Wei Sun – författare

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Complete coverage of design and life assessment methods for high-temperature components

Applied Creep Mechanics fully discusses the time-dependent deformation which occurs in a metal when subjected to stress at an elevated temperature. This book explains how to perform detailed analyses of welded components; assess the conditions under which cracks may initiate and grow; and extract valuable information about the current state of the material, which may have been in service for many years.

This practical guide provides tested techniques for improving the design and life assessment methods for high-temperature components in power plants, chemical plants, and aero engines. The information presented in this book will help you optimize maintenance and repair, save time, reduce costs, and improve operational efficiency.

Provides real-world industrial perspective on how to apply techniques to practical problemsCase studies with linear and non-linear material behavior modelsSolution methods based on equilibrium compatibility and stress-strain and energy conceptsDiscusses high-temperature creep of engineering components; high-temperature structural analysis; high-temperature fracture mechanics; and damage mechanicsCovers welded, notched, and cracked componentsState-of-the-art coverage of thermo-mechanical fatigue (TMF)

High Temperature Miniature Specimen Test Methods focuses on a comprehensive and thorough introduction to a range of high temperature, miniaturized test methods at elevated temperatures which are used to obtain "bulk� creep or fatigue properties from a small volume of material. The book will be of use to a wide range of audience of engineers (e.g., designers, manufacturers, metallurgists, stress analysts), researchers (e.g., materials scientists) and students (undergraduate and postgraduate) in the field of high-temperature material and structural integrity assessment. Specific novel features include 1] theoretical basis of each method; 2], data interpretation method of each test, and 3] specific applications.Provides the theoretical basis of each test methodIncludes the data interpretation method of each test methodPresents specific applications and the limitations of each test method, along with opportunities for future developments

Minority invisibility has gone unnoticed in the communication discipline. It denies the existence of racial problems by consciously or unconsciously downplaying, ignoring, or over-simplifying the issues. This is evidenced from the claims of color-blindness and reverse discrimination, the belief in model minorities, and exaggerated, negative, or purposeful racial displays that permeate American culture.Using in-depth interviews with Asian-American professionals from various metropolitan areas, this study investigates these professionals' perceptions on minority invisibility and model minority status. It explores Asian Americans' ethnic consciousness on four levels, discussing how the group perceives their individual invisibility, their group members' invisibility, the invisibility of other American co-cultural groups, and finally their expectations in changing minority invisibility in the United States. The work considers diverse viewpoints on minority invisibility, model minority, satisfaction and dissatisfaction with mainstream American culture, and co-cultural ethnic relations.This study is useful to graduate and undergraduate students and researchers with an interest in race relations, Asian-American studies, co-cultural theory, and intercultural communication studies.

Offers a comprehensive introduction to the issues of control of power systems during cascading outages and restoration processPower System Control Under Cascading Failures offers comprehensive coverage of three major topics related to prevention of cascading power outages in a power transmission grid: modelling and analysis, system separation and power system restoration. The book examines modelling and analysis of cascading failures for reliable and efficient simulation and better understanding of important mechanisms, root causes and propagation patterns of failures and power outages. Second, it covers controlled system separation to mitigate cascading failures addressing key questions such as where, when and how to separate. Third, the text explores optimal system restoration from cascading power outages and blackouts by well-designed milestones, optimised procedures and emerging techniques. The authors — noted experts in the field — include state-of-the-art methods that are illustrated in detail as well as practical examples that show how to use them to address realistic problems and improve current practices. This important resource: Contains comprehensive coverage of a focused area of cascading power system outages, addressing modelling and analysis, system separation and power system restorationOffers a description of theoretical models to analyse outages, methods to identify control actions to prevent propagation of outages and restore the systemSuggests state-of-the-art methods that are illustrated in detail with hands-on examples that address realistic problems to help improve current practicesIncludes companion website with samples, codes and examples to support the textWritten for postgraduate students, researchers, specialists, planners and operation engineers from industry, Power System Control Under Cascading Failures contains a review of a focused area of cascading power system outages, addresses modelling and analysis, system separation, and power system restoration.

Presents cybersecurity practices for inverter-interfaced power grids Cyber-physical Resilience of Inverter-interfaced Power Grids delivers a comprehensive and systematic introduction to the cyber-physical resilience of inverter-interfaced power grids against cyber-attack incidents, covering three closely related and critical problems in the field: attack situation awareness, defense resource allocation, and operation region characterization. Related state-of-the-art methods are introduced and illustrated in detail with hands-on examples so that readers can learn how to use them to address realistic problems and improve today’s practices. This book also includes information on: Catastrophic cyber-vulnerabilities that contribute to tiny-attack-high-impact phenomena in inverter-interfaced power grids, helping readers quantify attack-induced losses in grid security, stability, and efficiencySpatial-temporal defense strategies with not only event-triggered responses as attacks unfold over time but also collaborative mechanisms as attacks spread across regions, yielding cost-benefit trade-off for conflicting cyber-stakeholdersGeometrical properties of cyber insecurity regions and physical security regions, particularly in the context of the paradigm shift of cyber-physical resilience towards inverter-interfaced power gridsCyber-physical Resilience of Inverter-interfaced Power Grids contains the latest knowledge on the subject for academics in the fields of cyber-physical systems, renewable energy integration, and power systems engineering, power grid operators, cybersecurity professionals within the energy sector, and policy-makers responsible for regulatory frameworks on cybersecurity.

Biofabrication is a practical guide to the novel, inherently cross-disciplinary scientific field that focuses on biomanufacturing processes and a related range of emerging technologies. These processes and technologies ultimately further the development of products that may involve living (cells and/or tissues) and nonliving (bio-supportive proteins, scaffolds) components. The book introduces readers to cell printing, patterning, assembling, 3D scaffold fabrication, cell/tissue-on-chips as a coherent micro-/nano-fabrication toolkit. Real-world examples illustrate how to apply biofabrication techniques in areas such as regenerative medicine, pharmaceuticals and tissue engineering.

In addition to being a vital reference for scientists, engineers and technicians seeking to apply biofabrication techniques, this book also provides an insight into future developments in the field, and potential new applications.

Discover the multi-disciplinary toolkit provided by biofabrication and apply it to develop new products, techniques and therapies Covers a range of important emerging technologies in a coherent manner: cell printing, patterning, assembling, 3D scaffold fabrication, cell/tissue-on-chips... Readers develop the ability to apply biofabrication technologies through practical examples

"Electrochemistry of Flotation of Sulphide Minerals" systematically covers various electrochemical measurements, especially electrochemical corrosive methods, electrochemical equilibrium calculations, surface analysis, semiconductor energy band theory as well as molecular orbital theory. Behaviour and mechanism of collectorless and collector-induced flotation of sulphide minerals in various flotation systems are also discussed. The example of electrochemical flotation separation of sulphide ores shows an industrial application.Prof. Yuehua Hu is a professor at the School of Minerals Processing & Bioengineering of Central South University and Vice Chairman of the Mineral Processing Committee of the China Nonferrous Metals Society. Dr. Wei Sun is an associate professor at the School of Minerals Processing & Bioengineering of Central South University. Prof. Dianzuo Wang is both a member of Chinese Academy of Sciences and Chinese Academy of Engineering, and a foreign associate of the National Academy of Engineering (USA).