At present, method of thermal current meter, hotbox method, infrared thermal perturbation of the external walls in China are main methods to measure the heat transfer coefficients. 现阶段,热流法、热箱法,热红外摄像仪法是我国测量外墙传热系数的主要方法。
Quartz crystal differential thermometer thermal demand meter 石英晶体差示温度计
Because the value of Seebeck Coefficient of the semiconductor thermoelectric materials could be many times of the metals ', the thermal power meter has high sensitivity, so that higher test precision could be gained for conversion efficiency of thermoelectric unicouple. 半导体温差电材料的塞贝克系数可以是金属的几倍,因此温差电热流量计的灵敏度高,热电转换效率的测量可以获得较高精度。
Taking an experiment on the single-cylinder four-stroke engine SD1110 connected with the partial flow thermal gas meter directly, and monitoring the output waveform on the real time. 将分流量热式流量计直接安装单缸四冲程SD1110发动机进气道上进行试验,监测到此时流量计的输出波形。
Calibration Program Design of Thermal Meter in a Central Heat Supply System CUI 集中供热系统热计量表的标定程序设计
Geotherm-ⅱ model thermal conductivity meter of steady-state divided bar type& a precise rock thermal conductivity measuring device 地热Ⅱ型稳定分棒式热导仪岩石热导率精密测量装置
Based on a developed single-point thermal gas-mass flow meter, a multi-point thermal gas-mass flux testing method is presented, which aims to measure the gas-mass flow rate in the large-and-middle-scale pipeline or irregular pipeline. 在已研制单点热式气体质量流量计的基础上,针对目前大口径或不规则管道气体质量流量测量中存在的问题,提出了基于多点测量的热式气体质量流量测试方法。
The Geotherm-ⅱ Model rock thermal conductivity meter is designed and modified from the Geotherm-ⅰ Model absorbing a series of advanced features of the similar apparatus in the United States and France. 地热-Ⅱ型岩石热导仪是在地热-Ⅰ型基础上,参考美、法同类装置的性能特长,改型设计研制而成的。
According to heat loss of thermal network pipes per meter stated by nation, thickness of thermal insulating layer varying with thermal conductivity of insulating material and temperature of working pair is studied by numerical calculation. 在国家规定的热网管道的每米热损失下,其保温层厚度随着保温材料的导热系数及工质温度的不同而不同。
It is also shown that adequate pouring amount is critical to ensure the measurement accuracy of the thermal analysis CE meter. 操作时保证热分析试样具有足够且波动小的浇注量和合适的浇注温度是提高碳当量仪成分分析精度的关键。
New Automotive Thermal Air Flow Meter Based on Micro, silicon 基于微硅片的新型车用热膜式空气流量计
YRD high temperature and high pressure program control rock thermal conductivity meter 两种典型升压程序的金刚石成核特性YRD型高温高压程控岩石热导仪
A Portable In-situ Wall-rock Thermal Conductivity Meter For Mine Pits The design of the new-style numerical thermal-detector 一种便携式井巷岩壁原位热导仪新一代数字化热导仪的设计
In order to calibrate the thermal mass air flow meter by the method of standard flow meter, this paper designs a suit of thermal flow meter's calibration test-bed. 设计了一套热式流量计的标定试验台,用标准流量计法,对热式流量计进行标定。
For simplicity, the above designed structure model and the apparatus that process its signal output was named as partial flow thermal gas meter in this paper. 为简单起见,本文作者将整个分支管测流结构加上其后的信号输出处理装置称为分流量热式流量计。
Design of Detector on DDZ Thermal Meter Based on Single Chip Microcomputer 基于单片机控制的DDZ型热工仪表检测仪的设计
Development of Intelligent Thermal Gas Mass Flow meter 智能热式气体质量流量计的研制
Transformation from knowledge-oriented education into competency and knowledge-oriented education& Practicing and thinking of educational renovation for the teaching of the course Thermal Meter and Automation 从单纯知识本位向知识本位与能力本位并重转变&《热工仪表及自动化》课程教学改革的实践与思考
The method of online detecting thermal efficiency of steam-injection boilers based on intelligent meter are presented. 提出一种基于智能仪表的注汽锅炉热效率在线检测方法。
On the base of analysis and comparison, the thermal conductivity type of gas meter was considered the most promising field fumigant concentration detector. 经过比较分析,热导气体检测仪被认为是最有应用前途的现场熏蒸剂气体浓度检测仪。
The paper presents an experimental study of the two kinds of partial flow thermal gas meter, the results show that the partial flow meter has the same output and temperature characteristics with the small thermal meter installed on the branch. 将设计出的两种分流量热式流量计进行试验校核,其输出特性与分支管上微桥热式流量计的输出特性基本相同,具有线性输出,而且输出不受温度、压力的影响。
The cryogenic thermal conductivity of polyurethane foam from 100 k down to 6 k was measured using a flat-plate thermal conductivity meter. 针对被测试样聚氨脂塑料硬泡沫的低温性能,采用平板热导仪[1],用稳态法测量其低温热导率。
Study on the Characteristics of Thermal Mass Flow Meter and Its Curve Fitting 热式质量流量计特性曲线及其拟合方法的研究
The New Generation of Thermal Mass Flow meter 新一代热式质量流量计
Thermal Mass Flow meter and Its Application 热质量流量计及其应用
In the end, the author selected one kind of micro-bridge thermal mass airflow meter on the side branch by comparison. 通过对比,最终选定微桥热式质量流量计作为分支管上的流量计。
The experimental prototype of thermal tracer flow meter is designed and fabricated, dynamic experiment is done on the multiphase flow in horizontal wells experimental system. 设计并加工了热示踪流量计的实验样机,在水平模拟井多相流实验系统上进行了动态模拟井实验。