air flow test 中文意思是什麼

air flow test 解釋
通氣量試驗
  • 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，...
  • 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、...
  • test : n 1 檢驗，檢查；考查；測驗；考試；考驗。2 檢驗用品；試金石；【化學】試藥；（判斷的）標準。3 【化...
  1. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討，取得以下主要成果：一、結合小灣工程導流洞改建，對高水頭（ 252m ） 、大泄流量（ 1400m ~ 3 s ）條件下旋流式豎井中的水流運動特徵進行了比較全面的測量，包括空腔形態、徑向流速分佈及井壁壓強等；二、提出了豎井空腔段螺旋水流水力計算方法，其計算結果與實測值吻合良好；三、利用試驗與計算結果，對旋流式豎井的消能機理進行了探討，對豎井各部分的消能能力有了總體認識；四、對豎井下部消力井的合理井深進行了優化試驗研究，發現消力井合理深度為0 . 9d左右；五、通過試驗研究，歸納出豎井水流總摻氣量估算方法，為導流洞排氣方案的設計提供了參考依據；六、在高水頭、大流量條件下，豎井空腔段下部流速很高，盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓，但空化數依然較低，因此豎井的空化空蝕始終是工程界關注的重大問題。
  2. The main products of our company : series of mining emulsion pump station, series of electric haulage shearer, sparying pump station, series of mining flame - proof vacuum / air electromagnetic starter, series of mining vacuum / air feeding switch, series of mining fame - proof and natural - safe. type ac soft starter, series of hydraulic stand valve and pipe system, high flow rate quick - moving valve, the new product nearing into market - the hydraulic support electric - control system, mining electric drill, hydraulic valve test table, electric performance test table

    公司主導產品為：系列電牽引採煤機、系列礦用乳化液泵站、噴霧泵站、礦用隔爆兼本質安全型交流軟起動器、系列礦用隔爆真空、空氣電磁起動器、系列礦用真空、空氣饋電開關、系列液壓支架閥類及管路系統、大流量快速移架閥、即將投入市場的新產品? ?液壓支架電液控制系統、煤電鉆系列、液壓閥試驗臺、電性能試驗臺等。
  3. In this research, through the test in geometric parameter and resistance performance, and comparison between random and other stacked packing, pvc screw thread oblique corrugated plate have more advantage. combined with test and theoretic calculate, determined the heat and mass transfer coefficient, obtained the influence relationship between inlet air flow rate, temperature and humidity, inlet liquid desiccate flow rate, temperature and concentration with outlet air humidity in dehumidifier, provided consideration for equipment design and production

    通過對除濕塔的現場測試並結合理論計算，確定其熱質交換系數，並分析得出採用pvc螺紋斜波紋板填料的一定結構的除濕塔，處理空氣的風量、入口溫度和含濕量及除濕溶液流量、入口溫度和濃度對空氣出口含濕量的影響關系，為除濕設備的設計和指導生產運行提供參考。
  4. Test method for air flow resistance of respiration of filtering particle respirator

    過濾式防微粒口罩對空氣流呼吸阻力的試驗方法
  5. Whole scheme of frame design of testing flat is proposed as : the host fanner supply the air required by flamer ’ s burning and cooling, the export parameter of the flat varies by different rotate speed of the fanner 、 angle of the fan inlet and the quantity of oil, the measurement of flow in the testing flat adopts the method of fanner dynamics performance test in the nation criterion

    確立了實驗臺結構設計方案：主風機為燃燒器提供燃燒所需的一次、二次進風量及冷卻風量；模擬實驗臺出口煙氣熱流量是通過調節風機的轉速、風門開度及燃油量來改變；實驗臺的流量測量採用風機動力性能測試標準中流量方法等。
  6. In it, studies are carried out such as the combustion theory analysis of biomass briquetting, equipment design, thermal performance test, air flow field test, density field test in the hearth, temperature field test, the dreg characteristics, main design parameters and technological and economic evaluation, and so on. the author has gained all kinds of indexes of the equipment and the changing laws of air flow field, temperature field, density field, dreg and main design parameters. this will lay theoretical foundation on design, operation and technology improvement, meanwhile, this will offer actual guidance for development of equipment

    本文通過對「生物質成型燃料燃燒設備設計」 、 「生物質成型燃料燃燒設備熱性能試驗」 、 「生物質成型燃料燃燒設備空氣流動場試驗」 、 「生物質成型燃料燃燒設備溫度場試驗」 、 「生物質成型燃料燃燒設備爐膛內氣體濃度場試驗」 、 「生物質成型燃料燃燒設備結渣特性試驗」 、 「生物質成型燃料燃燒設備主要設計參數確定試驗」及「生物質成型燃料燃燒設備技術經濟評價」等方面的系統研究，獲得了生物質成型燃料燃燒設備各項性能指標及燃燒空氣流動場、溫度場、濃度場、結渣性能、主要設計參數變化規律。
  7. Test method for thermal shock resistance of castable refractory. compressed air flow quenching

    耐火澆注料抗熱震性試驗方法
  8. Common test methods for insulating and sheathing materials of electric cables. part 4 : methods specific to polyethylene and polypropylene compounds. section one : resistance to environmental stress cracking - wrapping test after thermal ageing in air - measurement of the melt flow index - carbon black and or mineral filler content measurement in pe

    電纜絕緣和護套材料通用試驗方法第4部分:聚乙烯和聚丙烯混合料專用試驗方法第1節:耐環境應力開裂試驗-空氣熱老化后的卷繞試驗-熔體指數測量方法-聚乙烯中碳黑和或礦物質填料含量的測量方法
  9. When in experiment, the air was heated by the film heater installed on the above and below surface of channel, adopting various air velocity of flow, test import ' s and export ' s temperature, wall temperature, fluid flux and the drop of pressure, and the other parameter. adopting nu and nu0 to analyze the baffle ' s situation of heat transfer and fluid flow, which baffle was holed various diameters

    實驗時，通過矩形通道上下壁面敷設的電加熱膜加熱通道空氣，改變空氣流速，測試不同工況時的進出口溫度、壁面溫度、流體流量和壓力損失等參數，並採用無量綱努謝爾特準則數nu 、 nu _ 0等分析了設置不同開孔折流板的換熱與流動情況。
  10. Through analysis of test data in the field, it shows that the main causes leading to said phenomenon for are : adding water - cooling panel in the furnace ; rising of the feed - water temperature ; and somewhat smaller air flow rate in operation

    通過對其現場測試數據的分析表明，爐內增加水冷屏、給水溫度升高以及運行風量偏小是造成其主蒸汽溫度偏低的主要原因。
  11. Concentric jacket pipe surrounded the test condenser. steam was generated in the boiler, flowed upward to the inlet of connection pipes, then flowed downward into the condenser tube, the cooling water flowed countercurrently through the annulus. the experiment covered the range of the pressure 1. 0 ~ 3. 0bar, heating power 2. 0 ~ 15. 0kw, steam mass flow rate 0. 001 ~ 0. 004kg / s, air mass flow rate 0. 0 ~ 0. 00163kg / s, and cooling water temperature 20 - 60 ?

    在系統壓力為0 . 1 0 . 3mpa ，加熱功率為2 15kw ，蒸汽質量流量為0 . 001 0 . 004kg s ，空氣質量流量為0 . 0 0 . 00163kg s ，二次側冷卻水溫度20 60的范圍內，系統研究了豎直下降管內含有空氣的蒸汽冷凝特性，獲得了不同壓力、不同空氣含量和不同加熱功率下，冷凝段的溫度分佈和局部熱流密度的數據。
  12. Abstract : this article lists some notices of the measurement points and their importance in cleanrooms, content focus on ： indoor temperature measurement, humidity survey, exhaust air flow measurement, production line velocity measurement, inside and outside pure room differential pressure survey and the related test equipment for those measurement mentioned above

    本文主要介紹了潔凈室里需要注意的幾個測量點和它重要性，內容包括：室內的溫度測量、濕度測量、送風量和排風量的測量、成品生產線上的微風速測量、潔凈室內外壓差測量等，以及與之配套的測試儀器選擇方法。
  13. As an inlet structure, the forbay is an important part of the pumping station. the pressurized forbay, close in top structure, is a kind of particular forbay in which water is pressurized. based on the integral hydraulic model test of shanghai changqiao waterwork ' s water - transport pumping station, some research on the hydraulic characteristics of the pressurized forbay has been done in the paper. the main content is listed as follows : l. the hydraulic characteristics of the pressurized forbay in different water supply combination and different pump unit combination without divertion measure, and the reason of the poor flow state. 2. the hydraulic characteristics of the pressurized forbay with diversion pier, and the reason why the flow state can be improved. 3. the experimental research on the critical air suction condition of the pressurized forbay

    本文基於上海長橋自來水廠改造工程送水泵站整體水力模型試驗，對有壓前池的水力特性進行了研究，研究的主要內容如下： 1 、無導流措施的有壓前池在不同供水組合及不同機組開機組合條件下的水力特性，並分析了流態較差的原因； 2 、加設導流墩後有壓前池的水力特性，以及加設導流墩流態改善的原因; 3 、有壓前池進氣臨界條件的試驗研究； 4 、水泵進氣以後水泵性能的討論。
  14. The development and test of 5tyq - 100 type pressure air flow cleaning corn thresher

    100型負壓氣流清選玉米脫粒機的研製與試驗
  15. Specification for methods of test for hardness of, and for air flow through, infants ' pillows

    嬰兒用枕頭的硬度和透氣性試驗方法規范
  16. 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。
  17. Productive durability test and oxygen transfer performance test in clean water per diffuser for seven kinds of diffusers were studied respectively in this paper, and serving diffusive area, air flow, varied resistance, varied resistance after stopping air flow, diffusive strength were also investigated in the productive testing period

    摘要對7種曝氣器產品分別進行了單盤耐用性生產試驗、單盤清水充氧性能試驗以及對在大生產試驗期間的服務面積、供氣量、阻力變化、停氣后阻力變化、曝氣強度等方面進行了測試對比工作。
  18. Common test methods for insulating and sheathing materials of electric cables - part 4 : methods specific to polyethylene and polypropylene compounds - section 1 : resistance to environmental stress cracking - wrapping test after thermal ageing in air - measurement of melt flow index - carbon black and or mineral filler content measurement in pe

    電纜絕緣和鎧裝材料通用試驗方法.第4部分:聚乙烯和聚丙烯復合物專用方法.第1節:耐環境應力裂化試驗.空氣中熱老化后的纏繞試驗.溶體流動指數的測量. pe中炭黑和或礦物填充料的含量測量
  19. Standard test methods for water vapor diffusion resistance and air flow resistance of clothing materials using the dynamic moisture permeation cell

    使用動態透濕單元法測試布質材料耐水蒸氣擴散性和耐氣流性的標準試驗方法
  20. Standard test method for determining air flow through the face and sides of exterior windows, curtain walls, and doors under specified pressure differences across the specimen

    在通過樣品的規定壓差下測定通過外窗幕墻和門的正面和側面的氣流的測定的標準試驗方法
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