1) Equivalent Enthalpy Drop
等效热降
1.
Diagnosis on the economy of regenerative heater based on Equivalent Enthalpy Drop Theory;
用等效热降法诊断回热加热器的经济性
2.
The heat efficiency of different mode of drainage recycling is calculated and analyzed by heat balance method and equivalent enthalpy drop method in this paper,which provides the quantitative date for thermodynamic system energy.
本文通过热平衡法和等效热降法对不同疏水回收利方式的热效率进行了计算比较,为热力系统的节能改造提供定量数据支持。
3.
Steam turbine exhaust enthalpy is known in calculation using the equivalent enthalpy drop method.
等效热降法计算中需要预先已知汽轮机的排汽焓,而对于凝汽式汽轮机,其排汽状态点常处于湿蒸汽区,排汽焓不能准确测定,从而导致等效热降法计算结果产生误差。
2) equivalent heat drop
等效热降
1.
An example is given on the new 300MW air cooling unit,which is studied by using a positive balance and counter-balance methods respectively,the characteristics and calculation results for the methods are compared to demonstrate that equivalent heat drop has an greatly advantage in increasing unit s performance and conducting local energy loss analysis,and raising energy saving measures.
以新型300MW空冷机组为例,分别使用正平衡、反平衡及等效热降方法对机组进行分析,这几种方法的特点和计算结果对比表明,等效热降法在机组性能及局部进行能损分析,提供节能改造手段等方面具有明显的优势。
2.
The quantitative calculation and analysis of the thermal economy for the steam feed water pump system were performed using the theory of equivalent heat drop.
应用等效热降理论,对热经济性进行了定量计算分析。
3.
This paper descrsibes the analysis and comparison between different technical innovations for decrease exit gas temperature of boiler №2,analyses and computes the economic efficiency quantitatively with the method of equivalent heat drop.
本文对华能威海电厂为降低 2号炉排烟温度所采用的技术改造方案进行分析比选 ,并用等效热降的方法对改造后的经济效益进行了定量分析及计
3) equivalent heat drop method
等效热降
1.
By a strict mathematic derivation, a matrix expression form of the extraction steam efficiency in constant Equivalent heat drop method, is derived, and the equivalence between normal energy balance method and Equivalent heat drop method, has been proved.
采用严格的数学推导,推导出了定热量等效热降法中抽汽效率的矩阵表达形式,证明了其与常规热平衡的一致性。
2.
In this paper the authors apply equivalent heat drop method to the steam-water flow distribution calculation for the secondary-cucirt thermodynamic system of PWR power plant,based on the normal energy balance method.
以常规热平衡方法为基础,将等效热降法应用于压水堆核电机组二回路热力系统汽水流量的分配计算,计算结果与常规热平衡法完全相同,并可简捷快速地计算出热力系统连接方式以及局部参数变化对汽水流量分配的影响,为压水堆核电机组二回路热力系统应用热力学第二定律进行定量分析奠定了基础。
3.
Combined with q-γ-τ matrix equation, the paper constructed the mathematics model of temperature difference of heater for absorbed heat by mathematics derivation strictly, and pointed out that correlative model in equivalent heat drop method is approximated.
结合q-γ-τ矩阵方程,采用严格的数学推导,构建了加热器端差对再热器吸热量影响的数学模型,指出等效热降法中加热器端差对再热器吸热量影响的数学模型只是该模型的近似解。
4) Equivalent enthalpy drop method
等效热降法
1.
Combining with the requirement of unit energy-saving reformation,based on the theory of equivalent enthalpy drop method,the influence of temperature difference between heater terminals and steam extraction pressure loss on the thermal efficiency of the regenerative heating system of an introduced 300 MW unit was analyzed quantitatively.
结合机组节能改造需要,基于等效热降法理论,定量分析了加热器端差和抽汽压损对某引进型300MW机组回热系统热经济性的影响。
2.
Then,based on the improved ideal cycle thermal efficiency,equivalent enthalpy drop method is improved,and the ideal equivalent enthalpy drop method is proposed.
然后,基于改进的理想循环热效率,对常规的等效热降法进行了改进,提出了理想等效热降法的概念及其计算方法。
5) equivalent heat drop principle
等效热降原理
6) extraction steam equivalent heat drop
抽汽等效热降
1.
Based on linear algebra theory,with deeply study of equivalent heat drop theory,a matrix method of calculating each extraction steam equivalent heat drop is given as to the fussy calculated process of traditional method.
各级抽汽等效热降的传统算法比较繁琐,通过深入研究等效热降理论,应用线性代数理论导出了一种求取火电厂热力系统抽汽等效热降的矩阵算法,利用该方法能够迅速准确计算出不同热力系统各级抽汽等效热降,具有很好的通用性。
补充资料：热降
分子式：
CAS号：
性质：工质在理想热机中绝热膨胀开始和完结时的热含量的差值：h0=i1-i2。
CAS号：
性质：工质在理想热机中绝热膨胀开始和完结时的热含量的差值：h0=i1-i2。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条