terminal temperature difference

In the method, terminal temperature difference is chosen to reflect the fouling state, fuzzy modeling is applied to separate the influences of both the fouling and off-design condition on terminal temperature difference.

该方法选取传热端差作为研究对象，综合考虑各因素对端差的影响，运用模糊建模技术成功实现冷凝器污脏、工况参数变化对端差影响的分离，可准确地在线监测冷凝器污脏。

Based on the matrix method, two mathematical models influenced by each extraction steam pressure loss and terminal temperature difference on thermal economy of unit are established.

本文基于矩阵法，分别建立了定流量条件下抽汽压损、加热器端差对机组热经济性影响的数学模型。

Due to the main monitoring local parameters including the main steam pressure and temperature, reheat steam temperature, back pressure, heater terminal temperature difference, etc. deviating from the design values frequently during unit practical operation, it affects unit thermal economics.

火电机组在实际运行中，其主要监控的局部参数包括主蒸汽压力、主蒸汽温度、再热蒸汽温度、背压、加热器端差等经常会偏离设计值而影响机组的热经济性。

Two important conceptions, which are called as terminal temperature difference equivalent enthalpy drops and terminal temperature difference equivalent absorbed heat coefficient, are defined in the paper.

推导过程中，定义了端差等效焓降和端差等效吸热量系数两个重要的概念。

The results indicated: decreasing in heater terminal temperature difference could improve unit economy. Whereas heater stopping or leakage would have disadvantage on economy.

结果表明加热器端差减少，机组经济性提高，而加热器停用或泄漏都将对机组经济性产生不利影响。

Analyses the effect of the enlarging regress temperature difference on the water temperature of terminal loop.

分析了加大回归温差对末端环路水温的影响。

Air accumulation in the condenser owing to insufficient output of air extractor can increase the terminal temperature difference and the air pressure component.

抽气器出力不足而引起的空气在凝汽器内积聚，使得凝汽器端差和空气分压力均增大，对凝汽器真空造成双重影响。

Analysis on Influence of Heater Terminal Temperature Difference on Economics of Heat Supply Steam Turbine Set

加热器端差对供热机组经济性影响的分析

General calculation model on the influence of terminal temperature difference on heat economy of unit

加热器端差对机组热经济性影响的通用计算模型

Evaluating exactly and fast heat economy of unit caused by heater terminal temperature difference is significant meaning for the design, operation and repair of thermodynamic system.

准确而快速地评价各级加热器端差的运行热经济性，对热力系统的设计、运行和检修具有十分重要的意义。