人体呼吸健康研究：N95过滤式面罩呼吸器的佩戴性能

作者: 申胜男

出版社: 电子工业出版社

出版时间: 2020-12

版次: 1

ISBN: 9787121396274

定价: 109.00

装帧: 其他

开本: 16开

页数: 268页

分类: 工程技术

1人买过

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*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。申胜男，武汉大学动力与机械学院副教授，硕士生导师，分别于2001年和2007年获得哈尔滨工业大学的学士和硕士学位，2012年毕业于新加坡南阳理工大学，获机械工程专业博士学位。已发表国际SCI期刊论文50余篇，国际会议学术报告40余篇，授权发明专利9项，软件著作权3项。作者长期从事跨尺度多物理场耦合分析、生物流体力学的研究，以核心成员身份参加新加坡科技研究局基金项目2项，近年又主持国家科学自然基金青年项目1项，主持湖北省自然科学基金青年项目1项，主持武汉大学自主科研（青年教师）资助项目1项，主持武汉大学引进人才（优秀青年学术骨干）项目1项，项目金额共计570多万。2014年获批武汉大学\"351人才计划”珞珈青年学者，2015年获批湖北省楚天学者。同时作者也积极开展国内外的学术交流与合作，也取得了丰硕的成果。直至今日，已和国内多所大学和研究机构建立了学术交流与合作关系，与新加坡南洋理工大学，德克萨斯理工大学保持着密切的联系，建立了实质性的科研合作关系，极大推动了学院学术交流的发展。 Chapter 1  Introduction001

1.1  Background002

1.2  Motivation004

1.3  Outline007

Chapter 2  Study of the filtration performance of multi-fiber filters009

2.1  Introduction011

2.2  Model of multi-fiber filters014

2.2.1  Geometric model and simulation method of multi-fiber filters014

2.2.2  Model validation016

2.3  Filtration efficiency and its optimization020

2.3.1  Comparison of filtration performance between parallel and

      staggered designs020

2.3.2  Filtration efficiency at different face velocities and particle

      diameters022

2.3.3  Filtration performance of layered filters with the same total SVF024

2.3.4  Optimization of pressure drop and filtration efficiency025

2.4  Conclusion028

References030

Chapter 3  Study of particle rebound and deposition on fiber surface034

3.1  Introduction036

3.2  Models of flow field and particle movement041

3.2.1  Flow field and particle movement041

3.2.2  Particle rebound model044

?

3.3  Particle transport and deposition048

3.3.1  Effect of particle rebounds on particle deposition048

3.3.2  Effects of face velocity on particle deposition050

3.3.3  Effects of particle diameter on particle deposition052

3.3.4  Filtration efficiency of a single fiber054

3.4  Conclusion057

References059

Chapter 4  Investigation of the flow-field in the upper respiratory system

           when wearing N95 FFR064

4.1  Introduction066

4.2  Modeling of full breathing cycles068

4.2.1  Flow field reverse modeling068

4.2.2  CFD simulation of a full breathing cycle071

4.3  Flow field of a full breathing cycle074

4.3.1  Flow characteristics of a full breathing cycle074

4.3.2  CO2 volume fraction075

4.3.3  Temperature distribution inside FFR cavity077

4.3.4  Pressure and wall shear stress inside upper respiratory airway079

4.4  Discussion082

4.5  Conclusion085

References086

Chapter 5  Investigation of water vapor condensation on the inner surface

          of N95 FFR089

5.1  Introduction091

5.2  CFD modeling of water vapor condensation093

5.2.1  Model of water vapor condensation093

5.2.2  CFD-setup and boundary conditions of water vapor condensation093

5.3  Water vapor condensation on the inner surface of N95 FFR097

5.3.1  Effects of different environmental temperatures099

5.3.2  Effects of different breathing velocities102

5.3.3  Effects of different breathing frequencies104

5.4  Discussion108

5.5  Conclusion110

References111

Chapter 6  Effect of vapor condensation on micro-climate in the deadspace

          of N95 FFR113

6.1  Introduction115

6.2  CFD modeling of vapor condensation117

6.2.1  Model of vapor condensation117

6.2.2  CFD-setup and boundary conditions of vapor condensation118

6.2.3  FFR performance and vapor condensation distribution120

6.3  Experiment of micro-climate inside N95 FFR126

6.3.1  Experiment of temperature and relative humidity measuring

      inside FFR127

6.3.2  Experiment of bacteria accounting on the inner surface of FFR129

6.4  Conclusion133

References134

Chapter 7  Investigation of movement characteristics and respiratory

          deposition of indoor cigarette particles136

7.1  Introduction138

7.2  Model of particle movement and respiratory deposition141

7.2.1  Description of room, human and particles system141

7.2.2  CFD model of cigarette particles deposition143

7.2.3  PM2.5 measurement146

7.3  Flow field and cigarette particles deposition147

7.4  Conclusion155

References156

Chapter 8  An improved FFR design with a ventilation fan: CFD simulation

          and validation159

8.1  Introduction161

8.2  Improved FFR design and CFD simulation163

8.2.1  Improved FFR design163

8.2.2  Simulation method of flow field in FFR164

8.3  Performance of the ventilation fan and its effects169

8.3.1  Flow characteristics of the ventilation fan169

8.3.2  Effects of fan orientation170

8.3.3  Experiment on temperature of headform and FFR172

8.4  Conclusion177

References178

Chapter 9  Design of the FFR with an intelligent control fan181

9.1  Introduction183

9.2  Improved FFR design184

9.3  Design of intelligent control system186

9.4  Test results of FFR performance189

9.5  Discussion193

9.6  Conclusion194

References195

Chapter 10  Study of contact characteristics between a respirator

           and a headform196

10.1  Introduction198

10.2  Models and methods of contact characteristics between a

     respirator and a headform202

10.2.1  Geometric models of headform and respirator202

10.2.2  Simulation methods of contact characteristics205

10.3  Contact characteristics between a respirator and a headform208

10.4  Conclusion214

References216

Chapter 11  The effects of facial expressions on respirators fit218

11.1  Introduction220

11.2  Models and methods of facial expressions223

11.2.1  FE models of the headfrom and respirator223

11.2.2  Simulation methods of facial expressions225

11.3  Effects of facial expressions on respirators fit227

11.4  Conclusion234

References236

Chapter 12  Customized design and 3D printing of face seal for an N95 FFR238

12.1  Introduction240

12.2  Design, manufacture and test of customized face seals242

12.2.1  3D laser scanning of human headform243

12.2.2  Customized design of FFR face seal243

12.2.3  3D printing of the FFR face seal245

12.2.4  Experiment setup and procedures245

12.3  Contact characteristics between the FFR and headform249

12.4  Discussion253

12.5  Conclusion255

References256
内容简介:
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*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。
作者简介:
申胜男，武汉大学动力与机械学院副教授，硕士生导师，分别于2001年和2007年获得哈尔滨工业大学的学士和硕士学位，2012年毕业于新加坡南阳理工大学，获机械工程专业博士学位。已发表国际SCI期刊论文50余篇，国际会议学术报告40余篇，授权发明专利9项，软件著作权3项。作者长期从事跨尺度多物理场耦合分析、生物流体力学的研究，以核心成员身份参加新加坡科技研究局基金项目2项，近年又主持国家科学自然基金青年项目1项，主持湖北省自然科学基金青年项目1项，主持武汉大学自主科研（青年教师）资助项目1项，主持武汉大学引进人才（优秀青年学术骨干）项目1项，项目金额共计570多万。2014年获批武汉大学\"351人才计划”珞珈青年学者，2015年获批湖北省楚天学者。同时作者也积极开展国内外的学术交流与合作，也取得了丰硕的成果。直至今日，已和国内多所大学和研究机构建立了学术交流与合作关系，与新加坡南洋理工大学，德克萨斯理工大学保持着密切的联系，建立了实质性的科研合作关系，极大推动了学院学术交流的发展。
目录:
Chapter 1  Introduction001

1.1  Background002

1.2  Motivation004

1.3  Outline007

Chapter 2  Study of the filtration performance of multi-fiber filters009

2.1  Introduction011

2.2  Model of multi-fiber filters014

2.2.1  Geometric model and simulation method of multi-fiber filters014

2.2.2  Model validation016

2.3  Filtration efficiency and its optimization020

2.3.1  Comparison of filtration performance between parallel and

      staggered designs020

2.3.2  Filtration efficiency at different face velocities and particle

      diameters022

2.3.3  Filtration performance of layered filters with the same total SVF024

2.3.4  Optimization of pressure drop and filtration efficiency025

2.4  Conclusion028

References030

Chapter 3  Study of particle rebound and deposition on fiber surface034

3.1  Introduction036

3.2  Models of flow field and particle movement041

3.2.1  Flow field and particle movement041

3.2.2  Particle rebound model044

?

3.3  Particle transport and deposition048

3.3.1  Effect of particle rebounds on particle deposition048

3.3.2  Effects of face velocity on particle deposition050

3.3.3  Effects of particle diameter on particle deposition052

3.3.4  Filtration efficiency of a single fiber054

3.4  Conclusion057

References059

Chapter 4  Investigation of the flow-field in the upper respiratory system

           when wearing N95 FFR064

4.1  Introduction066

4.2  Modeling of full breathing cycles068

4.2.1  Flow field reverse modeling068

4.2.2  CFD simulation of a full breathing cycle071

4.3  Flow field of a full breathing cycle074

4.3.1  Flow characteristics of a full breathing cycle074

4.3.2  CO2 volume fraction075

4.3.3  Temperature distribution inside FFR cavity077

4.3.4  Pressure and wall shear stress inside upper respiratory airway079

4.4  Discussion082

4.5  Conclusion085

References086

Chapter 5  Investigation of water vapor condensation on the inner surface

          of N95 FFR089

5.1  Introduction091

5.2  CFD modeling of water vapor condensation093

5.2.1  Model of water vapor condensation093

5.2.2  CFD-setup and boundary conditions of water vapor condensation093

5.3  Water vapor condensation on the inner surface of N95 FFR097

5.3.1  Effects of different environmental temperatures099

5.3.2  Effects of different breathing velocities102

5.3.3  Effects of different breathing frequencies104

5.4  Discussion108

5.5  Conclusion110

References111

Chapter 6  Effect of vapor condensation on micro-climate in the deadspace

          of N95 FFR113

6.1  Introduction115

6.2  CFD modeling of vapor condensation117

6.2.1  Model of vapor condensation117

6.2.2  CFD-setup and boundary conditions of vapor condensation118

6.2.3  FFR performance and vapor condensation distribution120

6.3  Experiment of micro-climate inside N95 FFR126

6.3.1  Experiment of temperature and relative humidity measuring

      inside FFR127

6.3.2  Experiment of bacteria accounting on the inner surface of FFR129

6.4  Conclusion133

References134

Chapter 7  Investigation of movement characteristics and respiratory

          deposition of indoor cigarette particles136

7.1  Introduction138

7.2  Model of particle movement and respiratory deposition141

7.2.1  Description of room, human and particles system141

7.2.2  CFD model of cigarette particles deposition143

7.2.3  PM2.5 measurement146

7.3  Flow field and cigarette particles deposition147

7.4  Conclusion155

References156

Chapter 8  An improved FFR design with a ventilation fan: CFD simulation

          and validation159

8.1  Introduction161

8.2  Improved FFR design and CFD simulation163

8.2.1  Improved FFR design163

8.2.2  Simulation method of flow field in FFR164

8.3  Performance of the ventilation fan and its effects169

8.3.1  Flow characteristics of the ventilation fan169

8.3.2  Effects of fan orientation170

8.3.3  Experiment on temperature of headform and FFR172

8.4  Conclusion177

References178

Chapter 9  Design of the FFR with an intelligent control fan181

9.1  Introduction183

9.2  Improved FFR design184

9.3  Design of intelligent control system186

9.4  Test results of FFR performance189

9.5  Discussion193

9.6  Conclusion194

References195

Chapter 10  Study of contact characteristics between a respirator

           and a headform196

10.1  Introduction198

10.2  Models and methods of contact characteristics between a

     respirator and a headform202

10.2.1  Geometric models of headform and respirator202

10.2.2  Simulation methods of contact characteristics205

10.3  Contact characteristics between a respirator and a headform208

10.4  Conclusion214

References216

Chapter 11  The effects of facial expressions on respirators fit218

11.1  Introduction220

11.2  Models and methods of facial expressions223

11.2.1  FE models of the headfrom and respirator223

11.2.2  Simulation methods of facial expressions225

11.3  Effects of facial expressions on respirators fit227

11.4  Conclusion234

References236

Chapter 12  Customized design and 3D printing of face seal for an N95 FFR238

12.1  Introduction240

12.2  Design, manufacture and test of customized face seals242

12.2.1  3D laser scanning of human headform243

12.2.2  Customized design of FFR face seal243

12.2.3  3D printing of the FFR face seal245

12.2.4  Experiment setup and procedures245

12.3  Contact characteristics between the FFR and headform249

12.4  Discussion253

12.5  Conclusion255

References256

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人体呼吸健康研究：N95过滤式面罩呼吸器的佩戴性能

内容简介:

作者简介:

目录: