1)Heat transfer quantity换热量
1.It established model of heat exchange network with super structure and used individual in population to describe heat transfer quantity in each exchanger.采用超结构建立换热网络模型,以各个换热器和换热量为演化个体,以投资和运行费用最小化为优化目标,发挥粒子群的群智特点寻优计算。
2.In this paper,we established a model of HEN with superstructure and used individual populations to describe different structures of HEN,while each individual bit represents the heat transfer quantity of one exchanger.采用超结构建立换热网络模型,以不同的换热网络结构为演化个体,个体的各维分别表示各换热器的换热量,以最小总费用为优化目标,同步考虑投资和运行费用,采用遗传算法优化网络结构、粒子群算法优化换热量。
2)quantity of heat exchange换热量
1.In order to carry out more quantity of heat exchange with less pump power consuming, characteristics of plate heat exchanger and shell-tube heat exchanger were studied.三种换热器的研究结果都说明冷、热媒流量越大,换热量就越多,而流量的增加又会带来管路阻力的增加,从而造成水泵功耗的增加。
3)heat exchange amount换热量
1.And experimental installation has been built to test the heat exchange amount of underground heat exchanger.搭建实验台对埋地换热器传热量进行测试,发现室内负荷和埋管循环水流量对埋地管与土壤的换热量影响较大,利用圆柱源传热模型进行模拟验证,模拟结果与实验结果吻合较好。
4)heat exchange换热量
1.Establishes an experiment system for single U tube,double U tube and tube-in-tube heat exchangers,studies the variation of the heat exchange with time during heat pump continuous and intermittent operating separately.搭建了实验台,研究了单U形管、双U形管和套管换热器分别在热泵连续运行与间歇运行方式下换热量随时间的变化趋势。
5)heat transfer capacity换热量
1.The ground temperature distribution data and the heat transfer capacity of outside exchanger in the process of ground source heat pump were measured.测得热泵运行前后地下埋管周围土壤的温度分布,测试了热泵运行时室外换热器的换热情况,得到了单位井深换热量这一关键参数。
6)heat exchange热量交换
1.Some factors that affect the accuracy of air resistance such as the change of interal energe of air,compression of air and heat exchange between air flow and mine are discussed.应用工程热力学理论推导出矿井通风阻力的热力学计算公式 ,该公式比较全面地反映了空气内能的变化、空气的可压缩性及风流与矿井进行的热量交换等对阻力计算精度的影响 ,理论上更加完善 。
2.In order to study the variation characteristics of heat flux at Nansha and Xisha Islands in the South China Sea,the observational data from the ocean stations are calculated to obtain air-sea heat exchanges and the annual circulation of heat budget around the summer monsoon onset in 1998.为探索西沙和南沙海气热通量时间演变特征,用海洋站观测资料计算了1998年南海夏季风爆发前后,海气界面热量交换值及海面热收支年循环。
英文短句/例句
1.A research on air-sea interface heat exchange under the tropical cyclone热带气旋过程中海-气界面热量交换
2.HEAT EXCHANGE ON AIR-SEA INTERFACE OF SOUTH CHINA SEA AND EAST CHINA SEA IN 19861986年东海与南海的海-气界面热量交换
3.Study on Heat Exchange Performance of Air-to-Air Plate Heat Exchange Ventilator空气—空气板式全热交换器热量回收性能的研究
4.Heat is always given out by one substance and taken in by another when heat-exchange takes place.热交换发生时，总是某一物质放出热量，另一物质吸入热量。
5." Boiler Heat Exchange, Conduction & Intensification"锅炉热交换传热强化
6.Inverse Arithmetic and Its Application of the Heat Exchange Quantity Between Road Wall Rock and Wind Flow;巷道围岩与风流热交换量的反演算法及其应用
7.The Heat and Damp Exchange of the Hot Deep Mine Airflow and the Calculating of the Needing Air-Quantity;高温深矿井风流热湿交换及配风量的计算
8.Application of Continuous Quality Improvement in Air-conditioning Radiator Workshops;持续质量改进在空调热交换器生产车间的应用
9.fixed tube sheet type heat exchanger固定管板式热交换器
10.air-to-air heat exchanger空气-空气热交换器
11.bare-tube coil heat exchanger光板盘管式热交换器
12.heat exchangers for cooling UF冷却UF的热交换器
13.extended-surface heat exchanger扩展表面式热交换器
14.hydraulic transmission oil heat exchanger液压传动油热交换器
15.core spray heat exchanger booster pump堆芯喷淋热交换讫压泵
16.direct heat exchanger直接接触式热交换器
17.fin-tube coil heat exchanger翅状盘管式热交换器
18.Quality Control in the Production Process of Aluminum Sheets for Car Heat Exchangers汽车热交换用铝板带箔材生产过程中的质量控制
相关短句/例句
quantity of heat exchange换热量
1.In order to carry out more quantity of heat exchange with less pump power consuming, characteristics of plate heat exchanger and shell-tube heat exchanger were studied.三种换热器的研究结果都说明冷、热媒流量越大,换热量就越多,而流量的增加又会带来管路阻力的增加,从而造成水泵功耗的增加。
3)heat exchange amount换热量
1.And experimental installation has been built to test the heat exchange amount of underground heat exchanger.搭建实验台对埋地换热器传热量进行测试,发现室内负荷和埋管循环水流量对埋地管与土壤的换热量影响较大,利用圆柱源传热模型进行模拟验证,模拟结果与实验结果吻合较好。
4)heat exchange换热量
1.Establishes an experiment system for single U tube,double U tube and tube-in-tube heat exchangers,studies the variation of the heat exchange with time during heat pump continuous and intermittent operating separately.搭建了实验台,研究了单U形管、双U形管和套管换热器分别在热泵连续运行与间歇运行方式下换热量随时间的变化趋势。
5)heat transfer capacity换热量
1.The ground temperature distribution data and the heat transfer capacity of outside exchanger in the process of ground source heat pump were measured.测得热泵运行前后地下埋管周围土壤的温度分布,测试了热泵运行时室外换热器的换热情况,得到了单位井深换热量这一关键参数。
6)heat exchange热量交换
1.Some factors that affect the accuracy of air resistance such as the change of interal energe of air,compression of air and heat exchange between air flow and mine are discussed.应用工程热力学理论推导出矿井通风阻力的热力学计算公式 ,该公式比较全面地反映了空气内能的变化、空气的可压缩性及风流与矿井进行的热量交换等对阻力计算精度的影响 ,理论上更加完善 。
2.In order to study the variation characteristics of heat flux at Nansha and Xisha Islands in the South China Sea,the observational data from the ocean stations are calculated to obtain air-sea heat exchanges and the annual circulation of heat budget around the summer monsoon onset in 1998.为探索西沙和南沙海气热通量时间演变特征,用海洋站观测资料计算了1998年南海夏季风爆发前后,海气界面热量交换值及海面热收支年循环。
延伸阅读
电容换相换流器电容换相换流器capacitor commutated converters, CCC d一onrong huonx一ong huonlluq{电容换相换流器(eapacitor。ommutatedeonverters，CCC)在常规换流器的交流侧申人电容器构成换相电路的换流器。电容器一般申接在换流桥和换流变压器之间(如图1所示)。电容换相换流器可以减少换流器的无功消耗，且无功消耗基本不随直流输送有功的变化而变化，减少了换流站无功补偿设备和相应的投切开关;可以显著提高交直流系统运行的稳定性，增加抗扰动能力，减少换相失败的机率，对于连接弱交流系统其作用更加明显，还可以抑制换流阀的短路电流。由于电容参加换相，使阀尖峰电压和谐波有所增加。┌──┬──┐│5 12│凡32│├──┤ ││ │ │├──┼──┤│542 │562 │└──┴──┘ 图1电容换相换流器原理图 无功平衡在常规换流器中，换流器消耗的无功随直流输送有功的变化而变化。当直流输送额定功率时，换流器无功的消耗近似于输送有功的一半。这需要安装相应的无功补偿设备并通过不断投切无功补偿分组来保持换流母线的电压水平以及与交流系统的无功交换量，见图2(a)。无功补偿装置投切时，对交流系统产生扰动;当直流系统因故障停运时，会在换流站交流母线上产生较高的暂时过电压。 口‘p、呈之!一丝塑生乙限流器不平衡t ()叨川，) 瓜、亏:乍 ()图2人犯《P .uj滤波器为印.u》常规换流器和电容换相换流器的无功消耗(a)常规换流界，(b)电容换相换流器采用电容换相换流器后，换流站无功补偿容t可降至小于输送有功功率的15%，并且当直流抽送功率发生变化时，换流器消耗的无功变化缓慢，不偏要安装随有功变化而投切的无功补偿装皿，见图2(b).通过适当选择申联电容的容量，可以使所需的无功由几组高性能、低容量的交流滤波器来补偿，如采用连续可调交流滤波器(见换流站连续可调交流滤波装里). 动态德定性能电容换相换流器可以明显改善直流输电的动态稳定性能.电容器的申人直接影响了换相电压，使逆变侧的定关断角运行特性成为正斜率直线。而常规换流器的运行特性为负斜率直线，它和整流侧最小口角特性的交点不是一个稳定运行点(见直流堵电系统运行特性)。而电容换相换流器不存在不稳定工作点，特别是当逆变侧为弱交流系统时，其稳定性显著优于常规换流器。 在电容换相换流器中，除了交流母线电压以外，电容器提供了一个附加的换相电压。
