1) underheating
欠热
2) subcooled boiling
欠热沸腾
1.
Two kinds of thermodynamics quality at onset of nucleate boiling with subcooled boiling were calculated for force circulation by using Bergles and Rohesenow method or Davis and Anderson method,and natural circulation by using Tsinghua University project group s empirical equations suggested in our natural circulation experiment at same condition.
利用适于强迫循环的伯格尔斯和罗斯诺经验方法、Davis和Anderson理论方法,以及本课题组依据自然循环实验提出的预测欠热沸腾起始点的经验公式,对两种类型的欠热沸腾起始点的热力学平衡干度进行比较计算,研究自然循环的欠热沸腾起始点的基本特性。
2.
Experimental investigation on the subcooled boiling heat transfer was carried out in a vertical up-flow double narrow annulus with 1.
5 mm环形窄通道实验段竖直向上流动的欠热沸腾传热特性进行了实验研究,得出了适用环形窄缝通道的欠热沸腾传热经验关系式。
3.
Several models for calculating the initial points of subcooled boiling were introduced.
介绍了国外几个典型的计算流动欠热沸腾起始点的模型 。
3) Sub-cooled boiling
欠热沸腾
1.
The anal-ysis shows:①Sub-cooled boiling,condensation and flashing play an important role on the flow instabil-ities in a natural circulation system,and have connection with lots of instabilities,which is different to the forced ci.
在实验的基础上分析了低压低干度自然循环系统中欠热沸腾、冷凝、闪蒸、以及汽空间压力等因素对两相流动不稳定的影响,并与沸水堆条件下的情况作了比较。
4) under hardening
欠热淬火
5) underheated
欠热的
6) underheating emission
欠热发射
参考词条
补充资料：负温度系数热敏电阻陶瓷(见热敏陶瓷)
负温度系数热敏电阻陶瓷(见热敏陶瓷)
thermo-sensitive ceramics with negative temperature coefficient
负温度系数热敏电阻陶瓷thermo一sensitiveeeramies with negative temperature eoeffieient在某一特定温度范围，电阻率随温度的升高而明显减小的热敏陶瓷。简称NTC陶瓷。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。