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1)  average temperature of supply and return water
供回水平均温度
1.
The average temperature of supply and return water should be choose as the most reasonable controlled parameter in auto-control system of centralized heat-supply.
在集中供热的自动控制系统中 ,被控参数选取供回水平均温度最为合理。
2)  supply and return water temperature
供回水温度
1.
This paper probes into the technical measures for improving the economy of the hot water heating from two aspects of the supply and return water temperature and the specific pressure drop, and expounds the paths for improving the economy of hot water heating from the angle of operation management.
从供回水温度和比压降两方面探讨了提高热水供热经济性的技术措施,并从运行管理角度论述了提高热水供热经济性的途径。
2.
Applying the correction coefficient of heat load, the formula on supply and return water temperature in variable temperature control with varied flow is corrected.
应用热负荷修正系数,对变流量质调节供回水温度公式进行了修正。
3.
Deduces the adjustment formulas of supply and return water temperature and relative flow for both primary and secondary circuits, and gives corresponding adjustment curves with calculating examples.
推导了一、二次网侧供回水温度及相对流量的调节公式 ,并结合算例给出了相应的曲线 ,就供热参数的控制进行了讨
3)  CHCP
供/回水温度
1.
the combined heating, cooling and power (CHCP) system of Beijing is studied here, high temperature water generated by two cogeneration plants circulates through a network between the plants and heat substations.
结合北京第一热电厂、北京第二热电厂所属供热系统,分析在夏季具有冷负荷和生活热水负荷时,热网参数,即供/回水温度,对热电冷联供系统一次能耗的影响。
4)  temperature of supply and return water
供水与回水温度
5)  optimal temperature of water supply and backwater
最佳供、回水温度
6)  determining temperatures of water supply & return
供回水温度确定
补充资料:对数平均温度差
分子式:
CAS号:

性质:指两流体换热时,其两端(换热前后)温度差Δta,Δtb的对数平均值Δtlm=当两流体都没有相变、传热系数可取为常数时,逆流或并流时的传热对数平均温度差即为△tlm;在折流等复杂的情况时,需作校正——将作为逆流求得的△t1m,乘上小于1的系数(系数可查阅传热专业书中的图表)。

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