本書是在美國**教材《Unit OperaUons of Chemical Engineering》的基礎上，按照我國化工原理教學大綱要求改編而成的。本書共分十二章，主要內容包括流體流動、流體輸送、非均相體繫的流動和非均相混合物的分離、傳熱、蒸發、擴散原理及相間質量傳遞、平衡關繫和平衡級、氣體吸收、蒸餾，浸提和萃取、物料的干燥、板式塔和填料塔的設計等，每章末均附有習題。

本書是在美國著名教材《Unit OperaUons of Chemical Engineering 》的基礎上，按照我國化工原理教學大綱要求改編而成的，重點介紹化工 單元操作的基本原理、典型設備結構特性及其計算。根據知識點之間的關 繫，本書在內容編排上力求邏輯嚴謹，同時兼顧工程實用性。 本書主要內容包括：流體流動、流體輸送、非均相體繫的流動和非均 相混合物的分離、傳熱、蒸發、擴散原理及相間質量傳遞、平衡關繫和平 衡級、氣體吸收、蒸餾，浸提和萃取、物料的干燥、板式塔和填料塔的設 計等，每章末均附有習題。 本書可作為高等院校化學工程與工藝專業及制藥工程、生物工程。過 程裝備與控制、環境工程、食品與輕化工等相關專業的化工原理雙語教材 ，也可作為外資企業的培訓教材，及相關科學研究人員、企業管理者和技 術人員的參考書。

Introduction Definitions and Principles
0.1 Unit Operations
0.2 Unit Systems
0.2.1 Physical Quantities
0.2.2 SI Units
0.2.3 CGS Units
0.2.4 FPS Engineering Units
0.2.5 Gas Constant
0.2.6 Conversion of Units
0.2.7 Units and Equations
0.3 Dimensional Analysis
Problems
Chapter 1 Fluid Flow
1.1 Fluid Statics and Its Application
1.1.1 Nature of Fluids
1.1.2 Hydrostatic Equilibrium
1.1.3 Applications of Fluid Statics
1.2 Fluid Flow Phenomena
1.2.1 Newton’s Law and Viscosity of Fluids
1.2.2 Rheological Properties of Fluids
1.2.3 Types of Fluid Flow and Reynolds Number
1.2.4 Boundary Layers
1.3 Basic Equations of Fluid Flow
1.3.1 Measures of Flow
1.3.2 Mass Balance in a Flowing Fluid; Continuity
1.3.3 Overall Energy Balance for Steady-state Flow System
1.3.4 Overall Mechanical Energy Balance for Steady-state Flow System
1.3.5 Discussion on the Overall Mechanical Energy Balance Equation
1.3.6 Macroscopic Momentum Balances
1.4 Incompressible Flow in Pipes and Channels
1.4.1 Shear Stress and Skin Friction in Pipes
1.4.2 Laminar Flow in Pipes and Channels
1.4.3 Turbulent Flow in Pipes and Channels
1.4.4 Friction from Changes in Velocity or Direction
1.5 Pipe Flow Systems
1.5.1 Single Pipes
1.5.2 Multiple Pipe Systems
1.6 Metering of Fluids
1.6.1 Insertion Meters
1.6.2 Full-Bore Meters
Problems
Chapter 2 Transportation of Fluids
Chapter 3 Heterogeneous Flow and Separation
Chapter 4 Heat Transfer and Its Applications
Chapter 5 Evaporation
Chapter 6 Principles of Diffusion and Mass Transfer Between Phases
Chapter 7 Equilibrium Relations and Equilibrium- Stage Operations
Chapter 8 Gas Absorption
Chapter 9 Distillation
Chapter 10 Leaching and Extraction
Chapter 11 Drying of Process Materials
Chapter 12 Tray and Packed Tower Design
Appendix