r23

System Simulation and Experimental Study of Auto-Cascade Refrigeration with R23 / R134a

R23/R134a自然复叠制冷循环系统模拟与实验研究

Some key problems of design of R404A / R23 cascade refrigeration unit

R404A/R23复叠制冷机组设计中的几个关键问题

Experimental study on a new absorption refrigeration cycle using r23 + r32 + r134a as working pair

以R23+R32+R134a/DMF为工质对的新型吸收制冷循环实验研究

In this thesis , the auto-cascade refrigeration cycle with R23 / R134a mixed refrigerant is studied and analyzed both in theory model and experiment .

以上优势使得自然复叠系统具有研究和开发的价值。在R23/R134a混合工质物性的基础上，本文编写自然复叠模拟程序，分析输入参数对自然复叠内循环的影响。

The cascade refrigeration unit using R404A / R23 as refrigerant can achieve low temperature , - 80 ℃, and has the advantage of environmental protection .

以R404A和R23为制冷剂的复叠制冷机组，不但满足了制取-80℃的低温要求，还具有环保的优点。

In this paper , a three-stage auto-cascade refrigeration cycle is developed with R134a / R23 / R14 and the experimental system is setup .

本文提出一种三级自动复叠的制冷系统，搭建了相应的研究装置，采用R134a/R23/R14混合制冷剂，对试验装置和混合制冷剂组分的优化试验。

According to the result from this calculation , an enthalpy-composition diagram was plotted , which supplies important data for thermophysical properties and cycle analysis of R134a / R23 .

根据计算得到的R134a/R23热物性数据，绘制了工程上广泛使用的二元混合工质的焓-浓度图，为基于该混合工质的循环计算，提供了重要的基础数据。

This paper presents a new auto-refrigerating cascade cycle that employs a rectifying column . A thermodynamic analysis of the cycle is conducted with R134a / R23 as working fluid .

本文提出了一种新的具有精馏装置的自动复叠式制冷循环，并以R134a／R23为制冷剂。

Two-stage auto-cascade refrigeration system is developed with R600a / R23 , the characteristics of temperature change in the course of temperature decreasing process have been analyzed in different proportion of refrigerant mixture .

以R600a/R23两级自动复叠制冷系统为例，研究了不同配比条件下，制冷系统中的特征点温度在降温过程中变化特性。

Enthalpy-composition Diagram Plotting for R134a / R23

混合工质R134a/R23焓-浓度图的绘制

The auto-cascade diffusion absorption refrigeration cycle which employed DMF as the absorbent , and R134a & R23 as the refrigerant owns the advantages of the traditional one , but also the ability to produce cooling capacity at even lower temperature .

采用DMF为吸收剂、R134a/R23作为制冷剂的自行复叠扩散吸收制冷循环，不仅具有传统扩散吸收制冷的优点，还可以制取更低温度的冷量。

The refrigerator , employing self-cascade refrigeration system and non-azeotropic mixture refrigerant R600a / R23 , can provide two stages of evapo - rating temperatures and can reduce the temperature difference during heat transfer in fridge compartment .

该冰箱采用自复叠制冷循环和非共沸混合工质R600a/R23，可以同时提供-40℃和-10℃两级蒸发温度，减小了冷藏室的传热温差。

R134a / R23 is a new refrigerant mixture and friendly to environment . In this research , the vapor-liquid equilibrium , enthalpy , and entropy of this mixture were calculated based on Peng-Robinson ( PR ) equation of state ( EOS ) .

使用PR（Peng-Robinson）方程对混合工质R134a/R23进行了气液相平衡的预测和焓、熵的计算。

In this paper experimentation study on a low-temperature freezer , which applying auto-cascade refrigeration cycle with binary refrigerants of R22 / R23 , has been done . Exergy analytical model of each component in this apparatus is established and exergy flow of each component is analyzed .

对一采用R22/R23自动复叠的低温冷柜进行了试验研究，建立该装置各部件火用分析模型并分析各部件火用流情况。