噴嘴壓降 的英文怎麼說
中文拼音 [pēnzuǐyājiàng]
噴嘴壓降
英文
injection drop-
The hydrodynamic propulsor takes drill fluid as power source, with the aid of the axial load produced by the pressure drop of the bit nozzle, makes the axial force act on the bit to produce wob, making up for the insufficient wob, ensuring the bit feeding smoothly and improving the penetration rate
這種推進器以鉆井液為動力源,藉助鉆頭噴嘴壓降產生的軸向載荷,使軸向力直接作用於鉆頭產生鉆壓,彌補有效鉆壓不足,保證鉆頭平穩鉆進,提高機械鉆速。The experimental results showed that the maximum pressure drop and the operational pressure drop were related with particles diameter, bed height and superficial velocity, and the latter was also related with bed structure
實驗表明:雙噴嘴矩形噴動床的最大噴動壓降和操作壓降與顆粒粒徑、床層高度及表觀氣速有關,而操作壓降還與床體結構有關。Abstract : at present, in continuous extrusion processing of micro - cellular plastics, the two pressure drop cell nucleation apparatus of the nozzle and gear pump are used
文摘:在連續微孔擠出加工中,當今採用噴嘴和齒輪泵兩種快速壓降成核裝置。In this paper, the two pressure drop cell nucleation apparatus are compared form the three aspects of micro - cellular structure, process capability and cost of manufacture
文中從微孔結構、加工能力和製造費用三個方面比較了在連續微孔擠出加工中的噴嘴和齒輪泵兩種壓降成核裝置Later, the paper ascertains how the prominent factors influence the humidifying effect by single factor experiment and got such solutions : when other situations do n ' t change, the nozzle flux will enhance with the increase of the nozzle aperture and spraying pressure. air ' s changing quantity of enthalpy and absolute humid, valid humidified quantity, humidifying efficiency and saturation efficiency will enhance with the increase of the initial water temperature. with the enhance of the praying pressure, the valid humidified quantity and air ' s changing quantity of enthalpy will increase first and decrease later, while the humidifying efficiency will drop
然後通過單因素試驗確定影響顯著的因素如何作用加濕效果,得到:在其他條件不變的情況下,噴嘴流量隨噴嘴孔徑和噴水壓力的升高而增大,空氣焓變量、絕對濕度差、有效加濕量、加濕效率及飽和效率隨噴水初溫的升高而提高,有效加濕量和空氣焓變量隨噴水壓力的升高先增加然後有所下降,而加濕效率隨噴水壓力的升高而下降,焓變量和絕對濕度差隨水氣比的增加而增大。The dehydration time is square of the droplets diameter so the small diameters of the droplets can cut down the drying time then reduce the height of the drying chamber. to the combined spin - flow pressure spray drying, the diameters of droplets are small and the dehydration rate is higher so keeping the qualities of the dried products we can increase the speed of the inlet wind and reduce the temperature of the outlet wind thus can improve the evaporation intensity of the drying chamber and the average energy utilization of the drying equipment
因霧滴的脫水時間與其直徑的平方成正比,減小液滴直徑有利於縮短乾燥脫水時間,可有效降低乾燥塔的高度;由於旋流式組合壓力噴嘴霧化滴徑的減小,脫水速度明顯加快,在不影響乾燥物料性質的前提下,適當提高進風溫度,同時有效地降低排氣溫度,有利於提高幹燥塔的蒸發強度,也有利於提高幹燥設備的平均能源利用率。Full size orifice - all series n388 valves have a full - size orifice to assure pipe size capacity. water passages are streamline to provide high water flow with minimal pressure loss
全通徑噴嘴-所有系列n388閥門都有一個全通徑噴嘴以確保管道口徑的通過能力。水流道為流線型,在壓降最小前提下實現高流量。On the basis of these factors, an empirical equation for the maximum pressure drop was determined
在綜合考慮各影響因素的基礎上,得出了雙噴嘴矩形噴動床最大噴動壓降的經驗關聯式。The maximum pressure drop and the operational pressure drop were investigated in a rectangular spouted bed with double nozzles by using air as spouting fluid
摘要在雙噴嘴矩形噴動床內,以空氣為噴動氣體,研究了最大噴動壓降與操作壓降的變化規律和影響因素。The law how the controlling parameters, such as the pressure before injecting, total pressure of the gas, the survey distance to exit, affect the discharge coefficient and the mean diameter of the spray is analyzed
通過冷態試驗,分析了液體噴注壓降、氣體總壓等控制參數及測量位置對噴嘴流量系數、霧化平均直徑的影響。分享友人