The characteristic of which thermal air flow sensor can directly measure air mass flow is used,a hot-wire air flow sensor which can be applied to intake system for an internal combustion engine is designed.
利用热式空气流量传感器直接测量空气质量流量的特点,设计了一种应用于测量内燃机进气系统进气量的热线式空气流量传感器。
Design and realization of 12319 urban constructional service hotline systems;
12319城建服务热线系统的设计与实现
Objective: To analyze the data from Shanghai Hotline through 1990 to 2000, which focused on the callers who suffered from mental illness, and to find out any indications for further practice in the new century.
目的:分析热线电话咨询中的精神障碍求询者的资料,旨在了解精神疾患问题在电话咨询中的特点。
By means of hot wire and the dynamic analyzer, some dynamic characteristics of the flow around a special structural blunt have been investigated experimentally.
在低速自由射流风洞上 ,利用热线及相关设备对由半球头部、颈部及旋成体构成的特型钝体周围非定常流动的基本特性、联合特性及湍流度分布进行了测试与分析 ,实验工况为迎角α=- 1 5°～+1 5°、侧滑角 β =0°～ 1 0°。
At the exit section of the intake six Renolds stresses are measured with X hot wire probe,which is rotatable around its longitudinal axes.
在研究中利用“Ｘ”双斜丝探头测量了低速下埋入式进气道出口截面上六个雷诺应力分量沿径向和周向的分布，继而把两个单丝热线探头分别置于进气道的进、出口，通过ＣＦ－９２０频谱仪分析两个动态信号的自功率谱和互相关性质。
In this paper the flow field in swirler is measured by five-hole probe, hotwire and LDA.
叙述了分别采用五孔探针、热线和激光三种流场测量方法测量旋流器模型内的流场分布情况,并得出基本一致的实验结果,从而为旋流发生器的设计提供理论依据。
A constant-current hotwire flowmeter for measuring tiny gas flow was researched.
研制了测量微小气体流量的恒流型热线式流量计，对电路进行了设计与研制。
Method to measure inflow of engine based on sensor of hot line flux;
基于热线流量传感器的汽车发动机进气量测试方法