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- An ABB variable speed drive system is to power the giant fan that generates subsonic wind speeds at Boeing's flagship wind tunnel in Philadelphia. ABB的一個(gè)變速驅動(dòng)系統正在為波音公司在費城的旗艦風(fēng)洞的大型風(fēng)扇提供動(dòng)力，以制造出次音速風(fēng)速。
- vaccum driven wind tunnel 吸氣式風(fēng)洞
- Thermal viscous fan drive has defective bearing. 熱粘性風(fēng)扇驅動(dòng)有失靈的軸承。
- Improperly operating viscous fan drive. 粘滯的風(fēng)扇驅動(dòng)工作不正常。
- Viscous fan drive not operating properly. 粘性風(fēng)扇驅動(dòng)不能正常工作。
- The experiments were conducted in a wind tunnel at a location 50 ft downwind from the fan. 實(shí)驗是在風(fēng)洞中距離風(fēng)機50英尺處進(jìn)行。
- The planes survived the wind tunnel test intact. 這些紙飛機在測試風(fēng)道中絲毫未損。
- Remove fan blade assembly from viscous fan drive unit (four bolts). 從粘性風(fēng)扇驅動(dòng)裝置（四個(gè)螺栓）上拆卸風(fēng)扇葉片組合。
- It is not correct to think of the wind tunnel having uniform flow. 設想風(fēng)洞具有均勻的氣流是不正確的。
- Setting very low speeds in a wind tunnel is always a vexatious problem. 在風(fēng)洞中調出低風(fēng)速來(lái)始終是一個(gè)麻煩問(wèn)題。
- It should be noted that a balance is not always required in a wind tunnel. 應該指出，天平對風(fēng)洞來(lái)說(shuō)并非是絕對必須的。
- Energy saving test report of fan driven by converter which is referenced for user is extracted. 摘錄了可供用戶(hù)參考的變頻器驅動(dòng)風(fēng)機節能試驗報告。
- The aerodynamics characteristics of this airfoil is studied in wind tunnel. 進(jìn)行了翼型的低速氣動(dòng)力性能研究，為附面層特性研究提供了方向。 結果表明，該翼型具有較好的升阻和俯仰特性，但失速特性差。
- Viscous fan drive operation is not affected by small oil stains near the drive bearinIf leakage appears excessive, replace the fan drive unit. 粘性風(fēng)扇驅動(dòng)操作不受驅動(dòng)軸承附近的銹跡影響。如果泄漏過(guò)度，更換風(fēng)扇驅動(dòng)裝置。
- The wind tunnel is produced under a technical cooperation agreement with Ford Co of US. 風(fēng)洞機是根據與美國福特公司的技術(shù)合作協(xié)議生產(chǎn)的。
- A water-cooling system consists of the engine water jacket, thermostat, water pump, radiator, radiator cap, fan, fan drive belt and neccessary hoses. 一個(gè)完整的水冷系統包括機體水套，節溫器，水泵，散熱器，散熱器罩，風(fēng)扇，風(fēng)扇驅動(dòng)皮帶和必需的水管。
- Any flight test and wind tunnel correlation always suffers from a great number of unknowns. 在對飛行試驗與風(fēng)洞試驗進(jìn)行比較時(shí)總有大量的未知數。
- Wind tunnel experiments on aerodynamics of quasi high speed trains driven respectively by a diesel locomotive, Dongfeng 11, and by an electric locomotive, Shaoshan 8, are conducted. 介紹了以東風(fēng)11型內燃機車(chē)牽引的準高速列車(chē)風(fēng)洞模型試驗，包括以韶山8型電力機車(chē)作牽引的對比試驗。
- The damping derivatives can only be determined experimentally in the wind tunnel or ballistic range. 阻尼導數只能用風(fēng)洞或彈道試驗來(lái)確定。
- If fan blade assembly is replaced because of mechanical damage, water pump and viscous fan drive should also be inspecteThese components could have been damaged due to excessive vibration. 如果因為機械損壞而更換風(fēng)扇葉片組合，應該檢查水泵及粘性風(fēng)扇驅動(dòng)，這些組件可能由于過(guò)度抖動(dòng)而損壞。
