...但影响因素多,实现起来较为困难,对实验设备和操作要求高。数值模拟依托实验进行,计算的几何和边界条件一般都由实验给出,因此针对叶尖泄漏流动的数值模拟也是在高雷诺数、复杂几何下进行的。在现有计算能力下,只能通过雷诺平均(RANS)的方式进行研究,而无法适用于DNS、LES等高精度计算方法。
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(3)雷诺平均模拟(RANS)是目前应用较广泛的湍流模型。综观封闭雷 6 第二章水电站地下主厂房施工通风数学模型 诺应力的湍流模型,目前文献中广泛应用的是...
基于174个网页-相关网页
本文在前期研究的基础上,利用专业的计算流体动力学(CFD)软件FLUENT,采用稳态雷诺平均纳维斯托克斯(RANs)的噪声源稳态求解,即结合Lilley方程以及合成湍流(Syntheticturbulence)的方法得到压力发生器内的速度波动,用这一特性来定性对...
基于172个网页-相关网页
·2,447,543篇论文数据,部分数据来源于NoteExpress
"the Yankees scored 3 runs in the bottom of the 9th"
同义词: tally
"she broke the record for the half-mile run"
"Nicklaus had a run of birdies"
同义词: streak
"the defensive line braced to stop the run"; "the coach put great emphasis on running"
"the ship made its run in record time"
"he broke into a run"; "his daily run keeps him fit"
同义词: running
"the assembly line was on a 12-hour run"
"he has the run of the house"
"a daily run of 100,000 gallons of paint"
"he is raising money for a Senate run"
"she got a run in her stocking"
同义词: discharge outpouring
"the play had a long run on Broadway"; "the team enjoyed a brief run of victories"
"take a run into town"
"Don't run--you'll be out of breath"
"If you see this man, run!"
同义词: scat scarper turn tail lam run away hightail it bunk head for the hills take to the woods escape fly the coop break away
"Service runs all the way to Cranbury"
"She is running a relief operation in the Sudan"
同义词: operate
"the story or argument runs as follows"
同义词: go
"Does this old car still run well?"
"Interest rates run from 5 to 10 percent"
同义词: range
"Who's running for treasurer this year?"
同义词: campaign
同义词: play
"who are these people running around in the building?"; "She runs around telling everyone of her troubles"; "let the dogs run free"
"These dresses run small"
"run a new program on the Mac"
同义词: execute
"The car is still running--turn it off!"
"run amok"; "run rogue"; "run riot"
"run a subject"; "run a process"
"run a temperature"; "run a risk"
"Musical talent runs in the family"
同义词: carry
"run an errand"
同义词: lead
同义词: black market
"run the dogs"
"These dyes and colors are guaranteed not to run"
同义词: bleed
"The film runs 5 hours"
同义词: run for
"the heifers run with the bulls to produce offspring"
同义词: consort
"She always runs to Italy, because she has a lover there"
同义词: ply
"The dogs are running deer"
同义词: hunt hunt down track down
"he is running the Marathon this year"
同义词: race
"run through your presentation before the meeting"
"Her nylons were running"
同义词: ladder
同义词: unravel
以上来源于: WordNet
Ran is the past tense of run. (run)的过去式
They hurt the also-rans as much as they help the winner.
他们伤害失败者的程度与帮助获胜者的的程度一样大。
This union of two also-rans against the winner has a clear logic.
这两家落后的公司抵抗谷歌的联盟具有清晰的逻辑。
Spain, long one of Europe's also-rans, is about to join the big league; Italy is going in the other direction.
长期以来,西班牙是欧洲一个局外人,而现在它即将加入这个大联盟,与此同时,意大利却沿着另外一个方向前进。
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