کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1507947 | 993941 | 2010 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
6Â K solid state Energy Storage Unit
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
مواد الکترونیکی، نوری و مغناطیسی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
A cryogen-free cold source for temperature below 6Â K without mechanical, thermal and electromagnetic perturbations would be welcome in many sensitive applications. This article describes such a device (Energy Storage Unit-ESU) built to store 36Â J between 3Â K and 6Â K. This ESU consists of a solid state enthalpy reservoir connected to a cryocooler by a heat switch. Its different parts as well as the experimental results are presented. The choice of Gd2O2S (GOS) as high specific heat solid material for the enthalpy reservoir is discussed. Tests in different conditions were performed. A very good agreement was found between the experimental data and those predicted using the heat switch characteristics and the specific heat measurements of the GOS used in this experimental set-up. A stable 6Â K temperature was maintained during more than 50Â min in a completely silent environment. A semi-continuous operation for this cold source was successfully tested during 2.5Â h.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Cryogenics - Volume 50, Issue 2, February 2010, Pages 102-110
Journal: Cryogenics - Volume 50, Issue 2, February 2010, Pages 102-110
نویسندگان
I. Catarino, J. Afonso, D. Martins, M. Linder, L. Duband, G. Bonfait,