Oilless low pressure series air compressors Miniature oilless lubricated air compressors belong to reciprocating, piston, single action and air-cooled portable air compressors, they are designed for the departments which need pure air source and higher environmental requirements.

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Bleed air is extracted from the high pressure compressor for the following system: Air-conditioning Cabin pressurizatin Wing and engine inlet cowl anti-icing Hydraulic tank pressurization Potable water tank pressurization Fan air is used as cooling air for the precooler to limit the temperature of the bleed air in the pneumatic manifold.

引氣從高壓壓氣機(jī)中釋放給列鐐系統(tǒng)：引氣從高壓壓氣機(jī)中釋放給列鐐系統(tǒng)：空調(diào)系統(tǒng)客艙增壓系統(tǒng) 21 專業(yè)資料航空工程英語機(jī)翼及發(fā)動(dòng)機(jī)入口整流罩防冰液壓油箱增壓飲用水箱增壓風(fēng)扇空氣做為預(yù)冷器中的冷卻空氣用以限制增壓總管中的引氣溫度。

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At last the paper realized the advantages and disadvantages of passive solar building and adnvanced some suggestions in future research. From another point, the paper logged the process of the building of the experimental equipment and the mounting of the measurement equipments that accumulated some operating experimence.Carrying experiments, calculating and analyzing the experimental data for more than 2 years, the paper gained some constructive conclusions. In winter the indoor air temperature and RH are lower than comfort criteria, but people feels very comfortable in the passive solar house. The thermo-circulation formed by Trombe wall play an important role in improving indoor air temperature and RH. Based on the analogy analysis theory, the natural convection heat transfer in the air gap can be treated as superposition of two natural convection heat transfer processes occurring over isolated isothermal vertical flat plate, in this case namely the massive wall and glazing. Two empirical formulas for Q and Nu are obtained. The investigation shows that the optimal time to open the damper should comply with the period that the thermo-circulation happens which can be controlled by thermal response characteristics of Trombe wall surface temperature and air temperature in the air gap.

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Air motor, piston air motor, vane air motor, air mixer, agitator, air fan, propeller, pressure tank, spray gun, manual spray gun, automatic spray gun,...

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Introduces the significance of application of all-air air conditioning system and analyzes the two problems about energy- saving and purifying of using all outdoor-air in all-air air conditioning system .

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Series of products: 1, fully automatic production line of Duct flange molding machine, shears, press brake duct and other metal processing equipment. 2, using the entire computer-controlled production lines, specialized in the production mechanism Express rectangle duct flange, Germany duct flange, mechanisms spiral round, flat circular duct, all kinds of bend, the wind pipe fittings. 3, damper, exhaust valves, valve series; 4, muffler, static pressure box, muffler Venetian series; 5, aluminum, teak tuyere, such as stainless steel tuyere tuyere series; 6, Air Shower, Air Shower Channel, clean bench, and efficient delivery of clean air and other series; 7, vertical, horizontal air handling units series; 8, multi-functional modular air handling units series; 9, fan coil series; 10, ventilation, exhaust cabinet series, Fire cabinet centrifugal fan series.

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The results show that the air exchange efficiency can meet the need of indoor air quality, the airflow and air age distribution is symmetrical among apartments, and the best air quality area is the lower berth, the middle berth the next and the upper berth is the worst, and reasonable airflows will make for improving indoor air quality.

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