cooling loss 中文意思是什麼

cooling loss 解釋
冷卻損失
  • cooling : n. ,adj. 冷卻(的)。
  • loss : n. 1. 喪失;丟失,遺失。2. 減損,損失,虧損(額);損耗;減少,下降。3. 失敗;輸掉。4. 錯過;浪費。5. 損毀;【軍事】傷亡;〈pl. 〉 傷亡及被俘人數。
  1. The article takes a 600mw natural cycle drum boiler ( soot blow using steam ) as investigating object, establishes soot accumulation loss and soot blowing energy loss models for its water cooling wall, superheater, economizer and air preheater respectively, set up instructions for soot blower operating. simulating calculation results are compared with site data to verify usefulness of key models. the article introduced the operation optimizing design of soot blowers of yanzhou no2 power plant based on theoretical research

    本文以600mw汽包自然循環鍋爐(蒸汽吹灰)為具體分析對象,分別建立其水冷壁、過熱器、省煤器、空預器的積灰損失和各受熱面吹灰能量損失的模型,建立相應的吹灰器運行規則指導,對設計中的關鍵模型問題,通過模擬計算及與現場數據作比較的方法,驗證其可用程度。
  2. Passages reserved for connecting the engine room to the outside ( e. g., the cooling fan outlet, the exhaust outlet, the ventilation outlet, etc. ) must be designed as muffling passages, whose insertion loss should also be equivalent to the sound insulation amount of the fender structure. only in this way can the environmental noise outside the engine room live up to the standard

    為機房與外界相通而預留的通道(如冷卻風扇出口、發動機排氣出口、機房通風換氣口等)必須設計成消聲通道,其插入損失也應與圍護結構的隔聲量相當,只有這樣做才可保證機房外的環境噪聲達標。
  3. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融溫度及分解溫度降低,且伴有氧化分解反應;碳纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合曲線基本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑轉移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  4. 3. on boiler retrofit, the calculation of fuel burning, the heat calculation of boiler inside structure and convection section, and the design of structure parameter of feed water heat exchanger are made. the flue gas channels " resistance calculation and the boiler strength verifying are also carried out. replacement of water cooling wall improves heat exchanging and decreases loss of heat radiant

    對鍋爐本體進行了燃料燃燒計算、爐膛結構熱力計算、對流受熱面結構熱力計算、鍋爐給水加熱器結構參數設計、煙道阻力計算及鍋爐元件強度校核等;改進了水冷壁布置使換熱效果更好,減少輻射換熱損失;改進對流段結構,更充分的利用爐膛出口煙氣余熱,提高熱效率;並且進行了煙氣阻力計算、熱效率計算和能量平衡測試,對改進后的稠油燃料和改進前進行了對比,燃燒狀況和熱效率有明顯改善。
  5. 7. qualified insulated cooling impregnant is adopted. the voltage endurance of impregnant sample taken from underside of tank should more than 45kv and the loss angle is less than 0. 0002

    7 .電容器採用符合標準的絕緣冷卻油,從油箱下部取出的油樣耐壓值不小於45kv , tg0 . 002 。
  6. Engine and performance : two stroke air cooling engine, powerful ; key parts imported, reliable and durable ; excellent start - up performance of no less than three times ' drawing, easy and convenient to operate ; chain wheel drive, minimum power loss ; constantly variable speed and disk brake guarantee your safety

    動力性能:風冷二沖程發動機,功率強大,多種進口件組裝,性能穩定可靠,壽命長;優異的啟動性能,保證您不超過三次拉動,即可啟動發動機;採用無級變速裝置及性能優良的碟剎系統,使整車運行安全可靠,操縱方便;鏈式傳動,令功率損失減至最小。
  7. Measures for controlling the water loss of the cooling tower

    防止冷卻塔水量損失的措施
  8. It is reduced the thermal loss, molten steel cooling velocity and product cost and is improved the working efficiency and quality

    實踐證明,烘烤器全纖維新型壁襯,顯著降低了鋼包熱量損失、鋼包內鋼水冷卻速度和生產成本,提高了生產效率和產品質量。
  9. Wuxi nakano machinery co., ltd. and japan - field technology, the development of a new type of closed turntable polishing concrete slabs. polished tiles from the radically changed the cooling water production accelerated, workers unable to operate close to the phenomenon ; supported by tanks under the workpiece table, it will not only compensate for the loss millstone, but stable grinding force. different uniform surface quality products ; with the grinding process workpiece turntable and rotating products

    無錫中野機械有限公司引進日本技術,全新開發的轉臺型封閉式混凝土地磚磨光機,從根本上改變了磨光地磚生產中冷卻水飛濺,操作工人無法靠近的現象工件轉臺由下油缸支承,不僅能及時補償磨石的損耗,而且磨削力穩定不變,不同產品的表面質量均勻一致磨削過程中產品隨著工件轉臺而轉動,避免了其它型式磨光地磚生產中產品不動而帶來的同一產品表面質量不均的現象。
  10. Experimental study on vacuum pre - cooling for chinese cabbages ' weight loss

    結球白菜乾耗的真空預冷實驗研究
  11. Considering the weakness of the solar - power adsorbers in refrigeration / air conditioning, such as the effects of heat collecting in desorption period and heat loss in adsorption period, here, a new adsorber is proposed ? ? evacuated tube which is cooled by water. simulation calculations and experiments have been performed. with a view to the intermittent characteristics of solar - powered adsorption, a continuous cycle operation for the adsorption refrigeration cooling system with active carbon fibre ( acf ) - methanol adsorption refrigeration working pair is carried out

    本文針對目前太陽能固體吸附式製冷系統中吸附集熱床在解吸階段集熱效率不高和在吸附階段散熱效果不理想的狀況,以及針對太陽能固體吸附製冷系統循環的間歇性,本文提出了一種新型吸附集熱器:真空集熱管?水冷型吸附集熱器,以活性炭纖維?甲醇為工質對實現連續製冷循環方式,並對其進行了相關的性能實驗和數值模擬計算。
  12. After the optimizing system is put into operation, online calculating results and operation effect is analyzed, pointing out that the base for the whole boiler soot blow optimization is the minimum loss of soot accumulation and energy consumption of soot blowing, the base for water cooling wall soot blow optimization is the combustion house outlet gas temperature difference, the base for a single heat exchange surface soot blow optimization is the degree of its soot accumulation

    並對優化系統在線運行后,取得的實時計算結果和實際效果進行了分析,著重指出積灰和吹灰的經濟性最佳可作為整個鍋爐吹灰優化的決策依據,爐膛出口煙溫差可以作為爐膛吹灰優化決策的依據,受熱麵灰污程度可以作為單個對流受熱面吹灰優化決策的依據。
  13. Industrial circulating cooling water - determination of ignition - loss for sludge and corrosion products

    工業循環冷卻水污垢和腐蝕產物中灼燒失重測定方法
  14. A parameter has been defined to account for both the heat transfer enhancement and pressure loss caused by different shapes and configuration of pin fin arrays and the optimization analysis shows that cube - shaped pin - fin arrays can be viable alternatives for pedestal cooling in a blade trailing edge

    本文提出了一個強化換熱有效性系數來綜合考慮擾流柱換熱和壓力損失的效果,並用它對各種擾流柱進行了優化分析,優化結果表明方形擾流柱排在渦輪葉片尾緣區冷卻結構設計中是優先考慮的一種結構型式。
  15. Full - sealed assembling capacitor is applied to ac power sys - tem 50 60hz with rated voltage of 6kv 10kv 35kv for improving power factor and quality of power grid, reducing transmission loss and raising the efficiency of transmission transformation faciliti - es. this type of capacitor has an assembling full - sealed struc - ture, and it is comprised of capacitor unit body, container, insula - ition cooling impregnant, outlet ceramic bushing, pressurereleas -

    額定電壓6kv 10kv及35kv的交流電力系統中用來提高功率因數改善電網質量,降低線路損耗,充分發揮輸變電設備效能。本產品為裝配式全密封結構。主要由器身波紋油箱絕緣冷卻油出線套管壓力釋放閥溫度控制器等部件組成。
  16. Heat loss in winter months could increase as a result, though the supply air temperature is kept low, at around 18 c, and in summer months the cooling demand and associated energy consumption is reduced

    結果盡管已經將供給的空氣溫度維持在較低的水平,大約18 c左右,冬季月份的熱量損失依然將會增加,同時夏季的降溫需求及相關聯的能源需求也將下降。
  17. Respective simulation of the liquid cooling system and the circulatory system of cooling fluid, which mainly concerns the simulation model of the four major components in the refrigerating system and the water pumps and heat exchangers in the cooling circulatory system. experimental research of the assembled system of liquid cooling system, which yields the system perform parameters of refrigerating capacity and resistance loss in different working conditions. collection and comparison of the experimental data got from simulation and experimental research, which proves simulation and the experiment result are well tallying, hereby, testifies the emulational veracity of the cooling system

    主要對製冷系統中四大部件和冷卻液循環系統中的水泵、換熱器進行了數學建模;利用組裝的液冷源系統進行實驗研究,得到不同的工況下系統的製冷量、阻力損失等系統性能參數;對模擬和實驗研究中得到的大量實驗數據進行匯總比較,發現模擬和實驗結果吻合較好,驗證了液冷源系統模擬的準確性。
  18. The method of prediction the discharge coefficients of film cooling holes on the turbine blade suggested by d. a. rowbury et. al has been improved in this paper to fit the computations in the cases of low pressure ratios and the holes in leading edge region especially. the effects of external cross - flow, hole geometry and reynolds number in the hole were taken into account. an additive loss coefficient method is subsequently applied to the test data in order to assess the effect of the external cross - flow

    Rowbury等提出的流量系數工程演算法進行了改進,計算結果和實驗數據的比較表明改進后的新模型使低吹風比和前緣駐點附近流量系數的計算得到了明顯的改進,而在高吹風比下仍能保持與實驗數據相符,這種演算法有可能成為低壓比情況下型面氣膜冷卻的一種通用設計方法。
  19. Cooling load density optimization of irreversible air refrigeration cycles with the loss of heat leak

    考慮熱漏損失的實際空氣製冷機製冷率密度優化
  20. The orca truck has been designed to complete an entire fill operation in 3 - 15 minutes depending on storage volume with no pump cooling or product loss

    分鐘內完成整個充裝過程視儲存量而定。無須冷泵,無產品損耗。充裝完畢自動切斷裝置和
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