作者: 吹牛需要藝術(shù) 時(shí)間: 2025-3-21 22:05 作者: 抗生素 時(shí)間: 2025-3-22 02:11 作者: CHASE 時(shí)間: 2025-3-22 05:06
Transients In Pumping Systems,nted in Chapter 3. Since the pumping head, discharge and pump speed for a centrifugal pump, are inter-dependent, transient-state speed needs to be included in the analysis. This requires special boundary conditions. These conditions are developed in this chapter. Transients caused by various pump op作者: 滔滔不絕地講 時(shí)間: 2025-3-22 09:53 作者: GUILT 時(shí)間: 2025-3-22 14:47 作者: GUILT 時(shí)間: 2025-3-22 17:41 作者: 發(fā)誓放棄 時(shí)間: 2025-3-22 22:50 作者: 周年紀(jì)念日 時(shí)間: 2025-3-23 01:57 作者: 哺乳動(dòng)物 時(shí)間: 2025-3-23 06:13
Transient Control,omical. Therefore, to develop an economical project, various devices and/or control procedures are considered to eliminate or to mitigate the effects of undesirable transients, such as excessive pressure rise or drop, column separation, pump or turbine overspeed, etc. Control devices are usually cos作者: enumaerate 時(shí)間: 2025-3-23 13:37
Leak And Partial Blockage Detection,ines are well documented [AWWA 1990; Weil 1993]. In addition to reduced flows, there may be economical losses and environmental issues. A pipeline, on the other hand, may be partially blocked due to chemical or physical deposition. Deposition of solid wastes in sewers, freezing of water in water pip作者: 常到 時(shí)間: 2025-3-23 15:00 作者: 災(zāi)難 時(shí)間: 2025-3-23 19:22
Textbook 2014Latest edition presents various methods of analysis for computer solution. The book is suitable as a textbook for senior-level undergraduate and graduate students as well as a reference for practicing engineers and researchers. The field of application of the book is very broad and diverse and covers areas such a作者: 尾巴 時(shí)間: 2025-3-24 00:37 作者: 為敵 時(shí)間: 2025-3-24 04:46
Steven Mertens,Frederik Gailly,Geert Poelsed, and a number of methods for their solution are discussed. Details of explicit finite-difference and implicit finite-difference method are then presented. This is followed by a discussion of a number of special topics on open-channel transients. The chapter concludes with a case study.作者: needle 時(shí)間: 2025-3-24 06:56 作者: ectropion 時(shí)間: 2025-3-24 13:16 作者: 縫紉 時(shí)間: 2025-3-24 16:49
Transient Control, an acceptable system response, and desired flexibility of operation is selected. An acceptable system response includes meeting the specified limits on the maximum and minimum pressures, maximum turbine or pump speed, preventing liquid-column separation, drainage of surge tank or air chamber, or the develpment of resonance, etc.作者: Eeg332 時(shí)間: 2025-3-24 22:23 作者: 發(fā)酵劑 時(shí)間: 2025-3-24 23:51
Transient Open-Channel Flows,ed, and a number of methods for their solution are discussed. Details of explicit finite-difference and implicit finite-difference method are then presented. This is followed by a discussion of a number of special topics on open-channel transients. The chapter concludes with a case study.作者: placebo 時(shí)間: 2025-3-25 04:48
erence methods and matrix methods.Includes a chapter on Two-Applied Hydraulic Transients, 3rd Edition covers hydraulic transients in a comprehensive and systematic manner from introduction to advanced level and presents various methods of analysis for computer solution. The book is suitable as a tex作者: 同謀 時(shí)間: 2025-3-25 07:45
Neta Kettler,Pnina Soffer,Irit Hadarhe velocity of pressure waves in a pipe are derived. The propagation and reflection of waves in a pipeline are discussed, followed by different approaches for the analysis of hydraulic transients. The chapter concludes with brief information on a number of accidents and incidents caused by hydraulic transients.作者: HUMID 時(shí)間: 2025-3-25 14:55
https://doi.org/10.1007/978-3-030-20618-5dures and boundary conditions presented in Chapter 3. For a hydraulic turbine, however, special boundary conditions are needed to account for the inter-dependance of turbine head, discharge, rotational speed and gate opening.作者: AIL 時(shí)間: 2025-3-25 16:24 作者: Capitulate 時(shí)間: 2025-3-25 22:04
Klaus Kammerer,Jens Kolb,Manfred Reichert the other hand, may be partially blocked due to chemical or physical deposition. Deposition of solid wastes in sewers, freezing of water in water pipelines and a jammed valve in an industrial piping system are typical examples of partial blockage in a piping system.作者: conservative 時(shí)間: 2025-3-26 02:53 作者: Pillory 時(shí)間: 2025-3-26 06:06 作者: 貿(mào)易 時(shí)間: 2025-3-26 12:29
Periodic Flows and Resonance,time instead of decaying and may result in severe pressure and flow oscillations. This condition is called .. A periodic forcing function or excitation causes the pressure and flow in the entire system to oscillate at the period of the excitation. This flow is called . or . flow.作者: 使乳化 時(shí)間: 2025-3-26 16:37
Leak And Partial Blockage Detection, the other hand, may be partially blocked due to chemical or physical deposition. Deposition of solid wastes in sewers, freezing of water in water pipelines and a jammed valve in an industrial piping system are typical examples of partial blockage in a piping system.作者: 隱語 時(shí)間: 2025-3-26 19:22
ure, and design criteria are included. This will help the design engineers and introduce the students to real-life projects. Up-to-date references are included at the end of each chapter.978-1-4939-4401-9978-1-4614-8538-4作者: Free-Radical 時(shí)間: 2025-3-26 22:43
Neta Kettler,Pnina Soffer,Irit Hadar is presented. The basic waterhammer equations relating the change in pressure due to an instantaneous change in flow velocity and an expression for the velocity of pressure waves in a pipe are derived. The propagation and reflection of waves in a pipeline are discussed, followed by different approa作者: 悠然 時(shí)間: 2025-3-27 04:39 作者: 遵循的規(guī)范 時(shí)間: 2025-3-27 08:57
Neta Kettler,Pnina Soffer,Irit Hadariscussed a number of numerical methods available for their solution. The details of the method of characteristics [Lister, 1960; Streeter and Lai, 1962; Perkins et al. 1964; Abbott, 1966, Evangelisti, 1969; Gray, 1953] are presented in this chapter.作者: HALL 時(shí)間: 2025-3-27 13:20
Toomas Saarsen,Ilia Bider,Erik Perjonsnted in Chapter 3. Since the pumping head, discharge and pump speed for a centrifugal pump, are inter-dependent, transient-state speed needs to be included in the analysis. This requires special boundary conditions. These conditions are developed in this chapter. Transients caused by various pump op作者: Cupping 時(shí)間: 2025-3-27 14:05
https://doi.org/10.1007/978-3-030-20618-5 deals with the analysis of these transients. In this analysis, the conduits and related boundaries may be simulated utilizing the computational procedures and boundary conditions presented in Chapter 3. For a hydraulic turbine, however, special boundary conditions are needed to account for the inte作者: BIAS 時(shí)間: 2025-3-27 17:51 作者: Autobiography 時(shí)間: 2025-3-27 23:26 作者: 中國紀(jì)念碑 時(shí)間: 2025-3-28 02:28 作者: 玷污 時(shí)間: 2025-3-28 06:15 作者: 不能平靜 時(shí)間: 2025-3-28 10:46 作者: 保守 時(shí)間: 2025-3-28 15:56
Klaus Kammerer,Jens Kolb,Manfred Reichertines are well documented [AWWA 1990; Weil 1993]. In addition to reduced flows, there may be economical losses and environmental issues. A pipeline, on the other hand, may be partially blocked due to chemical or physical deposition. Deposition of solid wastes in sewers, freezing of water in water pip作者: 黑豹 時(shí)間: 2025-3-28 19:31
Steven Mertens,Frederik Gailly,Geert Poelsaving a free surface is considered open-channel flow even though the channel may be closed at the top, e.g., a tunnel flowing partially full. A number of common terms are defined, and the examples of transient flows are presented. The dynamic and continuity equations describing these flows are deriv作者: 禍害隱伏 時(shí)間: 2025-3-29 00:24
Toomas Saarsen,Ilia Bider,Erik Perjonstinuity and momentum equations. Some authors call a simplified form of the latter, the equation of motion or the dynamic equation. These equations are a set of partial differential equations since the flow velocity and pressure in transient flow are functions of time as well as distance.作者: Corporeal 時(shí)間: 2025-3-29 05:10
Neta Kettler,Pnina Soffer,Irit Hadariscussed a number of numerical methods available for their solution. The details of the method of characteristics [Lister, 1960; Streeter and Lai, 1962; Perkins et al. 1964; Abbott, 1966, Evangelisti, 1969; Gray, 1953] are presented in this chapter.作者: 搖擺 時(shí)間: 2025-3-29 09:05
Ilia Bider,Khaled Gaaloul,Pnina Soffer in the steam generators. For this purpose, steam is passed around a large number of small-diameter tubes through which cooling water, or coolant, is pumped. These tubes are contained in a large chamber, known as a ..作者: conceal 時(shí)間: 2025-3-29 15:07
Ilia Bider,Amin Jalali,David S?derstr?m their length (Fig. 7-1). The pumping head of these stations mainly covers the friction losses in the pipeline. In a mountainous terrain, however, gravity lift may be required in addition to the friction losses.作者: ornithology 時(shí)間: 2025-3-29 16:57 作者: 侵略者 時(shí)間: 2025-3-29 21:00
Transient-Flow Equations,tinuity and momentum equations. Some authors call a simplified form of the latter, the equation of motion or the dynamic equation. These equations are a set of partial differential equations since the flow velocity and pressure in transient flow are functions of time as well as distance.作者: Conduit 時(shí)間: 2025-3-30 03:10
Characteristics and Finite-Difference Methods,iscussed a number of numerical methods available for their solution. The details of the method of characteristics [Lister, 1960; Streeter and Lai, 1962; Perkins et al. 1964; Abbott, 1966, Evangelisti, 1969; Gray, 1953] are presented in this chapter.作者: 你不公正 時(shí)間: 2025-3-30 05:12
Transients In Cooling-Water Systems, in the steam generators. For this purpose, steam is passed around a large number of small-diameter tubes through which cooling water, or coolant, is pumped. These tubes are contained in a large chamber, known as a ..作者: 言外之意 時(shí)間: 2025-3-30 09:49 作者: 撤退 時(shí)間: 2025-3-30 12:28
