laval nozzle 中文意思是什麼
-
Two designing methods for laval nozzle were introduced, and based on this work a design software for supersonic separator was developed. all the critical dimensions of supersonic separator can be obtained by simply inputting the parameters at the inlet of supersonic separator and the molar fractions of different components of natural gas into the design software mentioned above
在所開發成功的超音速分離管設計軟體中，只要輸入天然氣各組分的摩爾分數、超音速分離管的入口參數，以及天然氣的日處理量，就可以計算出超音速分離管所有部件的控制尺寸，完成超音速分離管的結構設計。 -
The conveying parameters were relatively optimized by adjusting the throat area of adjustable laval nozzle and pressure parameters, so that the foodstuff particle breaking rate during pneumatic conveying was decreased at certain extent
通過調節可調式拉法管的喉徑以及各壓力參數實現了輸送參數的相對最優，在一定程度上減輕了糧食顆粒在輸送過程中的破碎率。 -
Study on gas - solid two - phase flow in laval nozzle and laval nozzle length
縮放噴管內的氣固兩相流動和縮放噴管長度的研究 -
In order to separate gas and solid two phases completely, the velocity of particles at the exit of laval nozzle should be high enough, therefore the laval nozzle should be long enough
?了更好地實現氣、固兩相分離，顆粒在縮放噴管出口處的速度應該足夠大，因而縮放噴管就應該足夠長。 -
By increasing the length of laval nozzle, an approach was presented to obtain higher particle velocity necessary for gas - solid separation in dusty gas of high temperature and high pressure
提出了用增加縮放噴管長度的方法，使含塵高溫高壓氣體中的灰塵顆粒獲得實現氣固兩相分離所必需的更高動量的途逕。 -
Based on one dimension flow theory and lagrange method, the correlation of speeding rate of particles under gas flow drag with the size of particles and the length of laval nozzle used for the gas and solid two - phase separation test apparatus was studied
摘要採用一元流動理論和拉格朗日方法，研究了用於氣、固兩相分離試驗裝置的縮放噴管內，被氣流拖曳的顆粒加速率與顆粒大小和縮放噴管長度的關系。 -
It is shown that with the decrease in size of particles, their velocity at the exit of laval nozzle increases under the conditions of both the invariable gas parameters and the same laval nozzle length ; the laval nozzle length increases with the size of particles under the same speeding rate of particles
研究表明，在氣流參數和縮放噴管長度不變的情況下，被氣流拖曳的顆粒越大，顆粒在縮放噴管出口處的速度就越低；在顆粒加速率相同的情況下，顆粒越大，所需的噴管長度就越長。 -
The flow field of fadw is very complicated, especially in the free vortex jet zone. so the method is according to the ideal flow, including the design of the asymmetric supersonic laval nozzle and the diffuser
所以，本文所建立的fadw的基本設計方法是理想狀態下的設計方法，其中主要包括非對稱超音速噴管的設計和氣動窗口擴壓器的設計方法。 -
The minimum requirement for supersonic separator to accomplish its basic function is that the flow inside the separator must be at the critical state at the laval nozzle throat and its flow rate must be equal to its critical flow rate, or the dehydration performance will deteriorate
改進旋流器的設計，使其摩阻盡量小，從而使激波向遠離laval噴管喉部方向移動，可以有效改善分離管的工作性能。在目前所設計的三個旋流器中，旋流器a的
分享友人