Numerical simulation of computational fluid mechanics of flow field in dense medium cyclone 重介質旋流器流場計算流體力學數值模擬
Having the aid of newest achievement on computational fluid mechanic and computer simulation , to promote the study of river navigation hydraulics going to a new step has important academic significance and widely applied value 因此,借助計算流體力學和計算機模擬技術的最新研究成果,推動航道水力學研究更上一個新臺階,具有重要的學術意義和廣泛的工程應用價值。
Besides , traditional hydraulic method is commonly adopted to water surface computation in which section - averaged hydraulic parameters are used . the accuracy is quite low . it is backward comparing with modern computational fluid mechanics 此外,目前航道整治設計中水面線的計算一般都采用傳統水力學的斷面平均水力要素計算方法,精度較粗,大大滯后于當今計算流體力學研究水平。
The design and research work on the inlet turning tube had been carried out mainly based on the experiment results and working experience . with the development of computational fluid mechanics ( cfd ) , it is quilt possible to simulate the flow inside the inlet turning tube accurately and get a better understanding of the flow phenomena in the flow field to guide the design , in this paper , detained simulations of the flow fields inside two different compressor inlet turning tubes have been presented 過去國內對它的設計和研究主要借助于經驗和利用實驗手段來進行,本論文使用先進的三維氣動計算技術,借助功能強大的流場計算軟件,對壓氣機進氣彎管內部流動情況進行了詳細和準確的數值模擬,為壓氣機進氣彎管的優化設計提供更為準確的理論依據及指導原則。