储油罐参数的确定.doc

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1、储油罐参数的确定通常加油站都有若干个储存燃油的地下储油罐，并且一般都有与之配套的“油位计量管理系统”，采用流量计和油位计来测量进/出油量与罐内油位高度等数据，通过预先标定的罐容表（即罐内油位高度与储油量的对应关系）进行实时计算，以得到罐内油位高度和储油量的变化情况。表一二给出了小椭圆型储油罐（两端平头的椭圆柱体，如图所示）进出油数据，请根据这些数据确定油罐的参数（a,b以及油罐的长度l）。表一：进油数据流水号油罐号累加进油量/L油位高度/mm采集时间11150159.022010-08-1810:32:18121100176.142010-08-18

2、10:33:18131150192.592010-08-1810:34:18141200208.502010-08-1810:35:18151250223.932010-08-1810:36:18161300238.972010-08-1810:37:08171350253.662010-08-1810:38:08181400268.042010-08-1810:39:08191450282.162010-08-1810:40:08201500296.032010-08-1810:41:08211550309.692010-08-1810:41:58

3、221600323.152010-08-1810:42:58231650336.442010-08-1810:43:58241700349.572010-08-1810:45:18251750362.562010-08-1810:46:08261800375.422010-08-1810:47:08271850388.162010-08-1810:48:08281900400.792010-08-1810:49:08291950413.322010-08-1810:49:583011000425.762010-08-1810:50:583111050

4、438.122010-08-1810:51:583211100450.402010-08-1810:52:483311150462.622010-08-1810:53:483411200474.782010-08-1810:54:483511250486.892010-08-1810:55:483611300498.952010-08-1810:56:383711350510.972010-08-1810:57:383811400522.952010-08-1810:58:383911450534.902010-08-1810:59:28401150

5、0546.822010-08-1811:00:284111550558.722010-08-1811:01:184211600570.612010-08-1811:02:184311650582.482010-08-1811:03:184411700594.352010-08-1811:04:084511750606.222010-08-1811:05:084611800618.092010-08-1811:05:584711850629.962010-08-1811:06:584811900641.852010-08-1811:07:5849119

6、50653.752010-08-1811:08:485012000665.672010-08-1811:09:485112050677.632010-08-1811:10:485212053.83678.542010-08-1811:11:185312103.83690.532010-08-1811:12:185412105.06690.822010-08-1812:36:185512155.06702.852010-08-1812:37:185612205.06714.912010-08-1812:38:185712255.06727.032010

7、-08-1812:39:185812305.06739.192010-08-1812:40:185912355.06751.422010-08-1812:41:186012404.98763.702010-08-1812:42:186112406.83764.162010-08-1812:50:286212456.83776.532010-08-1812:51:386312506.83788.992010-08-1812:53:086412556.83801.542010-08-1812:54:086512606.83814.192010-08-18

8、12:54:586612656.83826.952010-08-1812:56:086712706.8383