突擴(kuò)式水躍躍后水深的分析與計(jì)算
本文選題:突擴(kuò)式水躍 切入點(diǎn):邊墻反力 出處:《長(zhǎng)江科學(xué)院院報(bào)》2017年05期 論文類型:期刊論文
【摘要】:突擴(kuò)式消力池常見于多孔水閘和泵閘結(jié)合的水利樞紐,其水躍躍后水深的計(jì)算是一個(gè)無(wú)法回避的問(wèn)題。由于突擴(kuò)式水躍水流的復(fù)雜性,對(duì)其躍后水深的理論研究尚不成熟與完善。根據(jù)已有文獻(xiàn)的試驗(yàn)資料,對(duì)前人常用研究方法所得的突擴(kuò)式水躍躍后水深成果進(jìn)行了定量分析與比較。結(jié)果表明,當(dāng)邊墻反力對(duì)應(yīng)的壓強(qiáng)水頭等于躍前水深和躍后水深的平均值時(shí),其計(jì)算的躍后水深與實(shí)際更加相符。通過(guò)建立繞流阻力新模型,結(jié)合已有文獻(xiàn)的實(shí)測(cè)資料,給出了突擴(kuò)式水躍繞流阻力系數(shù)的計(jì)算公式,提出了突擴(kuò)式水躍躍后水深計(jì)算的新方法,并對(duì)其準(zhǔn)確性和通用性進(jìn)行了驗(yàn)證。
[Abstract]:The sudden expansion stilling pool is often used in the hydraulic project where the porous sluice and pump sluice are combined. The calculation of the water depth after the water jump is an unavoidable problem, because of the complexity of the sudden expansion water jump flow. The theoretical study on the water depth after the jump is not mature and perfect. According to the experimental data of the existing literature, the results of the research on the water depth after the sudden expansion of the jump are quantitatively analyzed and compared. The results show that, When the pressure head corresponding to the reaction force of the side wall is equal to the average of the water depth before the jump and the depth after the jump, the calculated water depth after the jump is more consistent with the actual situation. By establishing a new model of flow resistance around the wall, combining with the measured data of the existing literature, A formula for calculating the resistance coefficient of a sudden expansion type water jump is given, and a new method for calculating the water depth after a sudden expansion type water jump is put forward, and its accuracy and generality are verified.
【作者單位】: 浙江省水利水電勘測(cè)設(shè)計(jì)院;
【分類號(hào)】:TV135.2
【相似文獻(xiàn)】
相關(guān)期刊論文 前10條
1 鄧紹云;;樁基繞流阻力特性研究現(xiàn)狀與展望[J];水運(yùn)工程;2006年09期
2 鄧紹云;;樁柱水流繞流阻力特性及其計(jì)算[J];中國(guó)港灣建設(shè);2007年01期
3 褚君達(dá);賓漢流體的觸變性及球體繞流阻力[J];水科學(xué)進(jìn)展;1995年01期
4 鄧紹云;邱清華;;有限深度均勻水流中樁柱阻力測(cè)試研究[J];人民黃河;2010年02期
5 楊紀(jì)偉;付曉麗;;圓柱繞流研究進(jìn)展[J];中國(guó)水運(yùn)(下半月);2008年05期
6 陳愛華;楊星;;樁群繞流阻力物理模型試驗(yàn)測(cè)量技術(shù)研究[J];水道港口;2009年02期
7 鄧紹云;寧東衛(wèi);邱清華;;有限深度均勻水流中圓柱阻力測(cè)試研究[J];灌溉排水學(xué)報(bào);2009年04期
8 鄧紹云;邱清華;;有限深度均勻水流中方柱阻力測(cè)試研究[J];紅水河;2009年03期
9 肖煥雄,熊盛立;立堵截流混凝土四面體的繞流阻力研究[J];水利學(xué)報(bào);1987年10期
10 ;[J];;年期
相關(guān)會(huì)議論文 前1條
1 熊淵;黃社華;楊湘隆;;有限雷諾數(shù)圓球繞流阻力特性和環(huán)狀渦形態(tài)的數(shù)值研究[A];水力學(xué)與水利信息學(xué)進(jìn)展 2009[C];2009年
,本文編號(hào):1605989
本文鏈接:http://sikaile.net/kejilunwen/shuiwenshuili/1605989.html