因此,在设计此类高超声速巡航飞行器时,应采用模块化的推进系统并折衷选择前体长度和前缘角的大小。
Hence, modularized propulsion system and the trade-off among these variables must be taken into account in the configuration design of the hypersonic cruise vehicle.
依据层次分析法原理,将三角洲前缘共划分出5个层次,分析了各级界面的岩石类型、分布特征及物性特征。
Based on the principle of hierarchical analysis, the deltaic front is divided into 5 hierarchies, for which the rock types, its distributional characteristic for each interface are analyzed.
分析了耦合运动对前缘分离涡和气动特性的影响,以及不同相位角和不同频率对耦合气动特性的影响。
The effects of coupled motion on the leading edge vortex and aerodynamic character of the wing were analyzed.
由于泥沙的沉积,河床抬升,水深变小,水流速度场在整个堆积扇上明显增大,并在三角洲前缘出现明显的绕岛环流和河流分叉现象。
The water depth reduced due to deposition, the water flow velocity upon the alluvial sector increased obviously and at the front of the delta exists currents around the sand bar.
辫状三角洲体系的平原相基本上由辫状河道沉积组成,三角洲前缘及前三角洲相带则以快速堆积、滑塌及浊流沉积为主。
Braid delta systems mainly consist of braid river deposits in delta plain facies, rapid accumulation deposits, slump deposits and turbidites in delta front and prodelta facies.
该构造储层属三角洲前缘亚相的水下分流河道微相沉积,并存在由成岩作用形成的次生孔隙发育带。
Its reservoir with secondary porosity zone is also a key for petroleum pool formation, which is of distributary channel of fan delta front.
波浪作用可以侵蚀浪基面附近的三角洲前缘砂体,并在回流作用下携带至最大浪基面之下再沉积,沉积过程中形成小型浊积体。
The sediments of delta front around wave base plane are eroded by wave action and took along to redeposit below wave base plane, during which turbidite is formed.
其中曲流河河道,三角洲前缘水下分流河道、分流河口砂坝、远砂坝以及滩坝是主要的砂体成因类型。
The channel of meandering river, the distributary channel of delta front , distributary mouth bar , distal bar and the beach bar are the main sand body types.
含油气砂岩段主要以三角洲前缘水下分流河道和水下分流河口砂坝沉积微相为主。
The environment of sandstone containing oil and gas includes underwater distributary's channel and estuary dam in the delta frontier.
环境系数通常与距离生油凹陷的远近及与三角洲前缘砂体的接触程度等外部环境因素有关。
The environment coefficient usually relates to some external environment factors, such as the distance to genetic sag and the contact degree to frontal sand body of delta.
建议今后勘探应注重三角洲平原亚相和前缘亚相的分支河道砂、河口砂坝中的块状粗—中砂岩储层。
It suggests that the reservoirs with the branch channel sand in the delta plain and front and coarse to medium sandstones are the important exploration targets in the future.
该三角洲沉积的特征是入海河流流速低而流量大,泥沙含量高而粒级细小,在三角洲前缘伴生有生物礁(滩)。
The river for building the delta was characterised by low velocity, high discharge, high concentration of fine clay and sand, and associated with reef (shoal) in delta front.
扇三角洲沉积体明显地可划分为:扇三角洲平原亚相、扇三角洲前缘亚相和前扇三角洲亚相。
The fan deltaic body can be divided into three subfacies, named fan delta plain, fan delta front and pro-fan delta.
准噶尔盆地侏罗系属河流三角洲沉积体系,在盆地腹部发育三角洲前缘水下分流河道及河口坝等多类砂体。
The Jurassic of Junggar basin is a river delta sedimentary system, with subaqueous distributary channel and mouth bar sand body developed in the hinterland of Junggar basin.
该三角洲复合体由100多个沉积单元组成。每一个扇三角洲单元,可分出平原相,前缘相。
The delta complex is composed of over100sedimentary units each of which can be divided into a plain facies and a frontier facies.
其主要沉积环境是三角洲前缘和三角洲水下河道砂体以及分支河口砂坝。
The main sedimentary environment is delta front and delta underwater channel sand and branched channel mouth bar.
三角洲坡型前缘的物性特征优于三角洲台型前缘。
The reservoir physical characterization in sloping delta front excelled that of mesa delta front.
在河口湾、潮间带和河流三角洲前缘环境中形成的沉积体也不适合进行构型单元分析。
It is also not suitable for the deposits formed in sedimentary environments such as firths, tidal zones and fluvial deltas.
结果造影显示颌下腺腺体呈倒梨状位于下颁角后下方,主导管细长由腺体前缘发出,水平向前走行。
ResultsSialograms showed a long, horizontal main excretory duct and a pear-shaped gland located infero-posterior to the angle of the mandible.
注水开发后期胜坨油田三角洲前缘反韵律厚油层剩余油分布复杂。
Residual oil distribution is complicated in the thick reverse rhythm reservoir in the delta front of Shengtuo oilfield in late waterflooding stage.
充分利用密闭取心、密井网等资料,精细剖析了双河油田扇三角洲前缘储层沉积微相及其分布。
The microfacies and their distributions of fan delta front in Shuanghe oil field are analyzed in detail by using sealed coring data, highly dense well patterns and so on.
在剖面上,叠瓦冲断带位于三角带构造的前缘下方,平面上呈重叠分布。
On the section, the imbricate thrust zone is situated below the front margin of the triangular-zone structure, and they are overlapping distributed on plane.
浅水三角洲前缘平坦、开阔。
在坳陷湖盆,河道、湖岸线和缓坡对有利于岩性圈闭发育的三角洲前缘砂体具有明显的控制作用。
The rival channel, lake shoreline and gentle slope are quite important for controlling the delta-front sand-body of lithologic trap in a depression basin.
采用差分方法计算旋涡流场,进而分析三角翼上前缘分离涡的运动特点及其破碎机理。
The vortex flow field is calculated with difference methods, and the motion characteristics and the bursting mechanism of the leading-edge separated vortices of delta wing are analyzed.
扇三角洲前缘水下分流河道形成的碎屑岩体是扇三角洲沉积的主体部分,成为主要的油气储集体。
The subaqueous distributary channel clastic rock bodies in the fan delta front formed the main part of the fan delta and the most important oil and gas reservoirs.
气藏内有利储集砂岩多属三角洲前缘河口砂坝、三角洲平原分流河道砂坝及河流相河道砂坝微相。
The favourable reservoir sandstones in these gas pools may broadly be assigned to the deltaic front channel mouth bar, deltaic plain distributary channel bar and fluvial channel bar microfacies.
前缘相向外,则为前扇三角洲相。
Further out from the frontier facies exists pre-fan delta facies.
用速度梯度、压力梯度和环量梯度模拟大攻角尖前缘三角翼流场。
Velocity gradient, pressure gradient and circulation gradient are used to model the separated vortex flow field over a leading edge delta wing.
用速度梯度、压力梯度和环量梯度模拟大攻角尖前缘三角翼流场。
Velocity gradient, pressure gradient and circulation gradient are used to model the separated vortex flow field over a leading edge delta wing.
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