rocket field 中文意思是什麼
rocket field
解釋
火箭試驗場-
Aiming at the conveying - alcohol pipe system of a certin model gas generator in our school rocket engine field laboratory, this paper does a series of simulation studies using amesim, analyses and summarizes the results of simulations, and at the same time implements some waterhammer experiments, and compares the results with the ones of simulations
本文針對我校火箭發動機試驗外場的某型燃發器試驗酒精供應管道系統，使用amesim進行了一系列的模擬研究，對模擬的結果進行了分析和總結，同時還開展了水擊試驗，並與模擬進行了對比。 -
For studying the performance of solid rocket ramjet under the influence of different flight conditions, it ' s significant to simulate the integrated flow field of inlet and combustor
因此，開展超聲速進氣道/補燃室流場一體化數值模擬研究對于考查飛行狀態對於火箭沖壓發動機性能的直接影響具有重要的現實意義。 -
It is important to develop experiment techniques to simulate flow field in the study of solid rocket motor with high acceleration
本文以高過載固體火箭發動機研製需求為背景，圍繞高過載發動機內流場的地面模擬試驗技術展開研究。 -
In other cases, civil engineers are assigned to work on a project in another field ; in the space program, for instance, civil engineers were necessary in the design and construction of such structures as launching pads and rocket storage facilities
另外土木工程師還會被安排到另一些領域區工作，如太空開發計劃，在設計和建造一些結構如火箭發射架和儲存設施時，土木工程師就有必要參與其中的設計和建設。 -
For the research requirement of the high g - load mobile missile srm, the work process of solid rocket motor under lateral overload is investigated by the use of theoretical analysis and numerical simulation methods involving the calculation of internal ballistics, the simulation of flow field and the analysis of structural integrity
本文以高速機動防空導彈固體發動機研製需求為背景，採用理論分析和數值模擬方法，從內彈道計算、內流場模擬、結構完整性分析等幾個方面對橫向過載作用下固體火箭發動機工作過程進行了研究。 -
Abstract : introduces a method to eliminate influence of power supply and air - feed system on exact measurement of micro - thrust of electric rocket in the gravity field, so micro - thrust can be measured accuratelg and automatically
文摘:介紹了在重力場中，消除電火箭自重及其供電供氣系統對微小推力測量影響的方法，從而實現電火箭微小推力自動準確的測量。 -
With zonal patched grid technology and second - order zonal solver method, the numerical simulation on inlet complex flow field of solid rocket ramjet assisted range projectiles with different struts shapes was made at different mach numbers
摘要結合分區對接網格技術和二階精度區域分解演算法，對某沖壓增程彈丸進氣道在不同來流攻角和不同側向支柱形狀工況下的內外復雜流場進行了數值模擬。 -
Throughout this past week, several minor league players have referred to clemens as the best pitcher in baseball history, so it was appropriate that the rocket began his second run with the yankees at legends field in tampa
過去一周來，一些小聯盟球員只知道火箭人在棒球史上是位優秀投手，因此，當知道他將在這個球場展開他在洋基的第二場棒球生涯 -
Rocket update : clemens worked out at the yankees ' legends field facility in tampa, fla., again on tuesday, conducting a two - hour, 50 - minute session in which he ran for 12 minutes, according to the associated press
火箭人最新狀態：根據美聯社報導，火箭人周二在坦帕球場經過兩小時50分的熱身，包含12分鐘的跑步訓練。 -
The analysis is focused on the acceleration influence on burn rate of the grain when the solid rocket motor is working under lateral overload. the simple model of burn rate in acceleration field is established. moving laws of burn surface for two different grain type srms are respectively derived, on the base of which zero dimension and one dimension quasi - steady internal ballistic simulation models are established
分析了橫向過載對固體推進劑燃速的影響，建立了橫向加速度場中的簡化燃速模型，推導了兩種不同藥型的燃面退移規律，在此基礎上進行了零維、一維準定常內彈道計算與分析，建立了固體火箭發動機內流場三維兩相流模型。 -
( 4 ) the application of artificial neural network in the field was studied. by bp ( back - propagation networks ) neural network and rational choice of the calculation factor, the relation between the improved mixture composition and combustion rate, and that between the charge of ignition rocket and p - t curve were simulated. the model could exhibit in essence the inherent relation and the forecasted results were in good agreement with the actual testing results, which showed that the model could be used as a guide for the design of the composition and the ignition engine, and that artificial neural network could be employed in the field for the purpose of reducing experimental work of hazardous materials
（ 4 ）對人工神經網路在該領域的應用進行了研究，先後利用誤差反傳神經網路（ bp網路） ，並選擇合理的計算因子，分別對改進耐水點火藥配方與燃燒速度以及點火發動機裝藥與p - t曲線進行了模擬，模型基本能夠反應它們之間的內在聯系，預測結果與實際測試結果基本吻合，模型基本能夠指導藥劑配方和點火發動機的設計，表明了人工神經網路可以應用於該領域以期達到減少危險品試驗的目的。 -
Abstract : the review presents the recent status and achievements on numerical simulation studies of solid rocket motor chamber internal flow field from three aspects, including numerical analysis of internal flow during the ignition transient period, fin - slot flows in solid rocket motor, and calculation of particle trajectories and slag deposition. it also puts forward the focal points of research on numerical simulation of solid rocket motor chamber internal flow field in our country
文摘:從三個方面介紹了固體火箭發動機燃燒室內流場數值模擬研究的現狀及取得的成果，包括發動機點火傳播及起動過程的數值研究，翼環槽內流場研究和粒子軌跡、熔渣計算，並對我國開展此項研究的重點提出了建議。
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