The performance under the fixed suction pressure for a triple-evaporator air conditioning system(AC) was studied.
对三联式空调系统在定吸气压力下的运行特性进行考察。
Control strategies featured with refrigerant suction pressure control, of the variable-speed compressor and electronic expansion valve were prop.
为此,本文以一拖三系统为例,采用集总参数法,建立起系统的动态热力学模型;同时提出了系统中变频压缩机和电子膨胀阀的控制策略,引入了吸气压力控制和以电子膨胀阀直接控制室温的思路;制定了带有调整因子的模糊控制方法;利用系统热力学模型对控制策略和方法进行仿真研究,仿真结果表明所提出的控制策略和方法是有效可行的,能取得满意的控制效果。
According to the analysis the necessity and advantage of the control of suction pressure is presented here.
仿真结果表明在一拖三VRV空调系统中进行吸气压力控制的必要性与优越性,为系统的控制方法的制定以及系统的优化设计奠定基础。
Study of Suction Temperature and Pressure Controlling Method for Refrigeration Compression Condensing Unit Performance Test SystemUniversity of shanghai for Science and Technology
压缩冷凝机组吸气温度及吸气压力精确控制的研究
Study of LabVIEW-based Fuzzy Control System of Suction Pressure for Scroll Compressor
基于LabVIEW的压缩机吸气压力模糊控制系统的设计
Before the weaning trial, the maximal inspiratory pressure (MIP) was -10 cmH2O.
在尝试脱离呼吸器之前的最大吸气压力为负10公分水柱。
Design and evaluation of measuring method for error of ventilator inspiratory pressure indication
呼吸机吸气压力示值误差的检测方法研究和评定
The Solutions of High Suction Pressure of Air Sourced Heat Pump Water Heater in Summer
空气源热泵热水器夏季吸气压力过高的解决方案
Troubleshooting of Siemens Servo 900C Ventilator
西门子Servo 900C呼吸机气路压力故障维修
Design and Realization of Pressure Alarm for BY5 (A) Positive Pressure Respirator
BY5(A)正压氧气呼吸器用压力报警器的设计及实现
in a pressurized cabin the air pressure is comfortable for breathing; cooking with pressurized steam.
在加压舱里的空气压力很适合呼吸；用加压蒸汽做饭。
Survey of Speech Anatomy, Respiratory System, Airflows and Pressures.
语音解剖学和呼吸系统的探讨、气流和压力。
Quantitative Evaluation of the Change of upper Airway Volume by CT Scan in Response to Continuous Negative Airway Pressure;
呼吸面罩内压力变化对咽气道容积的影响
The Fundamental Research of Ambient Pressure Gas-Turbine Cycle;
环境压力下吸热燃气轮机循环的基础研究
On Exhaust Device of Siphon Applied in Water Supply Line
虹吸压力输水管道高点排气装置的探讨
Effects of expiratory trigger sensitivity on respiratory mechanics in chornic obstructive pulmonary disease patients during pressure support ventilation
压力支持通气模式下呼气触发灵敏度对呼吸力学指标的影响
a room-sized chamber in which the oxygen pressure is above normal for the atmosphere; used in treating breathing disorders or carbon monoxide poisoning.
氧气的压力高于空气中氧气的压力的房间大小的室；用来治疗呼吸紊乱或一氧化碳中毒。
Respiratory symptoms can occur in two to six hours at pressures above 1 atmosphere.
当压力在1个大气压以上时，2到6个小时内会出现呼吸系统病症。
Divers must breathe compressed air to keep from being crushed by the weight, or pressure, of the surrounding water.
潜水员必须吸入压缩空气才不致受到周围海水压力的伤害。
The Analysis of the Non-axisymmetric Instability of Accretion Disk Ⅱ. Gas Pressure Domination
非轴对称的吸积盘的不稳定性分析Ⅱ.气压为主要压力
Thermodynamical Analysis on Unsteady-StageConditions of Piston Compressors─The Adiabatic Suction and Isothermal Discharge Model
活塞式压缩机的变工况的热力学分析──绝热吸气、等温排气模型