平面径向稳定渗流中，在半径为r的任意一断面上的渗流速度为：http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/f6ee0cd1c83b42f994bd32cfc9d565fb.jpg
举一反三
- 气体做平面一维稳定渗流时，供给压力Pe，出口压力Pw，稳定生产时气体渗流的拉氏方程为（ ）。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/4449c0735bb6412fbc2adf6e8bffc8c4.png"/> B: 无法确定 C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/13b1c0eb32f646779872037d48bc20c5.png"/> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/2ec69262988c495fbd520f8bc5d7a096.png"/>
- 根据达西定律，渗流速度V为：http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/2301c74d6d70429ebf72979894446455.jpg
- 平面一维稳定渗流的压力分布公式为（ ）。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/d08348f3b84f442d87994311dc13686b.jpg" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/2df214c86c5e4103897ba81ce2c6cd98.jpg" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/cc98e4a778cc463c965ac8115e028f86.jpg" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/bc82177c19d44acfa1b365c3d66ed0a4.jpg" />
- 当地层压力比较低时，平面径向等温稳定渗流时标准条件下的气体流量为（ ）。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/2c02739ebe7e4c299f50be41515d3a96.png"/> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/f72f0aea41564e64aa3c2c20eba0ba7f.png"/> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/00a3a7f957c047dc847eb4205cd0a29d.png"/> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/4f87f95881f04635a190a460e208c162.png"/>
- 真实速度和渗流速度的关系为：http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/9bb45af5a6ec46a8baacb26ed68b8982.jpg