Optimization of operation scheme for chiller under part load 部分负荷下冷水机组运行方案的优化
Therefore, in the lower part load, the gas engine heat pump at a lower energy efficiency. 因此在部分负荷较低的情况下,燃气机单级离心泵的一次能源利用率较低。
Simulating Research on Gas Turbine and Its Combined Cycle in Part Load 燃气轮机及燃气&蒸汽联合循环在部分工况下的仿真研究
CFD application in the improvement of part load performance of air cooled condenser CFD在提高部分负荷冷凝器性能上的应用
Because of its excellent part load efficiency, many compressor unit is used mainly in the occasions for large displacement in high pressure piston compressor applications. 由于其出色的部分负荷效率,多压缩机机组主要应用于的场合为大排量中高压活塞式空压机应用领域。
The thesis also makes a study of the combustion optimization of boiler at the part load condition through testing, and draws some useful conclusions. 对电站锅炉低负荷运行(深度调峰)时的燃烧优化问题,也通过试验的方法进行了研究,得出一些有用的结论。
Moreover, this paper puts forward the requirements for the system design and the pump selection in order to ensure the normal running under part load. 并提出了为保证部分负荷下水泵正常运转,对系统设计和水泵选型的要求。
A Study of Utilizing MPC Sequential Turbocharging System for Improving Part Load Performance of a Marine Diesel Engine 应用MPC-相继增压系统改善船用柴油机低负荷性能的研究
Shell and tube heat exchanger performance under part load condition 部分负荷下的壳管式换热器性能
Energy-saving optimization operation under part load and performance analysis for air-cooled chillers 风冷冷水机组部分负荷时的节能优化运行策略与性能分析
This applying system develops in three-dimensional CAD system Pro/ Engineer, can realize automatic divide and transfer of part load in assembly environment, creates the load condition for computer analyse of part, and then establishes the whole depiction of product model. 应用系统在三维CAD软件Pro/Engineer上进行开发,实现了在装配环境内对零件载荷的自动分配和传递,为零件的计算分析创造载荷条件,形成了对产品模型的完整描述。
All this indicate that GEHP has good part load characteristic and fit for variable speed adjustment. 这说明燃气机热泵部分负荷特性好,可以很好的实现变速调节。
Part load is a usual operating condition. 部分负荷工况是制冷系统常见的运行工况。
How to specify reasonable set points for each local control variable through supervisory control during part load has great influence on system energy requirement. 当空调系统处于部分负荷时,如何通过上层控制器的优化控制管理,实时合理地给出各控制变量设定值对系统的能耗影响巨大。
Part Load Operation Characteristics and Variable Frequency Energy-Saving in Marine Air Conditioning 远洋船舶空调系统部分负荷运行特性及变频节能
The equipment of common air-conditioner system is designed according to it's high-peak amount load on a planned day, which makes the equipment run under the part load in most cases. 普通空调系统的设备配置是按设计日峰值负荷选定,这使得在大部分情况下,设备均在部分负荷下运行;
According to the characteristics of central air conditioning water system, the influence of part load should be considered when determining the water velocity in pipeline. This paper discusses the problems of improper pump selection to air conditioning system. 根据中央空调水系统的特点,提出了确定管道流速应考虑空调部分负荷运行的影响,讨论了水泵选择不当给空调系统带来的问题。
The reason of the power factor descending of screw compressor under part load operation condition was analyzed in the paper, and an improving method of reducing supply voltage synchronizing with load decreasing by a feedforward feedback control system was proposed. 本文分析了螺杆式制冷压缩机在部分负荷下功率因数下降的原因,并提出了采用一个前馈-反馈控制系统,在压缩机负荷下降时同步降低供电电压,从而提高功率因数的方法。
In this paper, the measurements about air-conditioner energy saving which includes energy efficiency ratio, room air-conditioner seasonal energy efficiency ratio and water chiller integrated part load value are analyzed. 本文分析了空调的技术节能途径包括空调机组的能效比,以及房间空调器的季节能效比(SEER)和冷水机组的部分负荷值(IPLV)。
Based on field measurement on two industrial refrigerating plants, the principles of adjusting cooling water system are proposed under part load conditions. 根据对两个工业制冷装置的实地测试和分析,提出制冷装置在部分负荷时,冷却水系统的节能调节原则。
A method of improving power factor for screw compressor under part load operation condition 提高螺杆式制冷压缩机在部分负荷下运行时功率因数的一种方法
Fast freight transport system based on ASP mode applies the thought of ASP to the fast freight industry of part load, finally this system will provide an application service of fast freight transport management. 基于ASP模式的快速货运系统是将ASP的思想应用到零担快运行业中,根据这一行业的需求开展快速货运管理应用服务。
Puts forward a concept of the compressor part load efficiency to simulate its part load energy consumption more correctly. 提出了压缩机部分负荷效率以更好地模拟制冷机组部分负荷工况下的能耗。
Study on energy saving of fan coil unit system at part load operation modes 空调部分负荷下风机盘管系统运行的节能性探讨
At part load, power and fuel economy are retained with optimal EGR ratio while NOx emission is reduced obviously. 适当比率的EGR在保持动力性和经济性的基础上,大幅度降低了NOx排放。
Studies the hourly distribution of annual cooling load and the variational law of load frequency and time frequency with part load rate by CTM, which can provide a reference for the design and the equipment choices of the HVAC system of commercial buildings. 用特征温度法研究了全年空调负荷的逐时分布、负荷频率和时间频率随部分负荷率的变化规律,这对商场空调系统设计和设备选型具有一定的指导意义。
Combining with analysis of combustion technology, this paper makes a comparison between tangentially-fired burner and swirl burner in different performance of combustion efficiency, stable ignition under part load operation and emission of NOx. 结合燃烧技术的分析,对直流燃烧器与旋流燃烧器锅炉的燃烧效率、低负荷稳燃及NOx排放性能等进行了比较。
At part load, the naturally aspirated engine. 在部分负荷时采用自然吸气方式;在外特性时采用机械增压。
It shows that fully variable hydraulic valve can replace the throttle to control engine load, it can enhance intake pressure and reduce pumping loss, especially under the part load, can improve the economic performance of the engine. 这说明,全可变液压气门机构能够取代节气门实现对发动机负荷的控制,进而增加进气压力,降低发动机的泵气损失,尤其是在中小负荷下,可以有效地改善发动机的经济性能。
So the main target of the design for the engine intake system is to improve the volumetric efficiency and reduce the pumping loss at part load. 因此,提高发动机的在全负荷工况下的充气效率,降低换气过程中的泵气损失成为现代发动机进气系统设计开发的重要目标。