《机械采油》教案.pdf

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1、教学章节第一章流体的主要物理性质第一节流体的概念教学目标1、掌握流体的概念；2、掌握物质的三种形态的特性；3、掌握水力学研究液体的性质；教学重点流体的概念，固、液、气的特性及水力学研究的液体的性质教学难点分析固、液、气的特性及相互之间的相同处与不同处教学方法讲授法教学要点1、流体的概念；2、物质的特性；3、水力学研究的液体性质；课时安排1 课时教学设计过程【导课】液体的静止和运动与外部条件和内部的水力性质有关，众所周知，任何物质都是由微小分子组成的，这些分子在不断运动着，彼此之间有一定的空隙且有相互力的作用。从宏观上讲，物质以固体、液体、气体三种状态存在。新授一、流体的概念：1、概念：凡是无一

2、定形状，易流动的物质；2、特性：（1）分子之间的相互吸引力较小，即内聚力较小，几乎不能承受拉力。（2）具有一定的体积，没有一定的形状，在微小外力下可以发生流动，即具有流动性，有自由表面；（3）具有较大的抗压性，故可认为液体不可压缩；（4）静止时不能不能受抗剪切力；（5）流动时具有一定抗切能力，即具有粘滞性；（液体基本特性可以如下：液体是一种具有流动性，易变形，不可被压缩的均匀等连续介质）。（所谓不可压缩流体，是指流动的每个质点在运动全过程中，密度不变化的流体。对于均质的不可压缩流体，密度时时处处都不变化，即=常数。不可压缩流体是又一理想化的力学模型。）加讲二、气体的性质（1）分子间作用力小，有

3、流动性；（2）没有一定的形状，体积决定于容器大小，即无自由表面，能充满任何空间；（3）静止时也不能受抗剪切力；文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q

4、7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S

5、1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:

6、CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L

7、4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10

8、 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4

9、U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1文档编码:CD4L6L4J7A10 HR2Y4U6Q10N4 ZZ4Q7S5E7S1教学设计过程（4）流动时也具有粘滞性；(5）具有可压缩性；

10、三、相同与不同点（引导分析）1、相同之处：都具有流动性，流动时具有粘滞性，静止时无抗剪切能力。2、不同之处：气体无自由表面，可充满任何空间，且具有可压缩性。液体自由表面，液体有一定体积，但无一定形状，不可压缩；四、固体的特性：1、分子间吸引力较大，分子间距离很小，内聚力很大2、具有一定的体积和形状，无流动性，也能承受一定数量的拉力，压力，剪切力；从力学性质来看，固体具有抵抗压力、拉力、剪切力三种能力，因此在外力作用下，通常只发生较小的变形，而且在到一定程度变形就会停止。流体由于分子间引力小，不能保持一定的形状，所以它仅能抵抗压力而不能抵抗拉力和剪切力，当它受到剪切力的作用时，就会发生不断的变形

11、即流动。这就是固体和流体的显著区别。（加讲）五、水力学研究的液体的性质：是以水为代表，具有流动性，粘滞性，连续性，均质各向同性的以及不可压缩的介质。六、课后小结:文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM

12、1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V

13、1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM

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17、1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1教学设计过文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1

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25、A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8

26、Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1

27、A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8

28、Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1

29、A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8

30、Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1授课课程：钻采概论执 教 者：沙丽红授课班级：2011 届 4 班授课时间：2010 年 6 月 22 日文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文

31、档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D

32、4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文

33、档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D

34、4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文

35、档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D

36、4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1文档编码:CC8X5R5D1A4 HM1D4A3J9M6 ZY3Q8Q8I5V1