• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文会议>Congres International du Froid de I'IIF >AN HYBRID FORMULATION FOR FAST EXPLICIT CALCULATION OF THERMODYNAMIC PROPERTIES OF PURE REFRIGERANTS
【24h】

AN HYBRID FORMULATION FOR FAST EXPLICIT CALCULATION OF THERMODYNAMIC PROPERTIES OF PURE REFRIGERANTS

机译：一种杂种配方，用于快速明确计算纯制冷剂热力学性质

获取原文
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

When simulating refrigeration systems or equipments, knowledge of refrigerant thermodynamic properties is required. Frequently, during the simulation, these thermodynamic properties have to be determined a large number of times and sometimes their calculation is required within iteration loops. Even though the traditional equations of state have the ability to yield all of the thermodynamic properties, these formulations present the disadvantage of their low computational speed and that most of the thermodynamic properties equations are implicit and require iterations. In this paper a hybrid formulation for the calculation of thermodynamic properties of pure refrigerants is presented. Separate equations are used to model different regions and properties. Explicit individual formulations are used to model some properties which are used to predict other thermodynamic properties through differentiation. Explicit formulations can be obtained for all the thermodynamic properties of interest, which assures a fast and stable calculation. As an example the equations for R22 refrigerant are presented in the paper.
机译：在模拟制冷系统或设备时，需要了解制冷剂热力学性质。通常，在模拟期间，这些热动力学特性必须确定大量次，有时在迭代环中需要它们的计算。即使传统的状态方程具有产生所有热力学性质的能力，这些制剂呈现了它们的低计算速度的缺点，并且大多数热力学性质方程是隐含的并且需要迭代。本文提出了一种用于计算纯制冷剂热力学性质的混合制剂。单独的方程式用于模拟不同的区域和属性。显式个体制剂用于模拟一些属性，其通过差异化来预测其他热力学性质。可以获得兴趣的所有热力学性质的显式制剂，其确保了快速稳定的计算。作为一个示例，纸张中的R22制冷剂的等式。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号