air tunnel 中文意思是什麼

air tunnel 解釋
風洞
  • air : n 1 空氣,大氣。2 天空,空中。3 微風,和風。4 態度,樣子,風度,氣派;〈pl 〉高傲的架子。5 傳播,...
  • tunnel : n 隧道;地道;坑道;管道,煙道,風洞;【礦物】石巷,平峒。 tunnel warfare 地道戰。vt (〈英國〉 l...
  1. This turbulence caused the flow pattern in the tunnel to be similar to the flow pattern in free air at a higher reynolds number.

    這種紊流使風洞內的流譜與在較高的雷諾數下自由氣流中的流譜相似。
  2. According to time of operation, the buses are divided as follows : numbers that start with " 2 " are morning and evening rush hour buses, numbers that start with 3 are night buses ; according to location, buses are divided as follows : puxi buses, pudong buses, buses that cross the river including tunnel and bridge lines, and suburban area buses [ 700s & 900s ] ; according to payment method, the buses are divided into : single - ticket rmb 1 ( lines of 13 kilometer or less from end to end ) and rmb 1. 5 ( lines of 13 kilometers or more from end to end ) ticket - sellerless buses ( most two digit city buses and three digits buses starting with " 1 ", " 2 ", " 7 " are of this kind ; no change will be made, but terminal stations and hubs will have rmb 1 and rmb 1. 5 ticket booklets for sale, 50 non - refundable tickets per booklet ), and also single ticket rmb 2 air - conditioned buses and scaled - price ticket special lines ( including specialty coach lines starting with " 5 ", pudong specialty lines starting with " 6 ", mid - size coaches that start with " 8 ", double - decker buses and air - conditioned coaches that start with " 9 ", as well as the ten air - conditioned tourism lines [ and airport buses ] )

    按運營時間分,有:日間公交車、 「 2 」字頭的早晚高峰車和「 3 」字頭的夜宵車;按地域范圍分,有浦西的、浦東的、過江的(含大橋、隧道線)和郊區線;按票務方式分,有單一票價1元(全程13公里以下的線路)或1 . 5元(全程超13公里的線路)的無人售票車(市內公交號碼為兩位數的或三位數中「 1 」字頭、 「 2 」字頭、 「 7 」字頭的線路絕大多數是無人售票車,自備零錢,不找零,公交終點站、各主要交通樞紐均有1元和1元5角兩種面值的公交預售票出售,每本50張,售出不退) ,還有單一票價2元的空調車和多級票價的專線車(有「 5 」字頭的大巴專線、 「 6 」字頭的浦東專線車、 「 8 」字頭的中巴專線和「 9 」字頭的雙層車或空調大巴,還有十條空調旅遊專線) 。
  3. As stated in paragraph 2 of appendix to annex 4. 8 of volume two of ifp, vitiated air from the tunnel is discharged vertically from exhaust shaft of the ventilation building

    建議邀請書第二冊附件4 . 8的附錄的第2段註明,隧道的濁氣會由通風大樓的抽氣塔垂直排出。
  4. A slot was cut in the back plate of the double - foil shield to improve the flow field with air diversion method. the flow field and droplets trajectory near the shield are simulated in wind tunnel by fluent software to analyze the wake flow affecting the spray drift. from simulation, the improved shield spray in reducing drift is better than double - foil shield spray and conventional spray in six types of wind velocity

    本文採用導流法在雙圓弧罩蓋上開口,利用fluent模擬分析和比較罩蓋噴霧流場,並模擬該流場下的霧滴運動軌跡來分析霧滴的飄失性,模擬結果表明:結構改進后的罩蓋噴霧流場得到改善,其減少霧滴飄失的效果好於原罩蓋,更優于常規無罩蓋噴霧。
  5. For the remaining eight at - gradeoverhead stations ( tseun wan, kwai hing, kwai fong, ngau tau kok, kowloon bay, kwun tong, heng fa chuen and chai wan ), retrofitting of platform screen doors involves major alterations to the stations and tunnel ventilation, air - conditioning and smoke extract systems. since such at - gradeoverhead stations are not designed with air - conditioning and ventilation systems, retrofitting works are subject to technical constraints

    至於其餘8個現時沒有月臺幕門的地面及高架車站(即荃灣、葵興、葵芳、牛頭角、九龍灣、觀塘、杏花?及柴灣) ,加裝月臺幕門系統須涉及重大工程,包括車站及隧道通風系統、冷氣系統及抽風系統等的大型修改工程。
  6. Environmentally friendly measures to be implemented include public transport by a railway and a smoke - free shuttle system ; implementation of an automated refuse collection system and a district cooling scheme for air - conditioning ; and use of tunnel and depressed roads to promote pedestrianisation

    區內擬設置多項環保設施,包括以鐵路及無煙環保穿梭運輸系統作為公共交通工具;採用自動垃圾收集系統及區域水冷空調系統;使用隧道及路塹式道路,並廣設行人專用區等等。
  7. Slow cooling section is next the fast cooling section, cooling tiles slowly by exchange heat between hot gas in the tunnel and the environment air, which is sucked into pipes stick in the tunnel and been heated there, and been sent to dryer to dry biscuits

    緩冷段不直接打冷卻風,它通過抽熱風機將環境空氣吸入,進入窯內導熱良好的鋼管,並將換熱后的熱空氣送入乾燥窯內,冷空氣在換熱過程中,使製品得到間接的冷卻,讓製品安全度過573的晶型轉換階段。
  8. Fluid experiment ; buff body aerodynamics ; wind engineering ; wind loading on buildings and structures ; modeling wind in an atmospheric boundary wind tunnel ; pedestrian - level wind environment ; wind effects on the efficiency of air - cooled condenser in a large power plant

    實驗流體力學,鈍體空氣動力學,風工程, 、建築物和結構物的風荷載研究,大氣邊界層風洞模擬,行人高度風環境,大型電站空冷系統風效應風洞模擬。
  9. If the tunnel draws its air directly from the atmosphere, entirely fresh air is used.

    如果風洞直接從大氣中吸進空氣,那麼使用的是完全新鮮的空氣。
  10. A total of 16 healthy subjects underwent bronchoscopy with bronchial mucosal biopsies and bronchoalveolar lavage ( bal ) on two occasions, in random order : once at 14 h after a 2 - h exposure to air pollution in a busy road tunnel, and once after a control day with subjects exposed to urban air during normal activities

    對16名健康受試者在隨機順序下限后進行兩種處理,分別為暴露于某繁忙的公路隧道的污染空氣2小時,和選擇某一天暴露於一般繁忙程度的城市大氣中作為對照, 14小時后進行支氣管鏡下支氣管粘膜活檢和支氣管肺泡灌洗( bal ) 。
  11. Axial - flow ventilation fan is applicable to canging air ordissipating hear at such places as metal lurgical factory, steel rolling mill, chemical plant, refrigerating chamber, restaurant, grain depot, cultivating field, tunnel, storehousr, residence, ect. while removed the shell, it in the long echaust pipe with series connection method. the fan has complex structure, low noise, wide power selective range

    72型離心通風機可作為工三及大型建築的室內通風換氣,還可作輸入氣體,輸送空氣或其它不自燃的對人體無害的,對鋼鐵材料無腐蝕性的氣體,氣體溫度不得超過80 。
  12. Numerical simulation by cfd was carried out to understand the hot current behavior in a tunnel with longitudinal ventilation. it becomes clear that fire source modeling is very important because the hot current behavior is strongly affected by the fire source position and is sensitive to methods in the modeling of the fire source. the flame area which has developed from the fire source is an area of chemical reaction caused by combustion. even if grids in the vicinity of the fire source are made fine, it was difficult to simulate the heat generation area with consideration to this chemical reaction through using a method for setting the heat release rate simply on the fire source surface. therefore, we proposed a method adopting the knowledge on flame shape under the longitudinal ventilation and incorporating it into numerical simulation and it showed a good agreement with the experimental results. it was shown through experiments in a tunnel with longitudinal ventilation that the hot current developed toward the tunnel center downwind from the fire source near a wall. the cause was investigated by numerical simulation and it became clear from the results that the spiral air by the fire plume created a vortex in the crevice between the wall and the plume

    運用cfd進行數字模擬,以了解縱向通風隧道內熱煙氣流的特性.通過模擬發現對火源進行模擬非常重要,熱煙氣流特性受火源位置的影響很大,並且對火源模擬方法很敏感.火源生成的火焰區是燃燒引起的化學反應區域.即使火源附近的木垛排列完好,也很難在考慮這些化學反應條件下模擬熱生成區域.建議考慮縱向通風隧道內火焰形狀並對它進行數字模擬.模擬結果與試驗結果非常吻合.試驗證明,在縱向通風隧道內,熱煙氣流從靠近墻體火源處順風向隧道中心蔓延.數字模擬結果發現,火災羽流造成的螺旋上升空氣會在墻體和羽流之間形成一個渦流區
  13. Abstract : numerical simulation by cfd was carried out to understand the hot current behavior in a tunnel with longitudinal ventilation. it becomes clear that fire source modeling is very important because the hot current behavior is strongly affected by the fire source position and is sensitive to methods in the modeling of the fire source. the flame area which has developed from the fire source is an area of chemical reaction caused by combustion. even if grids in the vicinity of the fire source are made fine, it was difficult to simulate the heat generation area with consideration to this chemical reaction through using a method for setting the heat release rate simply on the fire source surface. therefore, we proposed a method adopting the knowledge on flame shape under the longitudinal ventilation and incorporating it into numerical simulation and it showed a good agreement with the experimental results. it was shown through experiments in a tunnel with longitudinal ventilation that the hot current developed toward the tunnel center downwind from the fire source near a wall. the cause was investigated by numerical simulation and it became clear from the results that the spiral air by the fire plume created a vortex in the crevice between the wall and the plume

    文摘:運用cfd進行數字模擬,以了解縱向通風隧道內熱煙氣流的特性.通過模擬發現對火源進行模擬非常重要,熱煙氣流特性受火源位置的影響很大,並且對火源模擬方法很敏感.火源生成的火焰區是燃燒引起的化學反應區域.即使火源附近的木垛排列完好,也很難在考慮這些化學反應條件下模擬熱生成區域.建議考慮縱向通風隧道內火焰形狀並對它進行數字模擬.模擬結果與試驗結果非常吻合.試驗證明,在縱向通風隧道內,熱煙氣流從靠近墻體火源處順風向隧道中心蔓延.數字模擬結果發現,火災羽流造成的螺旋上升空氣會在墻體和羽流之間形成一個渦流區
  14. In recent years, the solid traffic net with waterway, roadway and air - line has been developed greatly. inland when it refers to the connection between waterway and roadway or roadway and roadway, usually it is bridge or tunnel, but most of them are bridges

    近年來,我國由水路、陸路、空運所形成的立體交通網已得到了巨大的發展,其中在內陸涉及到水路和陸路二者相連的便是橋梁或隧道,但以橋梁居多。
  15. The planning of lujiazui central area combines modern functions, environment, communications, scenic sights, ecology, and space art in an overall and three - dimensional design. a meticulous plan has been made to landscape the riverside plots, with high - risers setting off each other, to furnish residential areas with shopping facilities to organize a complete system of underground, water, surface and air transportation in co - ordination the subway, the tunnel, the viaducts with surface traffic and landscaped pedestrian walkway, lujiazui will be built into a golden delta on the east bank of the huangpu river

    陸家嘴中心區綜合了現代功能、環境、交通、景觀、生態、空間藝術而進行全方位立體化的規劃,使沿江地帶綠化覆蓋,摩天大樓錯落有致,商業服務設施與住宅相互配套,對地鐵、隧道、高架與地面車運、綠化步行街也作了周密規劃,組成地下、水路、地面、空中的立體系統,陸家嘴將成功地塑造一個黃浦江東岸的「金三角」 。
  16. Type nhss wire rope pulling hoist is widely suitable for use in bridge - construction, laying of large - size pipes, installation and adjusting of machinery an electric apparatus, and large reaction tower of petrochemical industry ; the installation and alignment of storage tanks ; erecting, fitting, welding and alignment of masts, steel concrete timber structures ; laying and translocating of rails and sleepers ; loading and unloading bulky heavy goods during transportation. cable tensioning ; demolishing of gallery supporting logs ; stacking forrestry wood ; and othersimilar cases. the hoist of this series is especially suitable for use in narrow working sites of limited space, where the job is high above the ground or in open air places, in tunnel of deep well, where no power for traction or lifting is available

    Nhss型鋼絲繩手扳葫蘆可廣泛用於建築施工、大型管道鋪設、機電設備和石油化工大型反應塔、儲罐的安裝、校準、鐵塔及其它鋼木結構的豎立、拼裝焊接、校準、鐵軌、枕木的鋪設、移位、交通運輸中笨重貨物的裝卸、電線張緊、坑道支撐木的拆除、林區木材的集放等等,對于局部空間受到限制的狹窄工作場所、高空作業、野外作業、坑道、深井作業和無機電供能場所的各種牽引、提升作業、選用本系列產品尤為適宜。
  17. Rapid cooling section is at the end of the firing section, cool the tiles by means blow environment air with high pressure fan into the tunnel directly through tiny holes in series of stainless steel pipes inside the tunnel

    急冷設于燒成帶未端,由高壓離心鼓風機,經環境空氣通過總管、支管、手動球閥,直接將窯外冷空氣經不銹鋼管通過細孔高速打入窯內冷卻製品。
  18. Based on the characteristics of the membrane structures, wind - induced nonlinear coupling dynamic response analysis which can be applied to closed membrane structures is developed and the added air mass the pneumatic stiffness and the acoustical damping of the closed membrane structures are deduced. applying the method to an aeroelastic model of wind tunnel test, the displacement the velocity and the acceleration of corresponding prototype structure in time domain are obtained

    本文針對封閉式薄膜結構和敞開式薄膜結構推導了全新的非線性流固耦合風振響應公式,其中耦合因素包括附加空氣質量、氣承剛度和聲致阻尼以及相對運動速度,並將此理論應用於一氣彈模型的計算,獲得了位移、速度、加速度時程以及加速度均方根。
  19. The flow regime inside of the tunnel, the characteristics of hydrodynamic load, the hydrodynamic pressure feature at the gate slot and the vent air speed during the shutting of the gate is studied through model test, and then the reliability of the gate, the feature of the vent air speed and the pressure at the gate slot during the shutting of the gate are analyzed based on the test result concerned

    通過模型試驗研究了事故閘門關閉過程中泄洪洞內的水流流態、門體的水動力荷載特性以及門槽段動水壓力特性、通氣孔風速,並根據試驗結果分析了該閘門動水下門過程中的可靠性,通氣孔風速特性和門槽段壓力特性。
  20. Aiming at the structure characteristics of the pipeline system of the existing boiler combustion equipment, the paper work out the new - style air speed measure components via the theory analysis of the existing measure components of all kind of forms and measure theory. and then the paper designs and builds the wind tunnel test - bed to process the test and research of the air speed measure components in order to realize it ' s structure and each characteristic parameter

    針對現有的鍋爐燃燒設備管路系統的結構特點,論文通過對現有的各種形式、測量原理的流量測量裝置的理論分析,設計出新型的風速測量元件,並且設計、建立滿足試驗所需的風洞試驗臺,對風速測量元件的結構及各項特性指標進行試驗研究,完成一次元件的開發工作。
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