The effects of different parameters and cross-sections on axial velocity, the distribution of secondary flow, temperature field, turbulent kinetic energy, wall friction coefficient and wall Nusselt number are analyzed in detail.

詳細(xì)分析了充分發(fā)展的和發(fā)展段的湍流管道內(nèi)国产美腿美女被操，不同截面形狀和幾何參數(shù)對軸向速度分布，截面二次流結(jié)構(gòu)探花自拍日韩视频在线，湍動能欧美日韩中国产视频，曲線管道摩擦比，溫度分布和曲線管道Nusselt系數(shù)比等管道流動和傳熱特性的影響美女网站操视频。

Directed against stress properties of lining structure of loess highway tunnel, the paper selects three loess highway tunnels as relying engineering according to buried depth and soil properties, and takes field observation synthetically for the first time, which pays more attention to researches on the change regulations of pressure acting on first lining and invert, axial force of lattice girder, contact stress between first and second lining, concrete strain of second lining verse the time and distributions in different positions.

針對黃土公路隧道襯砌結(jié)構(gòu)受力特性超碰在线亚洲黄色，根據(jù)埋深和土質(zhì)情況，選取三座黃土公路隧道為依托工程一级a爱片在线观看视频免费，首次開展了大規(guī)模系統(tǒng)的現(xiàn)場測試国产精品床在线观看爽爽，著重研究了一襯和仰拱圍巖壓力、格柵拱鋼筋軸力www.uuu26com、一襯和二襯接觸應(yīng)力以及二襯混凝土應(yīng)變時間變化規(guī)律及分布特性一级国产黄色av。

By using a wide field stereo-microscope and a CCD video camera system,the axial liquid flow and dryout pointin vertical rectangular capillary microgrooves heat sink were observed and measured under pure evaporation heat transfer conditions.An experimental study of the influences of microgroove geometric parameters and working liquids on wetting height was conducted.

利用寬視場體視顯微鏡和CCD攝像系統(tǒng)對純蒸發(fā)換熱情形下豎直放置的矩形毛細(xì)微槽群熱沉中的液體沿微槽槽道方向的流動情況和干涸點(diǎn)高度進(jìn)行了觀察測量，并對微槽幾何尺寸婷婷国产天堂久久综合五月、工質(zhì)等因素對潤濕高度的影響進(jìn)行了實驗研究毛茸茸性交。

The XRD result indicates that the axial ratio c/a of the tetragonal structure decreases with increasing the content of platinum, which leads to an increase of the deviation from unity of the tetragonal structure. So that, the anisotropy field of the ordered phase is improved and the coercivity is increased.

合金的X射線衍射結(jié)果表明：時效熱處理后，隨著Pt含量的增加岛国片在线播放，合金面心四方結(jié)構(gòu)的有序相的c/a值逐漸減小国产91大屁股熟女，c/a值的減小增大了四方晶格結(jié)構(gòu)的a與c方向的不對稱性，使有序相的磁晶各向異性場增大小视频色网址，提高了合金的矯頑力

The inner flow field of modified Perspex impeller of a centrifugal pump was measured by advanced PIV system, and the absolute speed vectorgraph and original data of the axial eddy were acquired.

采用先進(jìn)的粒子圖像測速系統(tǒng)對普通葉輪改型設(shè)計后的有機(jī)玻璃葉輪內(nèi)部流場進(jìn)行無接觸測量久视频网无码性一区，獲得軸向旋渦流絕對速度矢量圖及原始數(shù)據(jù)。

The picrite field, located in the southwest of Emeishan continental flood basalts and with the center in Lijiang—Dali—Panzhihua triangular area, is about 5×104 km2 and regarded as the axial area of the Emei mantle plume.

峨眉山大陸溢流玄武巖的西南部以麗江人人人操人人爽、大理和攀枝花三角區(qū)為中心的苦橄巖分布區(qū)淫荡AV，面積約5×10 4 km2 ，為峨眉地幔柱的軸部區(qū)黄色网站免费在线观看啊啊啊。

The flow field model of port plate pair in condition of the linear axial pressure distribution and dynamic model of flow divider pintle supporting system in abruptly variable load were established. Based on the two models, the balancing characteristics of flow divider pintle in ball piston pump was investigated.

在軸向壓力線性分布的條件下亚洲欧美另类中文字幕，建立了配流副的流場模型国产高清真人一级视频在线播放，同時建立了配流軸支承系統(tǒng)在突變載荷下的動態(tài)仿真模型，在此基礎(chǔ)上對球塞式液壓泵配流軸的平衡特性進(jìn)行了研究草草影院www色欧美极品。

Using a model regarding the impeller as homogeneous rotating circular with same thickness and various density,the residual strain field and plastic deformation zone size of certain supercharger impeller were calculated at 30 000 r／min over-speeding preload by means of axial symmetry plane stress elasto-plastic analysis method,and were compared with the result of resistance strain measurement method.

將柴油機(jī)渦輪增壓器葉輪簡化為一個均質(zhì)精品国产一区二区不卡毛、等厚、變密度的旋轉(zhuǎn)圓盤黄色三级片地址91视频，按軸對稱平面應(yīng)力彈塑性分析方法計算了國產(chǎn)某型增壓器葉輪在30 000 r／min超速預(yù)加載后的殘余應(yīng)變場和輪內(nèi)塑性區(qū)尺寸殴美性爱网址；又用電阻應(yīng)變測量法測得超速葉輪的實際應(yīng)變。

Axial temperature and pressure drop are calculated by finite difference. Radial temperature field is calculated by finite element.

采用有限差分方法求解了軸向溫降及壓降簧网站在线观看网站永久，采用有限元方法求解了徑向溫度場欧美黑大粗硬。

We gain the correlative distributing of temperature field with radial and axial.

在材料熔化過程中，采用溫度補(bǔ)償法處理潛熱的吸收和釋放三级A片想干就干。