環流管道 的英文怎麼說
中文拼音 [huánliúguǎndào]
環流管道
英文
circulating line- 環 : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 管 : Ⅰ名詞1 (管子) pipe; tube 2 (吹奏的樂器) wind musical instrument 3 (形狀似管的電器件) valve;...
- 道 : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
- 環流 : [氣象學] circulation; circulating current; circumferential motion; circular current; ring current...
- 管道 : [工業] pipeline; channel; tunnel; piping; canalis; pipe run; duct; conduit; conduit pipe; ducting...
-
Determination of power - law flow field in annulus line with piv technology
技術測量冪律流體在環空管道內的流場The ledo road and the pipeline went through some mostly uninhabited areas of burma with some of the most difficult terrain in the world, including tropical rain forest, torrential streams, terraces and canyons, jungle - covered mountains and swampy valleys
利多公路和輸油管道線經過一些緬甸的主要是無人區的地段,這些地段有著世界上極端困難的地理環境,如熱帶雨林、急流、階面和峽谷、布滿叢林的山脈和多沼澤的河谷。Employing perturbation method and numerical simulation, we study the flow in rotating helical pipes including different rotations, different cross sections ( circular, elliptical, annular and square cross section ), and different geometrical structures
採用攝動方法和數值計算方法,研究了處于多種旋轉狀態下、多種截面形狀(圓截面、橢圓截面、環形截面、矩形截面) 、不同幾何結構旋轉螺旋管道流動。Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed
本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上,以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型,通過攝動方法和有限體積法,首次對各種截面(圓截面、橢圓截面、環形截面、矩形截面)旋轉曲線管道內充分發展流動的流動結構和傳熱特性(包括耦合對流傳熱特性)以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析,詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響,獲得了若干創新性成果。Thermoplastics piping systems. non - end - load - bearing elastomeric sealing ring type joints between pressure pipes and moulded fittings. test method for leakightness under internal hydrostatic pressure without end thrust
熱塑料管道系統.壓力管和模塑配件的合成橡膠密封環型接合.在無軸向推力時內部流體靜力學壓力下密封性試驗方法This system has some functions as following : first, statistic analysis and valuation of the spatial distribution of beijing traffic noise ; second, real - time simulation of the affection that is traffic noise in residential area ; third, previewing statues and standards of environmental noise ; fourth, management of spatial data and property data ; fifth, alternant querying of spatial data and property data ; sixth, inputting graphs and tables. we can build accurate and identical channels of information ' s coming, accelerate the circulation rate of environmental information, and increase the efficiency of environmental information resources by studying and implementing metropolitan environmental noise management information system. meanwhile, it can reduce the burden of these environmental workers
城市道路交通噪聲信息管理系統的研究與實施可以建立準確、一致的信息來源渠道,加快環境信息的流通速度,提高環境信息資源的利用率,減輕環境工作者的工作負擔,提高環境管理工作中的效率,為環境管理和環境規劃與評價提供依據;該系統的建立與開發同時也為開發類似系統的環境工作者提供參考和借摘要一鑒,為今後實施集水、氣、噪聲、固體廢棄物為一體的環境管理信息系統平臺提供了一個子框架。Plastics piping systems - elastomeric sealing ring type joints and mechanical joints for thermoplastics pressure piping - test method for leaktightness under external hydrostatic pressure
塑料管道系統.熱塑塑料壓力管道用的彈性密封環型接頭和機械接頭.外部流體靜壓條件下防漏密封試驗方法The effects of tripping annulus on a pipe flow and a channel flow were compared and analysed. it indicated that the effect on both flow are mostly identical
全面比較了入口擋環對管流和渠道流中湍流發展過程的影響,發現兩者在多方面均存在著一致性。The eddy current ring of pressure pipeline that is detected by spot probe is studied firstly in theory
摘要首先從理論上分析了放置式探頭探測壓力管道時的渦流環模型,然後應用此模型推導出了檢測時的特徵頻率計算公式。This kind of butterfly valve is suitable for foodstuff, pharmacy, petroleum chemical industry, electric plant, steel plant, industrial environmental protection water treatment and high building, for adjusting flux on water supply tube
本蝶閥適用於食品、醫藥、石油化工、電廠、鋼廠、工業環保水處理及高層建築、供排水管道上作調節流量和截斷流體最佳裝置。The experimental results were showed that polyurethane ( pu ) coating and tar - epoxy ( ep ) coating had excellent anti - corrosive and physics - mechanical property, and both two paints were suitable to protect the concrete sewage pipe
測試結果表明,聚氨酯類型和焦油環氧類型的塗料具有優異的耐腐蝕性能和物理機械性能,適合作為合流污水環境中混凝土管道的保護塗層。The paper establishes a risk management model for natural gas stations based on risk theory and risk assessment model, takes into account the real working conditions and technical specifications of natural gas stations in our country, carries on the assessment from nine aspects, and presents the risk standard, the acceptable criterion, and the suggestive measures to control these risks
摘要以風險管理技術和風險評價模型為基礎,結合我國天然氣輸氣站場設計、施工、運行時的工況,遵循我國輸氣站場技術標準和安全規范,建立輸氣站場的風險管理模型,包括輸氣站場位置及環境、站內埋地管道、地面壓力設備、運轉設備、站內閥門、儀器儀表、工藝流程、站內甲烷泄漏、站場安全系統等9個部分,提出了輸氣站場風險標準及可接受性準則,給出了風險控制的措施。Motor heat dissipation shall be accomplished by circulating a heat transfer fluid from an integral reservoir through channels that are internally cast into the motor stator housing
電機散熱應該通過熱傳導流體的循環流動來完成,這些流體從一體式貯存器流經內鑄管道,進入電機定子外殼。After initial installation, a discharge from the relief valve opening may occur due to inadequate initial flushing of pipe lines to eliminate dirt and pipe compounds
注:在閉端應用環境,如鍋爐給水管道或冷卻塔補水管道,由於在靜態或無流動期間,供應壓力有所波動,因此安全閥可能發生周期性排放。Points out that some designers only use empirical methods in determining the inner diameter of pipeline, calculating system resistance and selecting the rated flow and rated head of circulating pumps in water systems
摘要指出目前一些設計人員在設計空調水系統時,僅根據經驗值估算管道內徑、計算管路阻力和選配系統循環水泵的流量和揚程。Thermoplastics piping systems - non - end - load - bearing elastomeric sealing ring type joints between pressure pipes and moulded fittings - test method for leaktightness under internal hydrostatic pressure without end thrust
熱塑管道系統.壓力管和模塑管件的無端負荷彈性密封環型連接件.在無軸向推力時內部流體靜壓力下密封性的試驗方法The experimental results show that the method is effective to identify the flow patterns of bubbly, plug, stratified, wavy, slug and annular in a horizontal pipe. the identification accuracy is shown as follows : bubbly flow is 93. 3 %, plug flow is 85. 3 %, stratified or wavy flow is 97. 3 %, slug flow is 98. 6 %, and annular flow is 92. 7 %. an estimation of the process time is 22 frame / s
實驗結果表明,該方法能自動有效地識別水平管道內的氣泡流、塞狀流、層狀流、波狀流、彈狀流和霧環狀流等基本流型;識別準確率如下:氣泡流為93 . 3 ,塞狀流為85 . 3 ,分層流為97 . 3 ,彈狀流為98 . 6 ,霧環狀流為92 . 7 ;識別圖像速度約為22幀秒,適合於在線實時識別兩相流流型。On the basis of the studies done on the vibration of fluid - conveying pipes in the world, the flow - induced vibrations of pipes on offshore platform and in water are studied in this dissertation
本文在分析國內外輸液管道振動研究的基礎上,對海洋環境下的輸液管道流體激振進行了研究。The syntax used to read data from a stream and create pipes is similar in all unix shells the author uses the syntax of bash - the gnu bourne - again shell, but the examples presented in this article should be portable to other environments without changes
在所有unix shell中,從某個流中讀取數據以及創建管道的語法都類似(盡管作者使用bash語法gnu bourne - again shell ,但本文中的示例不經修改就可移植到其它環境中) 。Application of time difference type ultrasonic flowmeter in large - bore circulating water pipe
時差式超聲波流量計在大口徑循環水管道的應用分享友人