全新正版图书 人体呼吸健康研究(N95过滤申胜男李辉蔡茫电子工业出版社9787121396274 口罩研究英文普通大众人天图书专营店 mobi 下载 网盘 caj lrf pdf txt 阿里云

本书针对人类呼吸安全问题，运用商业软件及自主开发程序，从提高呼吸的舒适性和佩戴的舒适性两个角度全面而详细的研究了纤维对空气颗粒物的过滤性能、口罩内流场分布和口罩与人脸的接触特性，并提出了新型风扇口罩的设计和面部密封设计的新技术。本书全部内容具有原创性和前瞻性，部分研究成果发表在公共环境卫生行业的顶级期刊。本书的所有研究内容、方法和结果的科学性及可信度均得到同行专家认可，本书的研究将为控制和降低雾霾对中国民众呼吸健康造成的威胁提供可靠、有效的理论依据和指导。

Chapter 1 Introduction

1.1 Background

1.2 Motivation

1.3 Outline

Chapter 2 Study of the filtration performance of multi-fiber filterr/> 2.1 Introduction

2.2 Model of multi-fiber filterr/> 2.2.1 Geometric model and simulation method of multi-fiber filterr/> 2.2.2 Model validation

2.3 Filtration efficiency and its optimization

2.3.1 Comparison of filtration performance between parallel and staggered designr/> 2.3.2 Filtration efficiency at different face velocities and particle diameterr/> 2.3.3 Filtration performance of layered filters with the same total SVF

2.3.4 Optimization of pressure drop and filtration efficiency

2.4 Conclusion

Referencer/>Chapter 3 Study of particle rebound and deposition on fiber surface

3.1 Introduction

3.2 Models of flow field and particle movement

3.2.1 Flow field and particle movement

3.2.2 Particle rebound model

3.3 Particle transport and deposition

3.3.1 Effect of particle rebounds on particle deposition

3.3.2 Effects of face velocity on particle deposition

3.3.3 Effects of particle diameter on particle deposition

3.3.4 Filtration efficiency of a single fiber

3.4 Conclusion

Referencer/>Chapter 4 Investigation of the flow-field in the upper respiratory system when wearing N95 FFR

4.1 Introduction

4.2 Modeling of full breathing cycler/> 4.2.1 Flow field reverse modeling

4.2.2 CFD simulation of a full breathing cycle

4.3 Flow field of a full breathing cycle

4.3.1 Flow characteristics of a full breathing cycle

4.3.2 CO2 volume fraction

4.3.3 Temperature distribution inside FFR cavity

4.3.4 Pressure and wall shear stress inside upper respiratory airway

4.4 Discussion

4.5 Conclusion

Referencer/>Chapter 5 Investigation of water vapor condensation on the inner surface of N95 FFR

5.1 Introduction

5.2 CFD modeling of water vapor condensation

5.2.1 Model of water vapor condensation

5.2.2 CFD-setup and boundary conditi*** of water vapor condensation

5.3 Water vapor condensation on the inner surface of N95 FFR

5.3.1 Effects of different environmental temperaturer/> 5.3.2 Effects of different breathing velocitier/> 5.3.3 Effects of different breathing frequencier/> 5.4 Discussion

5.5 Conclusion

Referencer/>Chapter 6 Effect of vapor condensation on micro-climate in the deadspace of N95 FFR

6.1 Introduction

6.2 CFD modeling of vapor condensation

6.2.1 Model of vapor condensation

6.2.2 CFD-setup and boundary conditi*** of vapor condensation

6.2.3 FFR performance and vapor condensation distribution

6.3 Experiment of micro-climate inside N95 FFR

6.3.1 Experiment of temperature and relative humidity measuring inside FFR

6.3.2 Experiment of bacteria accounting on the inner surface of FFR

*** Conclusion

Referencer/>Chapter 7 Investigation of movement characteristics and respiratory deposition of indoor cigarette particler/> 7.1 Introduction

7.2 Model of particle movement and respiratory deposition

7.2.1 Description of room, human and particles system

7.2.2 CFD model of cigarette particles deposition

7.2.3 PM2.5 measurement

7.3 Flow field and cigarette particles deposition

7.4 Conclusion

Referencer/>Chapter 8 An improved FFR design with a ventilation fan: CFD simulation and validation

8.1 Introduction

8.2 Improved FFR design and CFD simulation

8.2.1 Improved FFR design

8.2.2 Simulation method of flow field in FFR

8.3 Performance of the ventilation fan and its effectr/> 8.3.1 Flow characteristics of the ventilation fan

8.3.2 Effects of fan orientation

8.3.3 Experiment on temperature of headform and FFR

8.4 Conclusion

Referencer/>Chapter 9 Design of the FFR with an intelligent control fan

9.1 Introduction

9.2 Improved FFR design

9.3 Design of intelligent control system

9.4 Test results of FFR performance

9.5 Discussion

9.6 Conclusion

Referencer/>Chapter 10 Study of contact characteristicetween a respirator and a headform

10.1 Introduction

10.2 Models and methods of contact characteristicetween a respirator and a headform

10.2.1 Geometric models of headform and respirator

10.2.2 Simulation methods of contact characteristicr/> 10.3 Contact characteristicetween a respirator and a headform

10.4 Conclusion

Referencer/>Chapter 11 The effects of facial expressi*** on respirators fit

11.1 Introduction

11.2 Models and methods of facial expressionr/> 11.2.1 FE models of the headfrom and respirator

11.2.2 Simulation methods of facial expressionr/> 11.3 Effects of facial expressi*** on respirators fit

11.4 Conclusion

Referencer/>Chapter 12 Customized design and 3D printing of face seal for an N95 FFR

12.1 Introduction

12.2 Design, manufacture and test of customized face sealr/> 12.2.1 3D laser scanning of human headform

12.2.2 Customized design of FFR face seal

12.2.3 3D printing of the FFR face seal

12.2.4 Experiment setup and procedurer/> 12.3 Contact characteristicetween the FFR and headform

12.4 Discussion

12.5 Conclusion

Referencer/>

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书籍介绍

本书针对人类呼吸安全问题，运用商业软件及自主开发程序，从提高呼吸的舒适性和佩戴的舒适性两个角度全面而详细的研究了纤维对空气颗粒物的过滤性能、口罩内流场分布和口罩与人脸的接触特性，并提出了新型风扇口罩的设计和面部密封设计的新技术。本书全部内容具有原创性和前瞻性，部分研究成果发表在公共环境卫生行业的顶级期刊。本书的所有研究内容、方法和结果的科学性及可信度均得到同行专家认可，本书的研究将为控制和降低雾霾对中国民众呼吸健康造成的威胁提供可靠、有效的理论依据和指导。