123,123

內(nèi)容簡(jiǎn)介

　　本書(shū)除了介紹液壓與氣壓傳動(dòng)的基本原理、基本概念，還介紹機(jī)床、工程機(jī)械等多個(gè)行業(yè)設(shè)備中液壓系統(tǒng)常用的液壓元件、典型液壓系統(tǒng)等。全書(shū)共10 章，第1～2 章為基礎(chǔ)知識(shí)，包括液壓與氣壓傳動(dòng)的基本原理和基本概念，以及液壓流體力學(xué)基礎(chǔ)；第3～6 章介紹液壓傳動(dòng)常用的液壓元件、液壓油和液壓系統(tǒng)輔助元件；第7～8 章介紹液壓基本回路和典型液壓回路；第9 章介紹液壓系統(tǒng)設(shè)計(jì)與計(jì)算，通過(guò)一個(gè)設(shè)計(jì)實(shí)例闡明一般液壓系統(tǒng)的設(shè)計(jì)原則、方法和步驟；第10 章介紹氣壓傳動(dòng)，包括常用的氣壓傳動(dòng)元件（簡(jiǎn)稱(chēng)氣動(dòng)元件）、氣壓傳動(dòng)基本回路（簡(jiǎn)稱(chēng)氣動(dòng)基本回路）和氣壓傳動(dòng)系統(tǒng)（簡(jiǎn)稱(chēng)氣動(dòng)系統(tǒng)）實(shí)例。

作者簡(jiǎn)介

　　第一作者姚林曉：主要從事工程機(jī)械潤(rùn)滑裝置三維設(shè)計(jì)及流動(dòng)仿真模擬方面的教學(xué)科研工作。主持并參與省廳級(jí)科研項(xiàng)目12項(xiàng)，橫向課題8項(xiàng)，獲獎(jiǎng)10項(xiàng)，其中作為主持獲獎(jiǎng)4項(xiàng)，○1基于辛幾何學(xué)的大型柔性空間結(jié)構(gòu)動(dòng)力特性研究”○2柔性多體智能結(jié)構(gòu)滑?？刂蒲芯颗c工程應(yīng)用” ○3車(chē)輛集中潤(rùn)滑系統(tǒng)潤(rùn)滑脂流動(dòng)仿真模擬及工程應(yīng)用”這三項(xiàng)分別獲河南省教育廳科技成果一等獎(jiǎng)，○4車(chē)輛集中潤(rùn)滑系統(tǒng)潤(rùn)滑脂流動(dòng)仿真模擬及工程應(yīng)用”獲河南省科技進(jìn)步二等獎(jiǎng)；主編和副主編出版教材各1部，參編學(xué)術(shù)專(zhuān)著1部；發(fā)表論文12篇，其中三篇第一作者論文分獲河南省優(yōu)秀論文二等獎(jiǎng)和三等獎(jiǎng)，SCI、EI收錄論文4篇。授權(quán)專(zhuān)利7項(xiàng)。從事教學(xué)工作20年來(lái)，主要擔(dān)任了液壓與氣壓傳動(dòng)、機(jī)械原理和機(jī)械設(shè)計(jì)基礎(chǔ)課程的本科生教學(xué)任務(wù)和計(jì)算流體力學(xué)的研究生教學(xué)任務(wù)。

圖書(shū)目錄

目錄
第1 章緒論 ·················································································································.1
1.1 液壓與氣壓傳動(dòng)基本原理、組成和圖形符號(hào) ·······························································.2
1.1.1 液壓與氣壓傳動(dòng)基本原理 ·············································································.2
1.1.2 液壓與氣壓傳動(dòng)系統(tǒng)的組成 ··········································································.4
1.1.3 液壓傳動(dòng)圖形符號(hào) ······················································································.5
1.2 液壓與氣壓傳動(dòng)的優(yōu)缺點(diǎn) ·······················································································.6
1.2.1 液壓與氣壓傳動(dòng)的優(yōu)點(diǎn) ················································································.6
1.2.2 液壓與氣壓傳動(dòng)的缺點(diǎn) ················································································.6
1.3 液壓與氣壓傳動(dòng)的應(yīng)用與發(fā)展 ·················································································.7
1.3.1 液壓與氣壓傳動(dòng)的應(yīng)用 ················································································.7
1.3.2 液壓與氣壓傳動(dòng)技術(shù)的發(fā)展 ··········································································.8
1.4 本書(shū)內(nèi)容安排 ······································································································.8
本章小結(jié) ···················································································································.9
思考與練習(xí) ················································································································.9
第2 章液壓流體力學(xué) ·································································································.10
2.1 液體的主要物理性質(zhì) ···························································································.10
2.1.1 密度 ······································································································.10
2.1.2 壓縮性和膨脹性 ·······················································································.11
2.1.3 黏性 ······································································································.11
2.2 液體靜力學(xué) ·······································································································.13
2.2.1 液體所受的作用力 ····················································································.13
2.2.2 靜止液體微分方程的推導(dǎo) ···········································································.14
2.2.3 靜止液體微分方程的應(yīng)用 ···········································································.15
2.2.4 壓力的表示方法及單位 ··············································································.17
2.3 流動(dòng)液體的力學(xué)基本規(guī)律 ·····················································································.18
2.3.1 經(jīng)典流體力學(xué)研究方法介紹 ········································································.18
2.3.2 流動(dòng)液體力學(xué)的基本概念 ···········································································.19
2.3.3 流動(dòng)液體的連續(xù)性方程 ··············································································.20
2.3.4 理想液體流動(dòng)的微分方程 ···········································································.20
2.3.5 伯努利方程 ·····························································································.21
2.3.6 動(dòng)量方程 ································································································.22
2.4 液體在流動(dòng)中的能量損失 ·····················································································.24
2.4.1 流態(tài)實(shí)驗(yàn)和雷諾數(shù) ····················································································.24
2.4.2 液體圓管流動(dòng)中的沿程壓力損失 ··································································.26
2.4.3 液體流動(dòng)中的局部壓力損失 ········································································.29
2.4.4 管道系統(tǒng)中的總壓力損失和壓力效率 ····························································.30
2.5 液體在小孔和縫隙中的流動(dòng) ··················································································.32
2.5.1 液體在小孔中的流動(dòng) ·················································································.32
2.5.2 液體在縫隙中的流動(dòng) ·················································································.34
2.6 液壓卡緊問(wèn)題 ·····················································