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two-fan
相关语句
  双风机
     Determination of Centrifugal Fan's Position Parameters of Two-Fan Cylinder Screen Cleaning Unit
     双风机圆筒筛清选机构离心风机位置参数的确定
短句来源
     Testing Research on Flow Field of the Two-Fan Cylinder Screen Cleaning Mechanism
     双风机圆筒筛清选机构内流场的试验研究
短句来源
     Influence of Cross Flow Fan’s Position on Function of the Two-fan Cylinder Screen Cleaning Unit
     横流风机位置对双风机圆筒筛清选机构性能的影响
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  相似匹配句对
     Two.
     二.
短句来源
     Two.
     二、末日意识
短句来源
     Two results on g-functions
     关于g-函数的两个结果
短句来源
     Fan,C.
     Fan,C.
短句来源
     Voluteless Fan
     无蜗壳箱体风机
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The object in view of this article is to apply 《The coordinate points function of the equidistants airway characteristics (to express by symbol E.A. C.)》in deter-mining the E. A. C. of any individual fan, when working togather with other fans in different kind of ventilation networks: The E. A. C. of a fan when treated toge-ther with The E. A. C. of any other fan, operating in combination, will be able to obtain the operating point of that fan. Because this function establishes conjunction of operations of fans,...

The object in view of this article is to apply 《The coordinate points function of the equidistants airway characteristics (to express by symbol E.A. C.)》in deter-mining the E. A. C. of any individual fan, when working togather with other fans in different kind of ventilation networks: The E. A. C. of a fan when treated toge-ther with The E. A. C. of any other fan, operating in combination, will be able to obtain the operating point of that fan. Because this function establishes conjunction of operations of fans, so that the function can help us to solve problems related to any works in combination.For illustrating the application of this method, this article aims to solve the following problems as some concrete examples.1. When three fans are working in parallel under complex or other conditions, to establish diagroms of E. A. C. for fan.2.When two fans are working in parallel, to establish Law of《How the coor dination points of E. A. C. vary with the working condition>.3.The reasonable condition which assuxe each fan in parallel working steadily,economically and will show its true individual operating-point value.4.The mothod of regulating fans when not working steadily to a steady condition.5. The method of choosing fans for working in parallel.

本文提出了利用《等值网路特性坐标点方程》来建立处于各种情况下联合工作的诸风机中任何一个风机的等值网路特性的方法.此特性和相应的风机特性的交点,即为该风机工况点.鉴于这个方程式建立了各风机工况之间的关系,从而可以利用这个方法来研究多风机联合工作的有关问题. 本文具体地研究了: 1.三台风机处于复杂的对角式通风系统中联合工作以及其他方式联合工作时,各个风机的等值网路特性; 2.两台风机并联工作时,等值网路特性随工作条件变化而变化的规律; 3.保证风机并联工作时的单值、稳定和经济工作的条件; 4.把风机从不稳定调整到稳定工作的方法; 5.选择处于并联工作的风机的方法.

In China,Qingdao is one of the main coastal cities opening to the outside world.In order to fully play the role of their economic benefits for its western coast and make great efforts to creat key conditions of the “two fan-shaped faces” to meet the needs for our open policy of the so- called“introduction from outsides”and“combination through insides”,this article puts forward a“golden coast”planning assumption submitting to experts and leaders concerned for discussion.

青岛是我国主要沿海开放城市之一,在海岸带开发利用规划中应从城市和地区经济、社会发展的需要出发,敞开“大门”、打开“窗户”,努力创造“两个扇面”枢纽的条件,以适应“外引”、“内联”、“改革”、“开放”的需要。笔者认为,胶州湾沧口水道东侧、青岛市区西侧的海岸是青岛近期急待开发的“黄金海岸”。然而,从青岛市城市总体规划中对这段海岸的海滩进行回填后的规划方案分析,并不能充分发挥该段海岸的经济效益,甚至有制约我市经济发展的可能,因此,提出“黄金海岸”规划构思,与有关专家和领导商榷。

This paper describes the main problems of ventilation systems in large coal mines and it puts forwards a feasible transformation proposal.It deals with the principles,mathematic model,block diagram,function of FVP-77 computer pro- gram,and possibility of calculating ventilation system in large coal mines.Two ventilation systems in №.5 mine were calculated with FVP-77 program on M- 6809 computer for optimization.Technical and economic indices were obtained after comparisons were made in aspects of technical rationalization,safety...

This paper describes the main problems of ventilation systems in large coal mines and it puts forwards a feasible transformation proposal.It deals with the principles,mathematic model,block diagram,function of FVP-77 computer pro- gram,and possibility of calculating ventilation system in large coal mines.Two ventilation systems in №.5 mine were calculated with FVP-77 program on M- 6809 computer for optimization.Technical and economic indices were obtained after comparisons were made in aspects of technical rationalization,safety relia-bility and economics.finally,an optimal ventilation system was proposed,i.e.a diagonal ventilation system in two flanks using two fans simultaneously.

本文论述了大型矿井通风系统存在的主要问题及可行的改造方案。介绍了 FVP-77电算程序的原理、数模、框图和功能。并说明了它解算大型及特大型矿井通风系统的可行性。通过应用 FVP-77程序,在 M-6809微机上对五矿两个通风系统优化解析后,在技术合理性、安全可靠性和经济性等方面进行比较,得出了技术经济指标。最后确定了该矿井的最优通风系统方案:两台风机同时工作的两翼对角式通风系统。

 
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