-Estimation Methods VI AIR AND WATER DISTRIBUTION SYSTEM DESIGN 18 Air-Distribution System and Duct Design 19 Hydronic System Operation and Design Appendix A Thermodynamic and Thermophysical Property Tables Appendix B Weather Data Appendix C Refrigerant, Cryogenic, and Psychrometric Charts Index
794 citations
Book•
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01 Jan 1958
TL;DR: In this paper, the authors present an equipment-oriented textbook that applies theoretical results of engineering theories to refrigeration and air conditioning engineering problems, which enables the student to understand both common and uncommon problems in designing, selecting and applying air conditioning and refrigeration components and systems.
Abstract: This is a thorough revision of the definitive, classic text for any level course on refrigeration, refrigeration and air conditioning, and environmental control in buildings. It is an equipment-oriented textbook that applies theoretical results of engineering theories to refrigeration and air conditioning engineering problems. This enables the student to understand both common and uncommon problems in designing, selecting and applying air conditioning and refrigeration components and systems. The material has been updated to apply to the new Environmental Protection Agency requirements and to the new technology developed in response to the energy crisis. New to this edition is a discussion of solar energy; coverage of the basic principles of acoustics and noise control (in relation to air conditioning systems), fans and ducts, pumps and piping, and air conditioning units. While all the material in the text can be understood and executed without computers, alternate computer solutions are shown for system simulation. SI units are used throughout.
763 citations
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TL;DR: In this article, a review of magnetic refrigerant-materials for room-temperature applications is presented, considering both scientific aspects and industrial applicability, and some theoretical considerations.
Abstract: Modern society relies on readily available refrigeration. Magnetic refrigeration has three prominent advantages compared with compressor-based refrigeration. First, there are no harmful gases involved; second, it may be built more compactly as the working material is a solid; and third, magnetic refrigerators generate much less noise. Recently a new class of magnetic refrigerant-materials for room-temperature applications was discovered. These new materials have important advantages over existing magnetic coolants: they exhibit a large magnetocaloric effect (MCE) in conjunction with a magnetic phase-transition of first order. This MCE is larger than that of Gd metal, which is used in the demonstration refrigerators built to explore the potential of this evolving technology. In the present review we compare the different materials considering both scientific aspects and industrial applicability. Because fundamental aspects of MCE are not so widely discussed, we also give some theoretical considerations.
759 citations
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TL;DR: A literature review on absorption refrigeration technology is provided in this paper, where a number of research options such as various types of absorption refrigerator systems, research on working fluids, and improvement of absorption processes are discussed.
Abstract: This paper provides a literature review on absorption refrigeration technology. A number of research options such as various types of absorption refrigeration systems, research on working fluids, and improvement of absorption processes are discussed.
695 citations