EBOOK - Ventilation systems design and performance (Hazim Awbi) | Cộng đồng Kỹ thuật cơ điện Việt Nam EBOOKBKMT

EBOOK - Hiệu suất và thiết kế hệ thống thông gió (Hazim Awbi) - 460 Trang.

This book is authored by eight distinguished researchers in ventilation and indoor air quality from five countries. It is a follow-on from the successful book Ventilation of Buildings, which is authored by the title editor.

The new title draws from the vast experience of the eight authors in the field, includes their knowledge of the subject and presents the results from extensive international research programmes involving the authors as well as results from the work of other researchers.

CONTENTS:

1 Airflow, heat and mass transfer in enclosures 1
1.1 Introduction 1
1.2 Transport phenomena in buildings 2
1.3 General governing equations of airflow, heat and mass transfer 8
1.4 Turbulence and its modeling 26
1.5 Jets, plumes and gravity currents 41
1.6 Solution multiplicity of building airflows 45
1.7 Experimental methods 51
References 56
Nomenclature 58
2 Ventilation and indoor environmental quality 62
BJARNE OLESEN, PHILO BLUYSSEN AND CLAUDE-ALAIN ROULET
2.1 Introduction 62
2.2 Indoor environmental quality 63
2.3 Indoor air quality 64
2.4 Thermal comfort 78
2.5 Indoor environment and performance 95
References 99
3 Energy implications of indoor environment control 105
CLAUDE-ALAIN ROULET
3.1 Introduction 105
3.2 Energy flow in buildings 106
3.3 Assessing energy flows 116
3.4 Energy and indoor environment quality 121
3.5 Strategies for HVAC systems and components 137
3.6 Heat recovery 140
3.7 Effect of ventilation strategies on the energy use 146
3.8 Summary 150
Notes 151
References 151
Nomenclature 153
4 Modeling of ventilation airflow 155
JAMES AXLEY AND PETER V. NIELSEN
4.1 Introduction 155
4.2 Microscopic methods 156
4.3 Macroscopic methods 189
References 249
Nomenclature for macroscopic methods 260
5 Air distribution: system design 264
PETER V. NIELSEN AND HAZIM B. AWBI
5.1 Introduction 264
5.2 The room and the occupied zone 265
5.3 Theqo– To relationship for the design of air distribution systems in rooms 267
5.4 Design of mixing ventilation 268
5.5 Design of displacement ventilation 276
5.6 Design of high momentum displacement ventilation 284
5.7 Design of vertical ventilation 288
5.8 Comparison between different air distribution systems 292
References 297
6 Characteristics of mechanical ventilation systems 300
CLAUDE-ALAIN ROULET
6.1 Introduction 300
6.2 Types of ventilation systems 300
6.3 Temperature and humidity control with mechanical ventilation (air-conditioning) 303
6.4 Components of air-handling units 306
6.5 Airflow rate measurements in ventilation systems 324
6.6 Summary 342
References 343
Nomenclature 344
7 Characteristics of natural and hybrid ventilation systems 345
PER HEISELBERG
7.1 Introduction 345
7.2 Ventilation concepts 349
7.3 System solutions and characteristics 352
7.4 Ventilation components 365
7.5 Control strategies 374
7.6 Examples 379
References 398
8 Measurement and visualization of air movements 400
CLAUDE-ALAIN ROULET
8.1 Introduction 400
8.2 Air velocity measurement 400
8.3 Measuring air tightness 407
8.4 Visualization of air movement 415
8.5 Age of air and air change efficiency 418
8.6 Mapping the age of air in rooms 428
8.7 Summary 435
References 436
Nomenclature 437

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