The result shows that, with less effect on differential performance, surge amplitude, and decay rate of the surge tank, the arrangement of interconnecting holes at rational positions with proper sizes can effectively decrease the differential pressure on breast wall (from over 30 m down to 20 m below) and ensure the safe operation of the surge tank, and it is beneficial to gate control.

結(jié)果表明欧美黄色视频抽抽，在保證了調(diào)壓室的差動(dòng)性能男女啪啪无遮挡GIF动态图、涌浪幅度和衰減速度的同時(shí)91精品国产自产在线观看永久∴，在胸墻上設(shè)置位置和尺寸合理的連通孔，可以有效降低胸墻結(jié)構(gòu)承受的壓差亚洲A片不卡网站，由超過30m的較大壓差降低至20m以下，保證調(diào)壓室的安全穩(wěn)定運(yùn)行酒色色色网站，且有利于閘門的控制。

Based on the differential surge tank commonly used in long-distance diversion hydropower stations, in which interconnecting holes with rational cross sectional area were arranged at different elevations of breast wall between outer chamber and gate shaft used as a riser, a study was made on the influences of interconnecting holes on the differential performance and differential pressure of the surge tank, and further surge analysis was performed through a case study.

對(duì)于長(zhǎng)引水式水電站常用的差動(dòng)式調(diào)壓室，分析了其兼作升管的閘門井和大井之間的胸墻在不同高程上布置的面積合理的連通孔干干操操免费视频，對(duì)調(diào)壓室的差動(dòng)性能和壓差的影響，并結(jié)合實(shí)際算例進(jìn)行涌浪分析国产免费福利网站。

Casson's fluid ; surge pressure ; oil wells ; model ; annular space

卡森流體；波動(dòng)壓力69国产A片；油井；模式欧美aaaa黄片免费看；環(huán)形空間

Combined with the surge-chamber ground swell calculation of some plants, get the numerical value of the influence of the superimposition and the superpose time; From the calculation of the plate pressure difference of the throttled surge chamber, analyze the numerical value of the influence of the superimposition on it.Chapter 5: Based on the analytic calculation of water hammer, indicate the linear pressure distribution in the diversion pipe system and the calculation operation of its maximum numerical value, combined with some project instances, analyze the the influence of the superimposition on it behind and before the surge-chamber.Chapter 6: Summarize the whole paper, and present the future research directions and emphasis.

結(jié)合具體電站的調(diào)壓室涌浪計(jì)算亚洲区一区，得到波動(dòng)疊加帶來的影響大小及疊加時(shí)間；并從阻抗式調(diào)壓室底板壓差的計(jì)算出發(fā)欧美在线视频在线播放a免费观看，分析波動(dòng)疊加對(duì)底板壓差的影響大小及疊加時(shí)間；第5章久久精品精品久久，在前人對(duì)水擊壓力的解析計(jì)算的基礎(chǔ)上，闡述水電站引水發(fā)電系統(tǒng)中水擊壓力分布及其最大壓力對(duì)應(yīng)的計(jì)算工況欧美老妇女性爱网站，結(jié)合工程實(shí)例，分析調(diào)壓室前后把女人弄爽特黄a大片软件，波動(dòng)疊加對(duì)沿程壓力分布的影響及其大?1大神大战。坏?章www.caopor.com，總結(jié)全文，提出今后研究的重點(diǎn)和方向国产激情,亚洲。

The comparison with the conventional surge tank for a hydropower station with long tailrace tunnel shows that the damping type surge tank with air hole possesses the advantage of higher minimum water level in surge tank with little variation of negative pressure at the outlet of spiral case.

以西南地區(qū)帶有尾水調(diào)壓室的某大型水電站為例進(jìn)行制氣式和常規(guī)開敞式兩種調(diào)壓室方案的比較計(jì)算午夜理理伦，計(jì)算結(jié)果表明，采用制氣式調(diào)壓室可使蝸殼出口最低負(fù)壓并沒有顯著變化的同時(shí)提高調(diào)壓室的最低水位黄a视频全免费在线观看，從而減小工程量，節(jié)約投資午夜福利国产精品久久超碰。

Due to the influence factors including geological conditions, the pressure of water curtain, air pressure in surge chamber and properties of rock masses and so on are taken into account, the water-air two-phase flow model proposed in this paper may provide a new idea for the design and remediation of the air-cushioned surge chamber.

由于水-氣二相流模型可以充分考慮調(diào)壓室地質(zhì)條件久久久久精品国产三级，水幕的壓力九九国产精品色婷婷，氣室氣壓及圍巖性質(zhì)等因素的影響亚州日韩制服丝袜图片，為空氣損失評(píng)估、水幕設(shè)計(jì)及對(duì)漏氣嚴(yán)重的調(diào)壓室進(jìn)行修補(bǔ)提供了新的研究思路亚洲激情第二页。

The process of frequency fluctuation in the hydropower station with surge tank is impacted both by high-frequency water pressure wave and low-frequency water level fluctuation in surge tank.

在負(fù)荷變化和擾動(dòng)過程中影音先锋欧美性爱色资源，設(shè)調(diào)壓室水電站機(jī)組頻率受到壓力管道內(nèi)水擊壓力波和調(diào)壓室內(nèi)水位波動(dòng)的共同作用。

Beijing Municipal Institute of Hydraulic Engineering Planning Design and Research,Beijing 100044,ChinaAbstract:Daning Surge Tank,the surge structure of the Channel of the South-to-North Water TransferProject,connects the PCCP pressure pipe on upper course,and the water delivery underdrain on lower course with the function of adjusting the pressure and the flow rate of water delivery and the function of recession,which is important to the security of the project and the water delivery.

大寧調(diào)壓池是南水北調(diào)中線工程北京段總干渠上的調(diào)壓建筑物免费在线不卡av，上游連接PCCP壓力管道一边摸一边捅，下游連接鋼筋混凝土低壓輸水暗涵，具有調(diào)節(jié)供水壓力欧美一级人与嘼视频免费播放、供水流量和退水功能，對(duì)保證工程安全和供水安全具有重要作用91香蕉视频羞羞视频。

For preventing the pressure surge occurred when the pump stops in long conduit system, measures of installing air inlet and relief valves to prevent pressure surge are presented.

對(duì)長(zhǎng)管道系統(tǒng)停泵產(chǎn)生的壓力涌浪提出了裝設(shè)進(jìn)排氣閥的防護(hù)措施，建立了進(jìn)排氣閥的特征線方程老熟妇仑乱一区二区，并對(duì)特征線方程的求解進(jìn)行了討論，將這種防護(hù)措施用于某供水泵站91第四色国产在线视频，從計(jì)算結(jié)果來看進(jìn)排氣閥較好地抑制了液柱分離的產(chǎn)生，有效地控制了系統(tǒng)中的壓力驟增亚洲无码乱伦精品。

The fore bay of Heihe Longhui Hydropower Station designed by the company, is the existing biggest tunnel fore bay in China, which is height of 21m, width of 16m; for the large-span dome of surge tank of Baishuijiang Shiji Hydropower Station, which is the first project equipped with rapid-drop gate in surge tank in Gansu Province, the company adopted pre-stressed anchor cable to complete the dome's excavation and supporting at the same time, thus reduced the completion period and investment; for the diversion tunnel of Fuchuan Hydropower Station, which is the biggest non-pressure diversion tunnel in Gansu Province, with span of 9m, height of 11m, the company adopted half-tunnel supporting structure, thus reduced the project investment.

黑河龍匯水電站前池是目前國(guó)內(nèi)最大的洞內(nèi)式前池亚洲a级毛片电影，跨度16m亚州欧美一级性交、高度21m；白水江石雞水電站調(diào)壓井大跨度穹頂采用預(yù)應(yīng)力錨索技術(shù)黄片一级二三级，分瓣開挖一次支護(hù)完成，節(jié)省了工期和造價(jià)，同時(shí)是省內(nèi)第一座在調(diào)壓井內(nèi)設(shè)置快速閘門的工程午夜免费福利视频；福川水電站引水隧洞是甘肅省內(nèi)最大的無壓引水隧洞，跨度9.0m人人妻人人插超碰，高度11m，采用半洞支護(hù)結(jié)構(gòu)国产精品久久无码AV、国产理伦片午午，在滿足安全的前提下節(jié)省了工程投資。