 |
 |
 |
 |
 |
 |
||
 |
 |
 |
 |
 |
| 4 | 1/1 | 返回列表 |
| 查看: 659 | 回復(fù): 3 | ||
| 本帖產(chǎn)生 1 個 翻譯EPI ，點擊這里進行查看 | ||
zoe122208木蟲 (正式寫手)
superboy
|
[求助]
求助
|
|
| 當(dāng)兩種金屬材料發(fā)生碰撞時，首先在兩種材料內(nèi)部沿著管件徑向產(chǎn)生方向相反的反射波。在隨后內(nèi)、外管的反射波分別在內(nèi)管內(nèi)壁和外管外壁發(fā)生反射，由于內(nèi)外管的壁厚不同，因此反射波的振蕩周期也不相同。在內(nèi)管中的沖擊波與碰撞時產(chǎn)生的沖擊波在碰撞點迭加形成壓力峰值。在碰撞點處的碰撞速度明顯高于碰撞點之后的金屬流動速度，因此在碰撞處形成波峰。由于在管中傳播的時間不同,導(dǎo)致波峰向焊接方向一側(cè)偏轉(zhuǎn)。 |
回復(fù)此樓» 猜你喜歡
312求調(diào)劑
已經(jīng)有5人回復(fù)
-
網(wǎng)絡(luò)空間安全0839招調(diào)劑
已經(jīng)有4人回復(fù)
-
329求調(diào)劑
已經(jīng)有3人回復(fù)
-
【2026考研調(diào)劑】制藥工程 284分 求相關(guān)專業(yè)調(diào)劑名額
已經(jīng)有8人回復(fù)
-
085602 289分求調(diào)劑
已經(jīng)有7人回復(fù)
-
材料學(xué)碩333求調(diào)劑
已經(jīng)有4人回復(fù)
-
各位老師您好：本人初試372分
已經(jīng)有6人回復(fù)
-
334分 一志愿武理-080500 材料求調(diào)劑
已經(jīng)有3人回復(fù)
-
0854電子信息求調(diào)劑
已經(jīng)有9人回復(fù)
-
347求調(diào)劑
已經(jīng)有4人回復(fù)
2樓2013-12-19 16:27:19
【答案】應(yīng)助回帖
★
真強必勝: 金幣+1, ok 2013-12-19 22:36:50
真強必勝: 金幣+1, ok 2013-12-19 22:36:50
| When the collision of two kinds of metallic materials happened, firstly, reflected waves along opposite radial directions of inside of the two kinds of pipe metallic materials. Subsequently, reflected waves of the inner pipe will reflect inside the inner wall of the pipe, and reflected waves of the outer pipe will reflect inside the wall of the outer pipe. As the different wall thickness of the inner and outer pipe, the periods of oscillation of the back waves are different. Pressure peak was formed at the collision point by overlap of shock waves of inner pipes. The collision speed at the collision point is higher than the speed of metal flow after the collision point, so the wave peak was formed at the collision point. As the spread of time are different, the wave peak deflect to the direction of welding. |
3樓2013-12-19 17:09:30
befair
鐵桿木蟲 (正式寫手)
- 翻譯EPI: 112
- 應(yīng)助: 131 (高中生)
- 金幣: 12327.3
- 紅花: 20
- 帖子: 661
- 在線: 608.6小時
- 蟲號: 2651461
- 注冊: 2013-09-13
- 性別: GG
- 專業(yè): 宏觀經(jīng)濟管理與戰(zhàn)略
【答案】應(yīng)助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
zoe122208: 金幣+50, 翻譯EPI+1, ★★★★★最佳答案, 感謝幫助 2013-12-20 13:26:18
zoe122208: 金幣+50, 翻譯EPI+1, ★★★★★最佳答案, 感謝幫助 2013-12-20 13:26:18
|
When two pieces of metals collide, at first reflective radial waves are resulted in the two materials in the opposite direction. Subsequently the reflective waves in the inner and outer pipe are reflected at the inner surface of the inner pipe and outer surface of the outer pipe, respectively. Due to the different wall thicknesses in the inner and outer pipe, the oscillation periods of the reflective waves are different, too. The shock wave in the inner pipe and the shock wave caused by collision are superposed at the collision point to form a pressure peak. The collision speed is clearly higher than the metal movement speed at this collision point than any point beyond and hence a wave crest is formed at the collision point. As the propagation times in the pipes are different, the wave crest is deflected towards the welding direction. 供參考, 不妥見諒 |
4樓2013-12-19 20:07:08
相關(guān)版塊跳轉(zhuǎn)
我要訂閱樓主 zoe122208 的主題更新
| 4 | 1/1 | 返回列表 |
| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 網(wǎng)絡(luò)空間安全0839招調(diào)劑 +3 | w320357296 2026-03-25 | 4/200 |
|
|---|---|---|---|---|
|
[考研] 一志愿吉林大學(xué)材料與化工303分求調(diào)劑 +4 | 為學(xué)666 2026-03-24 | 4/200 |
|
|
|
[考研] 278求調(diào)劑 +4 | 我可以上岸的對?/a> 2026-03-19 | 4/200 |
|
|
|
[考研] 化工專碩求調(diào)劑 +3 | question挽風(fēng) 2026-03-24 | 3/150 |
|
|
|
[考研] 招08考數(shù)學(xué) +7 | laoshidan 2026-03-20 | 16/800 |
|
|
|
[考研] 求調(diào)劑 +6 | 研研，接電話 2026-03-24 | 7/350 |
|
|
|
[考研] 307求調(diào)劑 +5 | 超級伊昂大王 2026-03-24 | 5/250 |
|
|
|
[考研] 299求調(diào)劑 +7 | 某某某某位 2026-03-21 | 7/350 |
|
|
|
[考研] 一志愿河北工業(yè)大學(xué)0817化工278分求調(diào)劑 +7 | jhybd 2026-03-23 | 12/600 |
|
|
|
[考研] 環(huán)境學(xué)碩288求調(diào)劑 +8 | 皮皮皮123456 2026-03-22 | 8/400 |
|
|
|
[考研] 291求調(diào)劑 +8 | hhhhxn.. 2026-03-23 | 8/400 |
|
|
|
[考研] 材料/農(nóng)業(yè)專業(yè)，07/08開頭均可，過線就行 +3 | 呵唔哦豁 2026-03-23 | 4/200 |
|
|
|
[考研] 一志愿南京理工大學(xué)085701資源與環(huán)境302分求調(diào)劑 +5 | 葵梓衛(wèi)隊 2026-03-18 | 7/350 |
|
|
|
[考研] 280分求調(diào)劑 一志愿085802 +4 | PUMPT 2026-03-22 | 7/350 |
|
|
|
[考研] 308求調(diào)劑 +3 | 墨墨漠 2026-03-21 | 3/150 |
|
|
|
[考研] 一志愿華中科技大學(xué)071000，求調(diào)劑 +4 | 沿岸有貝殼6 2026-03-21 | 4/200 |
|
|
|
[考研]
 一志愿東華大學(xué)控制學(xué)碩320求調(diào)劑
+3
|
Grand777 2026-03-21 | 3/150 |
|
|
|
[考研] 279求調(diào)劑 +5 | 紅衣隱官 2026-03-21 | 5/250 |
|
|
|
[考研] 288求調(diào)劑 +16 | 于海海海海 2026-03-19 | 16/800 |
|
|
|
[考研] 一志愿福大288有機化學(xué)，求調(diào)劑 +3 | 小木蟲200408204 2026-03-18 | 3/150 |
|