David Sharpe

Fully updated and authoritative reference to wind energy technology written by leading academic and industry professionals The newly revised Third Edition of the Wind Energy Handbook delivers a fully updated treatment of key developments in wind technology since the publication of the book's Second Edition in 2011. The criticality of wakes within wind farms is addressed by the addition of an entirely new chapter on wake effects, including 'engineering' wake models and wake control. Offshore, attention is focused for the first time on the design of floating support structures, and the new 'PISA' method for monopile geotechnical design is introduced. The coverage of blade design has been completely rewritten, with an expanded description of laminate fatigue properties and new sections on manufacturing methods, blade testing, leading-edge erosion and bend-twist coupling. These are complemented by new sections on blade add-ons and noise in the aerodynamics chapters, which now also include a description of the Leishman-Beddoes dynamic stall model and an extended introduction to Computational Fluid Dynamics analysis. The importance of the environmental impact of wind farms both on- and offshore is recognized by expanded coverage, and the requirements of the Grid Codes to ensure wind energy plays its full role in the power system are described. The conceptual design chapter has been extended to include a number of novel concepts, including low induction rotors, multiple rotor structures, superconducting generators and magnetic gearboxes. References and further reading resources are included throughout the book and have been updated to cover the latest literature. As in previous editions, the core subjects constituting the essential background to wind turbine and wind farm design are covered. These include: The nature of the wind resource, including geographical variation, synoptic and diurnal variations, and turbulence characteristicsThe aerodynamics of horizontal axis wind turbines, including the actuator disc concept, rotor disc theory, the vortex cylinder model of the actuator disc and the Blade-Element/Momentum theoryDesign loads for horizontal axis wind turbines, including the prescriptions of international standardsAlternative machine architecturesThe design of key componentsWind turbine controller design for fixed and variable speed machinesThe integration of wind farms into the electrical power systemWind farm design, siting constraints, and the assessment of environmental impact Perfect for engineers and scientists learning about wind turbine technology, the Wind Energy Handbook will also earn a place in the libraries of graduate students taking courses on wind turbines and wind energy, as well as industry professionals whose work requires a deep understanding of wind energy technology.

Enigmatic international athlete David Sharpe tells the gripping and often amusing story of his life on and off the track. Born into humble beginnings in Jarrow in north-east England, David rose to become World Junior and European Indoor champion and World Cup winner at 800 metres. His best time of 1:43.98 was number one in the UK in 1992. He trained with Steve Cram and was coached by the legendary Jimmy Hedley. David was known for his trademark late finishes but also for his erratic lifestyle. In this tell-all book he delves into topics as diverse as motorbiking, skiing, celebrity boxing, travelling overseas, birdwatching, scrapes with authority, suspected drug use, athlete payments, cancer, bereavement and suicide. He also provides insight into his training and relationship with Jimmy, and talks with regret about controversial incidents. David's story is as entertaining as his running once was.

America's continued greatness and prosperity isn't guaranteed. We have serious, and in some cases existential, challenges on multiple fronts. We're in trouble economically, culturally, and from a leadership perspective. We have time to fix all of these problems, but we can't wait forever. It will take smart planning and sustained effort to maintain our nation's success. To position ourselves to thrive going forward, we need to unite behind the enduring values that have always made America great and chart a bold path for securing them far into the future. This book offers pragmatic and reality-based solutions to guide the country for the next 250 years. This book provides the missing roadmap and strategy through: Specific ambitious strategies to address the most serious and complex challenges facing us. A cultural and philosophical framework to cultivate the millions of future leaders that our nation needs. Actionable proposals for national renewal spanning economic stability, governance, education, infrastructure, contentious social issues, and foreign policy. A comprehensive, unifying plan built on our shared values and hopes for a prosperous future. Let's build on our strengths, turn our problem areas into strategic assets, and together build the future your children's children and generations to come deserve.

Learn to meet women in genuinely confident and high-quality ways, both in-person and online. This isn't a book about pickup artistry; it is the opposite and is far better. If you have been struggling due to lack of confidence, not knowing what to say, or not having a plan, this book is for you. If you are tired of being told to act confident around women without being told how, this book is for you. If you are afraid to approach women in public, this book is for you. If you aren't having success meeting woman on dating websites or apps, this book is for you. If you have trouble connecting with women on dates, this book is for you. If you are worried about how to think about building a long-term relationship with that great lady, this book is for you. The book is divided into four Parts. In Part 1, we take a candid look at you, your wants, your goals, your mindset, what might be holding you back, and think about what you really want out of the dating process. Parts 2 and 3 are densely packed with effective, practical, real-world advice and ready-to-use examples for meeting great ladies both in person and online. Part 4 covers the dating process and building toward and sustaining a healthy and lasting relationship. How can this book help anyone of any age? Here is what's inside: Part 1 - Planning and Preparation: Get yourself and your mindset right. Develop the type of natural self-confidence that makes it easier to approach women. Know what you want. Define precisely what qualities you are looking for in a woman -- the ones she must have for you both to have the best chance at long-term happiness. Lastly, we define our rules of conduct for this entire process. Part 2 - Meeting In-person: Next, we move to the thought process and mechanics of confidently approaching and meeting women in-person. We will cover effective ways to do this and what to avoid. This part is extensive, and densely packed with modern, field-tested and ready-to-use examples. Part 3 - Meeting Online: Meeting women using the internet sounds like it should be easier, but many men find that isn't the case, so we need an entire section for this subject. Toxic behavior on dating sites turns many ladies off. For others, their inboxes are full of unwanted messages daily, crowding out the genuine ones from good guys like you. Here we will use principles from Part 1 to set up your profile, and provide effective methods for reaching out to and connecting with ladies of interest in a confident, safe, productive and fun way. Loads of practical and reusable real-world examples are provided. Part 4 - Cultivating and Sustaining: You've met someone. Now you invest more time to get to know her even better. You need to use the first few dates to see if she is right for you. Practical guidance to help you through these conversations is provided with many examples that will "wow" her, and keep her laughing, engaged, and interested. Here you are also showing her who you really are: someone she can rely upon; someone that she, her family, and her friends will value having in their lives; a strong asset for any future family that you might choose to have together; and someone that your children will look up to with their hearts full of pride. There is no reason for you to be alone. Do it for yourself. Do it for the family that you envision building.

The fascinating story of Toronto’s experimental Rochdale College’s rise and fall, now reissued in a handsome A List edition. Toronto’s Rochdale College began as an experiment in living and learning, and ended as a symbol of the flower-child sixties, a financial and social controversy. In his well-researched and entertaining account, David Sharpe tells the fascinating story of the college’s seven-year rise and fall. Sharpe examines the contradictions of the Age of Aquarius squeezed into one stark skyscraper on Bloor Street in Toronto. He looks at the financing and the internal government of the college, as well as its creative achievements over the years and its contribution to the community. Rochdale: The Runaway College provides a lively, detailed picture of the day-to-day life of the college residents: the peace parties and joyful live-ins, as well as the police raids and the drug overdoses of the dark days.

This textbook is an introduction to the concept of factorization and its application to problems in algebra and number theory. With the minimum of prerequisites, the reader is introduced to the notion of rings, fields, prime elements and unique factorization. The author shows how concepts can be applied to a variety of examples such as factorizing polynomials, finding determinants of matrices and Fermat's 'two-squares theorem'. Based on an undergraduate course given at the University of Sheffield, Dr Sharpe has included numerous examples which demonstrate how frequently these ideas are useful in concrete, rather than abstract, settings. The book also contains many exercises of varying degrees of difficulty together with hints and solutions. Second and third year undergraduates will find this a readable and enjoyable account of a subject lying at the heart of much of mathematics.