冷冻水

  • 网络chilled water;Frozen water;chw
冷冻水冷冻水
  1. 对使用VB语言编写的集中空调系统冷冻水静压控制优化软件进行了在线测试,并对测试结果进行了分析比较。

    Optimization control software of static pressure of chilled water in HVAC system based on VB language is tested online and the test result is analyzed and studied .

  2. 通过测试冷冻水、冷却水流量及其供回水温度,得到了制冷系统的COP值和冷却塔的能效;

    Through testing the flow rate of chilled water and cooling water and the supply water temperature and return water temperature , the value of COP of refrigeration system and the EER of cooling tower were gotten .

  3. 利用合成热制取PVC生产所需冷冻水

    Preparation of refrigerating water for PVC production by synthesis heat

  4. MPI网络技术在冷冻水供水自动控制系统中的应用

    The application of MPI network technology in supplying cold water automatic control system

  5. 本文以变风量(VAV)空调冷冻水系统为研究对象,以MATLAB软件为基础,通过仿真研究来证实所提出的控制方式和控制策略的可行性。

    In this paper , control method and control strategy of variable air volume ( VAV ) air conditioning chilling water system is verified by MATLAB .

  6. 最后在MATLAB中进行了仿真,通过仿真验证了模糊PID控制器比常规PID控制器对于中央空调冷冻水温度具有更好的控制效果。

    Finally we simulated it with MATLAB , the results show that this fuzzy PID controller is better than the traditional PID controller to control the temperature of the central air conditioning cooling water .

  7. 介绍了冷凝机组的系统构成与工作原理,阐述了利用单片机对系统执行器件进行控制的方法,通过PID算法完成对冷冻水的温度控制,简述了系统的多种保护,保障了系统的安全运行。

    The system architecture and work principle of a condensation system was introduced . The method of controlling executor use chip microcomputer was expatiated and temperature control to refrigerated water was done by PID arithmetic , all kinds of system protection was expatiated to ensuring system running safely .

  8. 然后分析了现有系统的可优化部分,依据MES原理搭建了冷冻水子系统的软件架构图和硬件架构图,成功的建立了冷冻水管理信息系统。

    Then analyzes some laws of the existing system can be optimized . Based on MES I build chilled water subsystem software architecture diagram and hardware architecture diagram . Finally I successfully establish the chilled water management information system .

  9. 利用数学模型分析了冷却水进口温度和质量流量、冷冻水进口温度和质量流量对带膨胀机CO2跨临界热泵系统的制冷性能系数及最佳高压侧压力的影响。

    The influence of the inlet temperature and mass flow of cooling water and the inlet temperature and mass flow of refrigerant water on refrigerant performance coefficient and optimal pressure at high pressure side of the transcritical CO2 heat pump system with expander is analyzed using the mathematical model .

  10. 采购:冷冻水产品,虾,鱼片,鱼。

    Buy : Frozen seafood , Shrimp , Fillit , Fish .

  11. 即食冷冻水产品加工过程卫生质量控制的研究

    Study on the Sanitary Quality Control of Ready-to-eat Frozen Seafood Processing

  12. 中央空调冷冻水系统一种智能控制方式的研究

    A Intelligent Control Mode Research for Chilled Water System of HVAC

  13. 我国冷冻水产品质量状况及发展前景

    The quality status and development prospect of frozen seafood in China

  14. 冷冻水二次环路系统的设计思路

    Design Method of Primary-Secondary Circuits for Chilled Water Pumping System

  15. 大厦冷冻水系统运行工况下循环压力的理论计算

    Theoretical calculations of circulating pressure of chilled water system in operating mode

  16. 中央空调冷冻水系统循环水泵的选择

    Selection of circular pump of frozen water system in central air conditioner

  17. 氨基磺酸在工业循环冷却水和冷冻水系统清洗中的应用

    The application of sulfamic acid in industrial recirculating cooling-water and freezing-water systems

  18. 一次泵冷冻水系统直接应用变频的模拟分析及工程应用

    Simulation analysis and practical application of the variable-speed single chilled water loop

  19. 冷冻水大温差对风机盘管性能影响的研究

    Influence of Large Temperature Difference Chilled Water on Fan Coils

  20. 长距离冷冻水管道输送的冷损失工程计算分析

    A Discussion of the Heat loss of Long Distance Transportation Chilled Water

  21. 空调冷冻水系统压差调节阀的选择计算

    Selective calculation of adjustive valve frozen water system in air-conditioner

  22. 几种添加剂对冷冻水产品持水性的影响

    Effect of additives on Water-holding capacity of frozen fishery products

  23. 冷冻水产品辐照杀菌工艺剂量的确定

    Confirmation of irradiation processing doses for controling microflora in frozen aquatic products

  24. 我们冷冻水的时候,水变成冰。

    When we freeze water , it turns into ice .

  25. 中央空调循环冷冻水处理剂的研究及应用

    Researches on central air conditioner refrigerating water treatment agent and its application

  26. 冷水机利用变流量冷冻水的若干设计问题

    Design issues of variable chilled water flow through chillers

  27. 空调冷冻水和冷却水循环系统水力计算简便方法

    Simple Hydraulic Calculation of the Air Conditioning Chilled Water and Cooling Water Systems

  28. 对于温度的控制是采用蒸汽盘管加热和冷冻水冷却的分程控制来实现的。

    The temperature is stage-wise controlled by adopting steam-coil heating and chilled-water cooling .

  29. 空调冷冻水系统的运行控制策略

    The Strategy of Control and Operation for Air - Conditioning Chilled Water System

  30. 冷冻水产品加工过程中细菌总数的监控对策

    The Control of Total Bacterial Number in the Process of Freezing Fillet Product