欢迎登录材料期刊网

材料期刊网

高级检索

本文建立了以无相互作用1/2自旋系统为工质的不可逆量子布雷顿制冷循环模型,循环由两个等磁场过程和两个不可逆绝热过程组成.模型考虑了热阻、内摩擦、旁通热漏三种不可逆损失.应用有限时间热力学理论、量子主方程和量子半群方法,本文导出了该制冷机的循环周期、制冷率和制冷系数.应用数值计算和图例,给出了量子布雷顿制冷机的制冷率和制冷系数最优性能,并分析了量子摩擦和旁通热漏对其最优性能的影响.

参考文献

[1] Bjarne Andresen .Current Trends in Finite-Time Thermodynamics[J].Angewandte Chemie,2011(12):2690-2704.
[2] Feldmann T.;Kosloff R. .Performance of discrete heat engines and heat pumps in finite time[J].Physical review.E.Statistical physics, plasmas, fluids, and related interdisciplinary topics,2000(5 Pt.a):4774-4790.
[3] Wu F;Chen L;Sun F;Wu C;Guo F .Optimal performance of an irreversible quantum Brayton refrigerator with ideal Bose gases[J].Physica Scripta: An International Journal for Experimental and Theoretical Physics,2006(5):452-457.
[4] Wu F;Chen LG;Wu S;Sun FR .Performance of an irreversible quantum Ericsson cooler at low temperature limit[J].Journal of Physics, D. Applied Physics: A Europhysics Journal,2006(21):4731-4737.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%