1) blackbody cavity
黑体空腔
1.
This paper presents the application of a blackbody cavity-based continual temperature measurement system at the Steelworks to realize a continual temperature measurement of liquid steel in the tundish,and expounds its working principle.
介绍了炼钢厂利用黑体空腔式钢水测温系统实现了中间包钢水温度的实时连续检测,阐述了其工作原理。
2.
The important performance of it is the uniformity of the temperature distribution of the blackbody cavity and the maximum difference of temperatures from the base to 150 mm along the wall is only 2～4 ℃,The accuracy of the built blackbody cavity has been e.
报道用ＳｉＣ作为发热体的圆筒形黑体空腔黑体炉的研制及其黑体空腔精度的评价，其工作温度范围是７００～１４５０℃，在国内填补了１１５０～１４５０℃温域的空缺。
3.
Integrated emissivity of compound temperature sensor is not equal to unit, because of the non-isothermalness and non-airtightness of actual blackbody cavity.
复合测温传感器所形成的实际黑体空腔具有“不等温”和“非密闭”的特点 ,其积分发射率不能简单看作 1。
2) black body cavity
黑体空腔
1.
Continuous temperature measuring device for liquid steel in CC tundish by black body cavity;
连铸中间包黑体空腔连续测温
2.
The present paper describes the theoretical base, structural principle, calibration method, results of tests and analysis as well as on site application conditions of the black body cavity based continuous temperature measuring system for hot metal temperature measurement.
描述了黑体空腔式钢水连续测温系统的理论基础、结构原理、校验方法、测试结果分析和现场应用情况。
3.
Presents two factors of black body cavity′s accuracy according to Kirchhoff′s law,and gives a theoretical equation of these factors.
根据基尔霍夫理想黑体“腔体密闭性”和“腔体等温性”两项原则，提出由腔体密闭和等温程度所决定的黑体空腔精度两个分量的新概念，并给出这两个分量的理论公式。
3) on-line blackbody cavity
在线黑体空腔
1.
In view of that the on-line blackbody cavity cannot satisfy the physical model of Kirchhoffs ideal blackbody and is featured radiatively with non-airtight and non-isothermal,a model is developed to compute the effective and integral emissivites of on-line blackbody cavity and applied to measuring continuously the temperature of liquid steel in CC tundish.
基于在线黑体空腔理论,提出了一种新型的钢水连续测温方法·针对在线黑体空腔不满足基尔霍夫理想黑体物理模型,具有"非密闭"和"不等温"的辐射特性,建立了在线黑体空腔有效发射率、积分发射率的计算模型,并应用于中间包钢水连续测温系统中·实践表明,该方法具有较高性能价格比,测量误差≤±3℃,测温管寿命可达20～40h,测温成本与现行的快速热电偶实际消耗相当或略低,同时低于铂铑热电偶连续测温,是取代现行钢水间断式测温的较好方法
4) dual-cavity blackbody cavity
双孔黑体空腔
5) hohlraum
['həul,rɔ:m]
黑体辐射空腔
6) blackbody cavity
黑体腔
1.
Research on characteristic parameter of sapphire fiber blackbody cavity transient high temperature sensor measurement system;
蓝宝石光纤黑体腔瞬态高温传感器测量系统特性参数研究
2.
The extrapolation model which describes the transient heat transfer in blackbody cavity is established after analyzing the heat transfer law of blackbody cavity.
利用基于普朗克黑体辐射定律的蓝宝石黑体腔光纤传感器是测量这类温度的有效方法。
补充资料：空腔
分子式：
CAS号：
性质：(一)用于产生黑体辐射的实验室装置。通常作为与红外辐射光源进行比较的标准。由闭合金属管内部涂黑组成，在管的一端平板上开一个窄缝，当管子被加热时，由狭缝射出的辐射，从实际上和理论上均与预期的黑体辐射相同。(二)在掩模版安装保护膜工艺中，在被安装的保护膜框架面积内，光掩模板与光学透明薄膜之间的未填充空间。
CAS号：
性质：(一)用于产生黑体辐射的实验室装置。通常作为与红外辐射光源进行比较的标准。由闭合金属管内部涂黑组成，在管的一端平板上开一个窄缝，当管子被加热时，由狭缝射出的辐射，从实际上和理论上均与预期的黑体辐射相同。(二)在掩模版安装保护膜工艺中，在被安装的保护膜框架面积内，光掩模板与光学透明薄膜之间的未填充空间。
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参考词条