本文選題：潮流能立軸水輪機(jī) + 雙機(jī)組��； 參考：《哈爾濱工業(yè)大學(xué)學(xué)報(bào)》2017年04期

【摘要】：為研究傳統(tǒng)H型立軸水輪機(jī)的一種改進(jìn)形式即雙機(jī)組十字叉型立軸潮流能水輪機(jī)這種新型水輪機(jī)的水動(dòng)力性能,采用ANSYS-CFX模擬水輪機(jī)不同的運(yùn)行工況,對比分析雙機(jī)組十字叉型水輪機(jī)和單機(jī)組H型水輪機(jī)的水動(dòng)力性能.結(jié)果表明:雙機(jī)組水輪機(jī)比單機(jī)組水輪機(jī)效率提高將近10%;對于漲潮和落潮兩種不同運(yùn)行工況,雙機(jī)組水輪機(jī)的效率變化不大;十字叉型水輪機(jī)的推力、側(cè)向力和力矩平均值和H型水輪機(jī)相等,但其波動(dòng)幅值遠(yuǎn)小于H型水輪機(jī)的波動(dòng)幅值,這對水輪機(jī)的結(jié)構(gòu)安全、疲勞壽命會(huì)產(chǎn)生有益的影響.因此雙機(jī)組十字叉型水輪機(jī)比H型單機(jī)組水輪機(jī)有明顯優(yōu)勢,既能提高水輪機(jī)發(fā)電效率,又能保證水輪機(jī)運(yùn)行壽命.
[Abstract]:In order to study the hydrodynamic performance of traditional H type vertical shaft turbine, which is a new type of hydraulic turbine, which is a new type of hydraulic turbine, a new type of hydraulic turbine, the cross-cross vertical shaft power turbine with two units, is simulated by ANSYS-CFX under different operating conditions. The hydrodynamic performance of cross-cross type turbine and single unit H-type turbine are compared and analyzed. The results show that the efficiency of double unit turbine is increased by nearly 10% compared with that of single unit turbine, the efficiency of double unit turbine has little change under two different operating conditions of high tide and low tide, the thrust of cross fork type turbine, The mean value of lateral force and torque is equal to that of H type turbine, but its fluctuation amplitude is much smaller than that of H type turbine, which will have a beneficial effect on the structural safety and fatigue life of the turbine. Therefore, the cross cross type hydraulic turbine of two units has obvious advantages over H type single unit turbine, which can not only improve the generating efficiency of the turbine, but also guarantee the running life of the turbine.
【作者單位】： 哈爾濱工程大學(xué)深海工程技術(shù)研究中心;
【基金】：國家自然科學(xué)基金(51209060,11572094,51579055) 高等學(xué)校博士學(xué)科點(diǎn)專項(xiàng)科研基金(20122304120035) 哈爾濱市科技創(chuàng)新人才研究專項(xiàng)資金(2015RQQXJ014)
【分類號】：TK730.1

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