| 蓄能器 |
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点击这返回总目录 |
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| 工作循环 |
流量(升/分) |
持续时间(秒) |
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| 1 |
0.183 |
2 |
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| 2 |
0.6 |
2 |
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| 3 |
0.317 |
2 |
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| 4 |
0.25 |
2 |
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| 5 |
0.95 |
2 |
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| 泵流量(升/分) |
0.46 |
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| 极限工作容积(升) |
1.26 |
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| 工作容积(升) |
10 |
充压指数 |
0.85 |
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折合式气囊 |
波纹形气囊 |
活塞式 |
隔膜式 |
| 系统压力(bar) |
140 |
过程指数 n |
1 |
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充压指数 |
0.8~0.85 |
0.6~0.65 |
0.8~0.9 |
0.8 |
| 最低压力(bar) |
100 |
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吸收液压冲击 |
p0=p1 |
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| 充气压力(bar) |
85 |
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消除脉动 |
p0=p1 |
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| 蓄能器容积(升) |
41.17647059 |
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绝热过程 |
恒温过程 |
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| 蓄能器用于吸收液压冲击 |
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过程指数 n |
1.4 |
1 |
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| 管道内径(mm) |
30 |
充气压力(bar) |
270 |
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| 管路长度(m) |
40 |
峰值压力(bar) |
300 |
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| 切换时间(s) |
0.05 |
最低压力(bar) |
270 |
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| 系统流量(L/min) |
250 |
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| 蓄能器容积 (L) |
77.34944817 |
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| 经验公式 (L) |
6.06 |
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| 液压冲击 |
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| 系统流量(L/min) |
300 |
管道内径(mm) |
100 |
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材料 |
弹性模量 (Mpa) |
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| 开(关)时间t (s) |
0.01 |
管壁厚度(mm) |
10 |
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液体 |
1670 |
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| 变化后流量(L/min) |
0 |
管路长度(m) |
20 |
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钢 |
210000 |
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| 液体弹性模量 (Mpa) |
1670 |
管壁材料弹性模量 (Mpa) |
210000 |
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紫铜 |
120000 |
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黄铜 |
100000 |
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| 冲击波速度v (m/s) |
1311.05487 |
直接冲击(t<T)压力变化(bar) |
7.511797422 |
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橡皮 |
2~6 |
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| 冲击波时间T (s) |
0.030509783 |
间接冲击(t>T)压力变化(bar) |
22.91833116 |
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铝合金 |
72000 |
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| v1(m/s) |
0.63662031 |
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| v2(m/s) |
0 |
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| 蓄能器容积(液压冲击) |
ρ- 油液密度(kg/m3) |
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Q- 阀关闭前管内流量(L/min) |
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L- 产生冲击波的管长(m) |
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A- 管道通流面积(㎝2) |
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t- 阀由全开到全关的时间(s) |
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p0- 充气压力(Pa) |
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P2- 峰值压力(Pa) |
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p1- 最低工作压力(Pa) |
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| 经验公式 |
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| 冲击波传播速度 |
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冲击波在管内往复所需时间 |
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| 直接冲击(t<T)压力变化 |
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