The gas permeation power would be dependent on the gas pressure gradient and the gas expansion pressure would be dependent on the gas absolute pressure. 瓦斯的渗透力取决于瓦斯压力梯度,而瓦斯膨胀压力取决于瓦斯绝对压力。
Vibration cylinder pressure sensor is a kind of absolute pressure sensor with many merits such as high precision, stable, wide working temperature, low power, anti-vibration, impact resistance. 振动筒压力传感器是一种具有测量精度高、稳定性好、工作温度范围宽、低功耗、抗震动、耐冲击等优良性能的绝对压力传感器。
Research on Some Key Techniques of Manifold Absolute Pressure Sensor in Vehicle Motor 汽车发动机进气歧管压力传感器关键技术的研究
Calculation of Inlet Absolute Pressure of Water-circle Vaccum Pump 水环真空泵选型设计中泵入口绝对压力的计算
Not the absolute pressure. 而不是绝对压力。
There is no connection between the pressure measurement of the absolute pressure gauge and the fluctuation of the atmospheric pressure. Therefore, the gauge is suitable for measuring gas and liquid. 网友解答:1、绝压压力表的压力测量与大气压的波动无关,适合测量气体和液体。
The technology research of flexible film to high temperature absolute pressure sensor Research of Ultrasonic Inspection Technique of Steam Turbine on Blade Root in Nuclear Power Plant 一种高温绝压传感器弹性膜片技术研究核电厂汽轮机低压转子叶片叶根超声检测技术
Manifold absolute pressure ( map) sensor test 歧管绝对压力(MAP)感知器测试
Intrinsically Safe Gage and Absolute Pressure Sensors: Suited for a wide variety of oilfield measurements requiring gage or absolute pressure measurements. 具有内在安全性的表压和绝压传感器:适用于要求进行表压或绝压测量的各种不同的油田测量应用。
Regarding the inlet pressure, the absolute pressure() or gauge pressure() shall be indicated. 进口压力还要注明是绝对压力()还是表压力()。
ABSOLUTE PRESSURE, Pressure of a liquid or gas measured relative to a vacuum. 相对于真空(无压力)测得的液体或气体的压力。
An Improved Model and Temperature Sensitivity Analysis of a Capacitive Absolute Pressure Sensor 电容式绝对压力传感器的改进模型及温度特性分析
Development on diaphragm capacitance absolute pressure transducers 电容薄膜式绝对压力变送器的发展
Vibrating pressure transducer can be used to measure absolute pressure of air, and have excellent stability and accuracy, so it is in large used in Meteorology, Aviation and Space, Prospecting, Military and manufacturing. 振动筒压力传感器感受气体的绝对压力,用来测量空气的压力值。其有着稳定性极好,精度高的特点,广泛用于气象、航空航天、勘探、军事、制造业等领域,需求量与日俱增。
In this paper, we design a set of electric absolute pressure meter with digital display, which is high in measuring pressure. And it has functions of digital display and analog voltage output, and can provide absolut pressure voltage signals for automatic check and control system. 本文中,我们设计了一套数显电子绝对气压计,其分辨率高,测压准确可靠,具有数字显示,模拟电压量输出功能,能为自动检测控制系统提供绝对气压电压信号。
The prerequisite for cavitation is that there exists an area in which absolute pressure is lower than or equal to vaporization pressure. 流场中具有绝对压强小于或等于汽化压强的区域是射流空化的必要条件;
The leakage-measuring methods in pneumatic technology were introduced, and the basic theory of absolute pressure measuring method was given in detail, which offers a reference for application in engineering. 简要介绍了气动技术中常见的气体泄漏检测方法。其中详细介绍了绝对压力检测法的理论基础。
Literature synthesis The altitude oxygen supply with the low absolute pressure, simplify partial pressure suit, elevated positive pressure breathing for anti-G and molecular sieve oxygen generation system, and their relation with third generation fighter were introduced. 资料综合重点介绍了与高空供氧低总压、简化服装、加压呼吸抗过载和机载分子筛制氧有关研究进展,及其与第三代战斗机的关系。
Secondly, the rate of wood drying under vacuum-floating increases coupled with the temperature of medium, the reduction of absolute pressure, and the raise of fluctuation rate of frequency. 木材的浮压干燥速率随着干燥介质温度的增加、绝对压力的减小和浮动频率的加大而增加。
The research of protective physiology on oxygen equipment of aviation is summed up as altitude higher absolute pressure protection, altitude lower absolute pressure protection and protective physiology studies on the airborne molecular sieve oxygen generating system. 将我国航空供氧装备生理研究归结为:高空高总压供氧防护高空低总压供氧简化装备防护和机载分子筛制氧防护生理研究三大部分。
Though vapor lock of swing arm and cavitation bubble collapse of pump indicate different objects, they have same physical significance, i. e., they all indicate the same physical phenomena of the absolute pressure of liquid less than its saturated vapor tension. 鹤管气阻与泵汽蚀所指的对象不同,但两者具有相同的物理意义,都是指当液体介质的绝对压力小于其实时饱和蒸气压时所体现的物理现象。
Results show that the stability for transferring errors of pressure and temperature measurement is mainly determined by the matching of absolute pressure and temperature sensitivity, or it is related to the condition number of the coefficient matrix. 结果表明,传感器对压力与温度测量误差传递的稳定性主要取决于对压力与温度传感绝对灵敏度的配系,即与系数矩阵条件数大小有关。
A high accuracy pressure gauge has been developed, a diffused silicon absolute pressure transducer was used as sensing element, and theory of the absolute pressure gauge and the measures of temperature compensation for improve the accuracy of the gauge were introduced in detail. 采用扩散硅绝对压力传感器为检测部件,研制出高精度绝对压力计,重点介绍绝对压力计的工作原理及为提高仪表精确度所进行的温度补偿。
Based on the working principle of touch mode capacitive pressure sensor, the structure of the circular membrame of absolute pressure sensor is designed and optimized for the application of barometers. 针对大气测量的气压计应用,根据接触电容式压力传感器的工作原理,优化设计了绝对压力传感器的圆形膜结构。
The system firstly collects the differential pressure, absolute pressure and temperature signals through sensors flow accumulation. Then, the analog signals are converted into digital signals through A/ D conversion, which are sent to the microcontroller to be disposed and calculated. 首先通过传感器采集流量积算所需的差压、绝压和温度信号,再通过A/D转换器将模拟量转变为数字量,由微控制器进行处理、积算。
Certain types of pressure sensors, in particular, absolute pressure sensor, is no longer the same as before, using the unified approach to calibration is not suitable, and the calibration is becoming complicated and diverse. 某些类型的压力传感器,特别是绝压传感器,已经不能像以前一样使用统一的方法来校准,校准工作变得复杂多样。
By converting the pressure difference between valve systems working in different strokes into absolute pressure, the speed damping characteristics of the model was obtained, and then it was compared with the experimental data in order to analyze the accuracy and shortcomings of the model. 将不同行程中阀系两端的压力差转化为绝对压力,得出模型的速度阻尼特性,与实验所得图形进行对比,分析模型的正确性及存在的不足。
When cranking speed increased, the drop rate of intake manifold absolute pressure ( MAP) is enhanced, resulting in poor control of in-cylinder mixture, therefore, the combustion and emission deteriorate significantly. 结果发现提高拖动转速造成起动过程进气压力变化率升高,使得精确控制缸内混合气浓度更加困难,导致燃烧和排放恶化。
Through observing variation of absolute pressure, vapor volume fraction and velocity magnitude in flow field, mechanism of ultrasonic cavitation and influence factors are investigated. 通过观察流场内的绝对压力、汽含率以及流体速度的变化,分析了超声空化的发生机理和影响因素。