Magnetic Refrigeration Technology at Room Temperature
Magnetic Refrigeration Technology at Room Temperature
La société moderne dépend en grande partie des méthodes de réfrigération facilement disponibles. Jusqu'à présent, les réfrigérateurs à compression de vapeur conventionnels ont été principalement utilisés pour des applications de réfrigération. Néanmoins, les réfrigérateurs conventionnels – basés sur la compression et la détente du gaz – ne sont pas très efficaces car la réfrigération représente 25% de la consommation d'énergie résidentielle et 15% de la consommation d'énergie commerciale (Tishin, 1999). De plus, l'utilisation de gaz tels que les chlorofluorocarbures (CFC) et les hydrochlorofluorocarbures (HCFC) a des effets néfastes sur notre environnement. Récemment, le développement de nouvelles technologies – telles que la réfrigération magnétique – a apporté une alternative à la technique conventionnelle de compression des gaz (Manh, 2007).
La sociedad moderna depende en gran medida de los métodos de refrigeración fácilmente disponibles. Hasta ahora, los refrigeradores de compresión de vapor convencionales se han utilizado principalmente para aplicaciones de refrigeración. Sin embargo, los frigoríficos convencionales -basados en compresión y expansión de gas- no son muy eficientes porque la refrigeración supone el 25% del consumo eléctrico residencial y el 15% comercial (Tishin, 1999). Además, el uso de gases como los clorofluorocarbonos (CFC) y los hidroclorofluorocarbonos (HCFC) tiene efectos perjudiciales en nuestro medio ambiente. Recientemente, el desarrollo de nuevas tecnologías, como la refrigeración magnética, ha traído una alternativa a la técnica convencional de compresión de gas (Manh, 2007).
Modern society largely depends on readily available refrigeration methods. Up till now, the conventional vapor compression refrigerators have been mainly used for refrigeration applications. Nonetheless, the conventional refrigerators – based on gas compression and expansion – are not very efficient because the refrigeration accounts for 25% of residential and 15% of commercial power consumption (Tishin, 1999). Moreover, using gases such as chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) have detrimental effects on our environment. Recently, the development of new technologies – such as magnetic refrigeration – has brought an alternative to the conventional gas compression technique (Manh, 2007).
يعتمد المجتمع الحديث إلى حد كبير على طرق التبريد المتاحة بسهولة. حتى الآن، تم استخدام ثلاجات ضغط البخار التقليدية بشكل أساسي لتطبيقات التبريد. ومع ذلك، فإن الثلاجات التقليدية – القائمة على ضغط الغاز وتوسيعه – ليست فعالة للغاية لأن التبريد يمثل 25 ٪ من استهلاك الطاقة السكنية و 15 ٪ من استهلاك الطاقة التجاري (Tishin، 1999). علاوة على ذلك، فإن استخدام الغازات مثل مركبات الكلوروفلوروكربون (CFCs) ومركبات الهيدروكلوروفلوروكربون (HCFCs) له آثار ضارة على بيئتنا. في الآونة الأخيرة، جلب تطوير تقنيات جديدة – مثل التبريد المغناطيسي - بديلاً لتقنية ضغط الغاز التقليدية (مانه، 2007).
- Umm al-Qura University Saudi Arabia
- University of Mentouri Algeria
Materials Science, FOS: Mechanical engineering, Room Temperature Applications, Gas compressor, Magnetization, Quantum mechanics, Environmental science, Thermal Loading, Engineering, Refrigeration, Materials Chemistry, Vapor-compression refrigeration, Thermoelectric Materials, Magnetic refrigeration, Refrigerant, Physics, Laser Cooling of Solids to Cryogenic Temperatures, Power (physics), Refrigerator car, Atomic and Molecular Physics, and Optics, Materials science, Mechanical engineering, Electronic, Optical and Magnetic Materials, Magnetocaloric Materials Research, Magnetic field, Physics and Astronomy, Power consumption, Physical Sciences, Process engineering, Thermodynamics
Materials Science, FOS: Mechanical engineering, Room Temperature Applications, Gas compressor, Magnetization, Quantum mechanics, Environmental science, Thermal Loading, Engineering, Refrigeration, Materials Chemistry, Vapor-compression refrigeration, Thermoelectric Materials, Magnetic refrigeration, Refrigerant, Physics, Laser Cooling of Solids to Cryogenic Temperatures, Power (physics), Refrigerator car, Atomic and Molecular Physics, and Optics, Materials science, Mechanical engineering, Electronic, Optical and Magnetic Materials, Magnetocaloric Materials Research, Magnetic field, Physics and Astronomy, Power consumption, Physical Sciences, Process engineering, Thermodynamics
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