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倒锥参数对气举式水力旋流器分离性能的影响
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作者 李枫 刘俊达 +3 位作者 邢雷 李新亚 关帅 雷东伟 《化工机械》 CAS 2024年第5期702-709,共8页
利用单因素试验设计方法,针对气举式水力旋流器倒锥参数,开展不同参数下的性能优化研究。利用数值模拟方法,对不同倒锥高度、注气直径和注气速度下的流场特性及分布规律进行分析。结果表明,当倒锥高度为130 mm、注气直径为1.8 mm、注气... 利用单因素试验设计方法,针对气举式水力旋流器倒锥参数,开展不同参数下的性能优化研究。利用数值模拟方法,对不同倒锥高度、注气直径和注气速度下的流场特性及分布规律进行分析。结果表明,当倒锥高度为130 mm、注气直径为1.8 mm、注气速度为3.5 m/s时,分离效率达到最佳,较优化前提高了0.98%。对比倒锥参数优化前后的气举式水力旋流器油核分布形态,优化后油核均在倒锥结构上方形成,促进了旋流器分离性能的提升,验证了倒锥参数优化对气举式水力旋流器的重要性。 展开更多
关键词 水力旋流器 倒锥结构 参数优化 油水分离性能 数值模拟
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Discussing tuina for atlantoaxial subluxation in adults based on the theory of‘tendon-bone balance’ 被引量:2
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作者 liu jun-da Li Jian-hua +2 位作者 Hu Bing-lin Shao Sheng Zhang Hao 《Journal of Acupuncture and Tuina Science》 CSCD 2021年第4期278-283,共6页
According to Chinese medicine,the atlantoaxial joint is a composite joint composed of tendons and bones,and the stability of the joint depends on the‘tendon-bone balance’involving tendons,ligaments,atlas and axis.Mu... According to Chinese medicine,the atlantoaxial joint is a composite joint composed of tendons and bones,and the stability of the joint depends on the‘tendon-bone balance’involving tendons,ligaments,atlas and axis.Multiple causes of‘tendon off-position,joint subluxation’will lead to joint‘tendon-bone imbalance’,which will evolve into atlantoaxial subluxation(AAS),endangering human health.Chinese therapeutic massage(tuina)is a very effective treatment for AAS in adults,but conventional manipulations are prone to ineffectiveness or accidents due to neglect of the causal relationship of the‘tendon-bone imbalance’and inappropriate manipulations.Compared with conventional manipulations,the rational choice of modified manipulations under the guidance of‘tendon-bone balance’theory is more effective and less risky,and more worthy of clinical promotion.From the‘tendon-bone balance’theory,we considered the shortcomings of conventional manipulations,and introduced several modified manipulations that have their own strengths in‘tendon smoothing’and‘bone setting’,in order to provide new ideas for treatment of AAS in adults. 展开更多
关键词 TUINA Massage Tendon-bone Balance Atlantoaxial Joint Tendon Off-position Joint Subluxation Spinal Fine Adjusting CHIROPRACTIC
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