non uniform flow 中文意思是什麼

non uniform flow 解釋
變速流
  • non : adv 〈拉丁語〉非,不是 (=not)。 non assumpsit 【法律】被告否認契約的答辯。 non compos mentis ...
  • uniform : adj 1 (形狀、性質等)一樣的,同一的;一致的;相同的。2 一貫不變的;始終如一的。3 規格一致的,均...
  • flow : vi 1 流,流動。2 (血液等)流通,循環。3 流過;川流不息;(時間)飛逝;(言語等)流暢。4 (衣服、...
  1. This paper presents a design method of propeller blade section operating in non - uniform flow field and an idea of equivalent operating curve with unchanged cavitations characteristic on blade section, the method for selecting the curve is set up

    摘要給出了非均勻流場中螺旋槳槳葉剖面的設計方法,提出了保持剖面空泡特徵不變的等效運轉曲線的思想,並創建了等效運轉曲線的確定方法。
  2. So far as the aqueduct with large discharge and lower head is concerned, the non - uniform flow will occur in the aqueduct, when the discharge is enlarged after the water - carrying section being determined based on the design discharge and the given head ; for which the flow condition must be presumed, so as to determine the water surface profile

    摘要大流量低水頭渡槽根據設計流量和給定水頭確定過水斷面后,通過加大流量時,渡槽內就會發生非均勻流,需對這種水流情況進行推算,以確定渡槽在通過加大流量時的水面線。
  3. In the pseudo - time region, high efficient lu - sgs scheme was used in time - marching. cases with uniform or non - uniform inlet stagnation pressure and with or without tip - gap flow were studied. computed results showed that complex structure vortex appeared and secondary flow occurred in the flow of cascade with tip - gap

    對進口總壓均勻或總壓周向虧損(模擬上游尾跡) 、葉尖無間隙或有間隙等三種不同情況的流場計算結果,進行對比分析發現,流場中廣泛存在流動分離、分離渦以及二次流,這是引發非定常擾動的根源。
  4. The fractal model of the effective thermal conductivity in granular flow with non - uniform particles

    混合顆粒流分形模型及相關有效熱傳導的分析
  5. The prediction of propeller - induced hull pressure fluctuation in non - uniform flow is studied by using theoretical calculation and model experiment systematically. an intact method and computer program for the prediction of unsteady cavitating propeller - induced hull pressure fluctuation in non - uniform flow is set up in this paper. the measurement of propeller induced hull pressure fluctuation in depressurized towing tank carried out in this paper is the first time inland

    本文從理論計算和模型試驗兩個方面系統地研究了不均勻流場中螺旋槳空泡誘導的船體表面脈動壓力的預報問題,建立了一套完整的預報非定常空泡螺旋槳誘導的船體表面脈動壓力的方法和程序,並在國內首次完成了在減壓拖曳水池中進行空泡螺旋槳誘導的船體表面脈動壓力測試。
  6. In this paper, the two - phase flow behaviors of gas - solid circulating fluidized bed have been first studied by analysing experimental data. then, based on fractal theory wavelet package analysis ( wpa ) de - noising method was used to denoise solids concentration and pressure fluctuation signals. the solids concentration signals have also been investigated by wavelet multi - resolution analysis and wavelet package decompose, contributed to disclose the non - uniform flow structures of gas - solids phase

    然後將基於分形理論的小波包消噪方法用於顆粒濃度和壓力波動去噪,並對氣固流化床中的顆粒濃度信號進行了小波多分辨分析和小波包多尺度分解,從新角度揭示了氣固流態化系統的非均勻氣固兩相流動結構。
  7. Combining with practical investigation and analysis, the author presented the fitting equation of the second non - uniform coefficient in which the method of least squares error approximation with the power index regression is used and proposed a modified formula for flow rate per second calculation to precisely determine the size of pipeline and to make the design advanced in technology and reasonable cost

    本課題分析了室外和室內的設計流量公式,通過調查、實測本地區的水量資料,運用相關數學方法分析,提出了適合小區給水管網採用的流量公式。
  8. This design system is suitable for the high speed ship with oblique flow and fat ship with the highly non - uniform flow field, and it is very valuable in the practical application

    本設計系統適用於船尾流場為斜流的高速船和船尾流場及不均勻的肥大船,具有極高的實用價值。
  9. Since hess and smith invented panel method in 1962, panel method has been widely used as a tool for potential flow calculations, such as one order panel method, high order panel method, b - spline and non - uniform rational b - spline based panel method ( nurbs )

    自從1962年hess和smith提出面元法以來,面元法已經被廣泛用作為勢流計算的工具,並且已經有了很大的發展。如一階面元法、高階面元法、 b樣條方法及非均勻有理b樣條方法等。
  10. In fact, the outlet flow of vane in the hydroelectric set is non - uniform flow for a variety of possible reasons. the flow is unsteady flow relative to vane and blade, and it is the main factor that affect self - excited vibration and dynamic characteristic of guide vane and hydraulic - turbine, which affect directly the power set to run safely and stably

    非均勻來流相對于導葉、葉片必然是一種非定常流。這種非定常流造成導葉和轉輪葉片的激振,是產生導葉和葉片動應力,改變它們頻率的最主要因素,而導葉和葉片的動力特性直接影響水輪機的穩定性。
  11. The contrasting analysis is carried out against approximate calculation, numerical simulation and the real measuring result of flow - in direction stress along the die - entrance in the rectangular drawing. it is considered that in the condition of non - uniform solution, part calculation has credibility to some extend

    摘要針對矩形盒拉深中凹模口流人方向應力的近似計算、數值計算和實際測量結果進行了比較分析,認為在尚未得到統一解的情況下,分割計算具有一定的可信度。
  12. A computer method of steady non - uniform gradual varied flow in open channel amp; in river

    明渠恆定非均勻漸變流水面曲線的計算機演算法
  13. Using fluid analyze software, the 3d turbulent flow is stimulated based on navier - stokes equations and k - model. the turbulent flow through axial flow pump impeller is simulated by using the non - uniform triangle mesh system and the finite volume method. calculated results are presented at the design operating condition for the impeller in detail, which give a valuable reference to improve the performance of the impeller

    最後,應用cfx流體分析軟體,基於n - s方程和標準-紊流模型,採用非結構化網格技術,用聯立求解各變量代數方程組的方法對設計工況下的軸流泵葉輪內部的三維紊流場進行了詳細的數值計算與分析,並預測其性能。
  14. Influence relation of non - uniform flow to variety of transport rate was first gained

    首次得出了非恆定流影響輸沙率變化的關系。
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