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- slightly compressible fluid 弱可压缩流体
- The weakly compressible fluid control equations and the large eddy simulation turbulence model are expounded. 摘要阐述了二维弱可压缩流体流动控制方程和大涡模拟湍流模型。
- The weakly compressible fluid model based on the Mach uniform method introduced by Peter Wesseling was developed. 采用该模型结合标量衍射理论对连续激光在封闭充气管道中受到的气体热效应影响进行了数值仿真。
- Fruit red, slightly compressed, 5-6 cm long, 4 mm in diam. 果实红色,稍扁,卵圆形,长5-6厘米,直径约4毫米。
- Seeds numerous, brown, reniform, slightly compressed, rugulose. 种子多数,棕色,肾形,稍压扁,微皱。
- The course begins with the basics of compressible fluid dynamics, including governing equations, thermodynamic context and characteristic parameters. 本课程从可压缩流体动力学的基础开始讲起,内容包括控制方程,热力学背景知识和特性参数。
- This book leads directly to the most modern numerical techniques for compressible fluid flow, with special consideration given to astrophysical applications. 这本书为可压缩流体流动直接导致最现代的数值技术,带有特别的考虑对天体物理学的申请给。
- Branchlets grayish brown when dry, slender, terete or slightly compressed. 小枝淡灰棕色干燥时,细长,圆柱状或者稍压扁。
- Capsule obcordate-ovoid, slightly compressed, hirsute with multicellular hairs. 蒴果倒心形卵圆形,稍压扁,具粗毛具多细胞毛。
- For compressible fluids, where pressure drop exceeds half the inlet pressure. 对于可压缩性流体,如果压降超过进口压力的一半。
- The boundary element method(BEM) fot compressible fluid and the improved multi-segmental transfer matrix method of thin, elastic axisymmetric shells is employed to solve the coupled vibration of shell filled with fluid. 联合采用可压缩流体的边界元法与轴对称弹性薄壳的改进多节传递矩阵法,求解内部充液的椭球壳的耦合振动。
- Using the weakly compressible fluid model and scalar wave equation,a numerical study was carried out for the gas thermal effects on laser propagating in a closed tube full-filled with air. 仿真结果与实验结果的对比表明,弱可压缩流计算模型能更精确地反映非自由边界热对流对气体密度分布的影响,进而反映流场对光束的影响。
- Achene ovoid, slightly compressed, with lustrous and crustaceous pericarp, enclosed by dry persistent perianth. 卵圆形的瘦果,稍压扁,有有光泽和壳质的果皮,藏于干燥的宿存花被。
- Achene obliquely ovoid, ca. 0.8 mm, slightly compressed, inconspicuously verrucose. 瘦果斜卵球形,大约0.;8毫米,稍压扁,不明显瘤状。
- Based on the theory of unsteady flow of compressible fluid and the seepage theory of formation fluid, the mathematical model of the gas transient flow in the wellbore has been established. 基于可压缩流体不稳定流动理论及地层流体渗流理论,建立了气体钻井过程中井筒瞬态流动的数学模型。
- Plants large, robust. Leaf blade terete, sometimes slightly compressed when dry, distinctly and perfectly septate. 植株大,粗壮。圆柱状的叶片,有时干燥时稍压扁,清楚和完全具隔。
- Capsule ovoid, slightly compressed, straight or oblique, loculicidal, apex obtuse or tapered. 蒴果卵球形,稍压扁,直的或偏斜,室背开裂,先端钝的或渐狭。
- Achenes somewhat drupaceous, obovoid, slightly compressed, closely enclosed by often fleshy, adnate perianth. 瘦果有点的具核果,倒卵球形,稍压扁,接近藏于通常肉质,贴生的花被。
- The governing equation of viscous compressible fluid and the boundary conditions for injection molding was formulated, based on which the governing equation about pressure field was derived. 建立了黏性可压缩流体的控制方程,给出了适合注射成型特点的边界条件及黏度模型,导出了求解压力场的控制方程。
- Achene greenish brown, broadly ovoid, ca. 0.8 mm, slightly compressed, verrucose. 瘦果褐绿色,宽卵形,大约0.;8毫米,稍压扁,多疣。