air power noise 中文意思是什麼

air power noise 解釋
空氣動力噪聲
  • 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，...
  • power : n 1 力，力量；能力；體力，精力；（生理）機能；〈常 pl 〉才能。2 勢力，權力，權限；威力；政權；權...
  • noise : n 1 聲音，聲響。2 叫喊；嘈雜聲，噪音；喧鬧聲；吵鬧，騷動，騷擾。3 〈古語〉謠言，風聲。4 〈美國〉...
  1. The investigation has declared that the fuel injection with bq fuel pump had higher injection pressure, bigger fuel supply rate and shouter fuel supply duration, which would cause the fuel injection quantity and the fule - air mixture to increase during ignition delay period, the pre - mixed combustion to become acutely, and finally result in increased power levels of noise

    研究表明，裝配bq噴油泵，噴油系統的噴油壓力較高，供油速率較大和供油持續時間縮短，使得滯燃期的噴油量增加，滯燃期內形成的可燃混合較多，預混燃燒劇烈，導致整機噪聲聲功率級增加。
  2. Pf series air fans are new low - speed high - flow - rate tube - axial fan. wich represents advantages of high flow, light weight, low noise and lower power consumption. they are key equipment of tunnet ventilation in houses of poultry & livestock poultry

    Pf系列排風扇是新型的低速大流量軸流風機，具有流量大、重量輕、噪音低、耗電省等優點，是畜、禽舍縱向通風的關鍵設備。
  3. Determination of sound power levels for noise emitted by heating ventilating and air conditioning equipment - engineering method

    採暖通風與空氣調節設備噪聲聲功率級的測定工程法
  4. Air conditioners, heat pumps and dehumidifiers with electrically driven compressors. measurement of airborne noise. determination of the sound power level

    帶電動壓縮機的空調器熱力泵和除濕器.機載噪音的測量.噪音等級的測定
  5. Air conditioners, heat pumps and dehumidifiers with electrically driven compressors - measurement of airborne noise - determination of the sound power level

    帶電驅動壓縮機的空調加熱泵和除濕器.空氣噪聲的測量.聲功率水平的測定
  6. Air conditioners, heat pumps and dehumidifiers with electrically driven compressors - measurement of airborne noise - determination of the sound power level ; german version env 12102 : 1996

    空調器熱力泵和帶電動壓縮機的除濕器.載氣噪聲測量
  7. Abstract : on the basis of the analysis about noise sources of the air compressor, it shows that air dynamic noise is primary one. according to the theory of fluid mechanics, the mathematics model of the air compreesor air dynamic noise is found, which shows the relationship between the sound power level and other parameters. the knowing noise of the air compressor " s air dynamic is of low frequencies. the reliable data is provided for the noise and vibration control

    文摘:通過對空壓機噪聲源的分析，確認空壓機噪聲源中的空氣動力性噪聲為最強；由流體流場的聲學理論，建立空壓機動力性噪聲源的力學模型，它表明聲功率與其它參數的關系；並知空壓機的空氣動力性噪聲呈低頻特性，這為噪聲及振動控制提供了可靠的依據
  8. 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 。
  9. Limits of sound power level for noise emitted by air compressors for power source use and diaphragm compressors

    動力用空氣壓縮機和隔膜壓縮機噪聲聲功率級限值
  10. The optimized experimental conditions are determined and the densities of some elements in the mental alloy standard samples are measured. the experimental results shows that the spectral intensity of the plasma enhances significantly with the increase of the operating voltage and the power density. ( 1 ) to the steel ally sample, the emission intensities of the spectra reach to the maximum values when the laser operating voltage is 1600v and the argon pressure is 600 torr. under the same pressure, the spectral intensity of the plasma in the argon atmosphere is stronger than that in the air. when the argon pressure is 320 to rr, the signal - noise ration is about 5 times than that which the argon pressure is 700 torr, but the temperature of plasma is less about 1000k

    （ 1 ）對于光譜標鋼準樣品，當激光器工作電壓為1600v 、氬氣壓力為600乇時，譜線強度達到最大，並且在相同壓強下，氬氣中的等離子體與空氣中的等離子體相比，其輻射強度明顯增強；氬氣壓力為320乇時的譜線信背比約為600乇條件下的5倍，而等離子體溫度卻下降了近1000k ，即等離子體溫度隨環境氣壓的增大而增大；當激光束的焦斑在樣品表面上下移動時，激光誘導量、等離子體的激發溫度、譜線強度都呈不對稱性分佈，其最大值對應的焦斑位置都位於樣品表面之下0 . 4mm左右。
  11. Acoustics. determination of sound power levels of noise from air - terminal devices, air - terminal units, dampers and valves by measurement in ? reverberation room

    聲學.混響室空調終端設備空調終端部件氣流調節器和閥門的噪音聲功率級測定
  12. Characters including : fuel atomization device replaced by gas sprayer, gas supply controlled by gas flux valve ; separate fuel supply from combustion - supporting air, regulate air supply through changing the electioneering voltage to make the fully burning and improve efficiency and reduce fuel consume ; arts and crafts are simple, the modification of the oil heater ' s configuration is little and the heating power is not below the oil heater ' s level ; because of falling the voltage of electioneering, greatly descend the noise of the sample machine compared with the original

    其特點是：以燃氣噴頭替代原機燃油霧化裝置；以燃氣流量控制閥控制燃氣的供給；燃氣的供給與助燃空氣的供給相分離；通過改變主電機的電壓，調整空氣的供給量，使燃燒更加充分完全，並進一步提高了熱效率，降低了燃料消耗；工藝簡單，對原機型改動較小；樣機的加熱功率不小於原機型水平；此外，由於主電機電壓的降低，使樣機的整機噪聲比原機大大下降。
  13. Proper arrangement of them significantly reduces the energy consumed and noise level and ensures the input power and noise index, solves the problem of insufficient air volume supplied, and improves the indoor thermal comfort effectively

    通過對這些部件的合理布置，大幅度降低機組能耗及噪聲，保證了產品輸入功率及噪聲指標，解決了傳統盤管在實際運行時風量小的問題，有效提高了空調房間的舒適性。
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