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The Pretenders (The Similars #2)
by Rebecca HanoverIn this sequel and thrilling conclusion to The Similars duology, Emma must figure out who she really is, decide between two boys with the same face, and stop a dangerous plan based on revenge. Emma is still reeling from the events of her junior year at Darkwood. Not only is her best friend, Oliver, shockingly alive, but the boy she loves, his genetic copy, Levi, is still on the island where he grew up, stranded with his deranged guardian.More importantly, she is grappling with who she really is. Emma can't accept the hard truths she learned last year and refuses to share her secrets with anyone, isolating herself from the Similars and Ollie. But when more of the Similars' creator's plot is revealed, Emma and her friends will have to try to stop him from putting a plan into motion that could destroy everyone she loves.
Physics of Gas-Liquid Flows
by Thomas J. HanrattyPresenting tools for understanding the behaviour of gas-liquid flows based on the ways large scale behaviour relates to small scale interactions, this text is ideal for engineers seeking to enhance the safety and efficiency of natural gas pipelines, water-cooled nuclear reactors, absorbers, distillation columns and gas lift pumps. The review of advanced concepts in fluid mechanics enables both graduate students and practising engineers to tackle the scientific literature and engage in advanced research. It focuses on gas-liquid flow in pipes as a simple system with meaningful experimental data. This unified theory develops design equations for predicting drop size, frictional pressure losses and slug frequency, which can be used to determine flow regimes, the effects of pipe diameter, liquid viscosity and gas density. It describes the effect of wavy boundaries and temporal oscillations on turbulent flows, and explains transition between phases, which is key to understanding the behaviour of gas-liquid flows.
Words And Arms: With Supplementary Data
by Wolfram F HanriederThis comprehensive dictionary of terms frequently used in discussions of national security and defense policy contains approximately 800 entries on weapons systems, strategy concepts, military organization, and related items. Part 2 presents a more extensive treatment of such concepts as strategic force doctrine and deployment, Soviet and U.S. poli
Bifurcation and Localisation Theory in Geomechanics
by Hans-Bernd Mühlhaus; Arcady V. Dyskin; Elena PasternakThis work contains proceedings of a workshop on Bifurcation and Localisation Theory in Geomechanics, held in Perth, Australia in 1999. It covers a range of themes from classic civil engineering subjects to non-linear and non-unique geological phenomena.
Materials Selection for Hydrocarbon and Chemical Plants
by HansenDescribes the systematic procedure for using process and mechanical design information to select construction materials suitable for a range of chemical and hydrocarbon processing plants. The volume features tables for locating the American Society for Testing and Materials (ASTM) product form specifications for construction materials that have code-allowable design stresses. It analyzes threshold values for degradation phenomena involving thermal damage.
Engine and Tractor Power 4th Edition
by Alan C. Hansen Carroll E. GoeringThe text was written for students in colleges of agriculture as well as others with an interest in engines and motor vehicles. Although the primary focus is on engines and farm tractors, many of the concepts also apply to automobiles, trucks, self-propelled farm machinery, lawn and garden tractors, and other vehicles. Updates include new governmental regulations, new technological developments, and illustrations. Chapters include thermodynamics of engines, engine components, engine cycle and timing, power efficiencies, fuels and combustion, electrical systems, ignition circuits, diesel engines, intake and exhaust systems, cooling systems, lubricants, hydraulic systems, power trains and weight transfer, traction and safety.
Wind Energy: Blown Away! (Powering Our World)
by Amy HansenExplains how wind energy is generated and used, discusses wind farms and turbines, and considers its use as a renewable resource.
Fluid Power Systems: A Lecture Note in Modelling, Analysis and Control (Fluid Mechanics and Its Applications #129)
by Anders Hedegaard HansenThis book covers some of the fundamental topics in fluid power technology, presenting detailed derivations of formulas that form the basis of the theory. It shows the reader how to properly (i) design basic fluid power systems, (ii) construct lumped parameter models of simple fluid power systems, (iii) perform frequency analysis of fluid power components and systems, and (iv) develop controllers for fluid power systems. The book mainly focusses on mathematical modelling and analysis of fluid power components and systems i.e. practical issues such as working principles and construction of components are not covered in depth. The text is organized in four main parts: I Physics of Fluid, II Fluid Power Components, III Fluid Power Systems and IV Learning by Doing.
The Backyard Homestead Seasonal Planner: What to Do & When to Do It in the Garden, Orchard, Barn, Pasture & Equipment Shed (Backyard Homestead)
by Ann Larkin HansenThis hardworking addition to the best-selling Backyard Homestead series offers expert advice on what tasks to do around your farm and when to do them — no matter where on the planet you call home. Author Ann Larkin Hansen sets the priorities for each area of the farm, including the barn, garden, orchard, field, pasture, and woodlot. For every critical turn of the year (12 in all), Hansen provides an at-a-glance to-do list along with tips and a more in-depth discussion of key topics for the season. Easy-reference charts, checklists, and record-keeping sections help you keep track of it all.
Electric Fencing: How to Choose, Build, and Maintain the Best Fence for Your Plants and Animals. A Storey BASICS® Title (Storey Basics)
by Ann Larkin HansenProtect your livestock and gardens with electric fencing. In this Storey BASICS® guide, Ann Larkin Hansen describes the pros and cons of different varieties of electric fencing so that you can choose the fence that best suits your property and needs. You’ll also learn how electric fencing works and how to put it together yourself. Whether you’re looking for a standard design to reign in your flock or a portable version for rotational grazing, this accessible volume will help you find an efficient, cost-effective solution.
The Electric Fencing Handbook: How to Choose and Install the Best Fence to Protect Your Crops and Livestock
by Ann Larkin HansenUse electric fencing to protect your livestock, poultry, beehives, and garden. Portable electric fencing is key to successful rotational grazing, while permanent electric fencing effectively protects gardens and orchards and secures large pastures. Through clear instructions accessible to everyone, you’ll learn when to use these methods or a combination of the two, plus how to plan for, build, and maintain your electric fencing. This crucial tool is cost effective and versatile, but veteran farmer and author Ann Larkin Hansen also explains what not to do with an electric fence.
Finding Good Farmland: How to Evaluate and Acquire Land for Raising Crops and Animals. A Storey BASICS® Title (Storey Basics)
by Ann Larkin HansenBuying farmland is a major investment, so be sure you make an informed choice. This practical guide covers every factor you should consider before making a purchase, including government regulations, residential concerns from the surrounding area, soil conditions, and savvy financing. Whether you intend to grow abundant crops or graze a robust herd of livestock, Finding Good Farmland provides a roadmap to the land that’s right for you.
Making Hay: How to Cut, Dry, Rake, Gather, and Store a Nourishing Crop. A Storey BASICS® Title (Storey Basics)
by Ann Larkin HansenAnn Larkin Hansen offers expert advice on everything from scythes to disc mowers, and details the pros and cons of using horse power or tractors. You’ll learn how to choose the right species for your soil, judge hay quality to buy or sell, and determine how many bales your animals need to stay happy, healthy, and energetic.
The Organic Farming Manual: A Comprehensive Guide to Starting and Running a Certified Organic Farm
by Ann Larkin HansenProviding expert tips on tending the land, caring for animals, and necessary equipment, Ann Larkin Hansen also covers the intricate process of acquiring organic certification and other business considerations important to a profitable operation. Discover the rewarding satisfaction of running a successful and sustainable organic farm.
Maintaining Small-Farm Equipment: How to Keep Tractors and Implements Running Well. A Storey BASICS® Title (Storey Basics)
by Ann Larkin Hansen Steve HansenThis Storey BASICS® title offers exactly what you need to know to keep your small farm’s equipment in good working order. Long-time farmers Steve and Ann Larkin Hansen cover everything from tractors and mowers to trimmers, tillers, ATVs, plows, discs, drills, planters, cultivators, mechanical rakes, and balers, showing you how to care for your equipment to prevent problems and how to diagnose and fix the things that do go wrong.
A Landowner's Guide to Managing Your Woods: How to Maintain a Small Acreage for Long-Term Health, Biodiversity, and High-Quality Timber Production
by Anne Larkin Hansen Mike Severson Dennis L. WatermanWhether you have a few acres of trees in the suburbs or a small commercial forest, you can encourage a healthy and sustainable ecosystem through proper woodland management. This introductory guide shows you how to identify the type, health, and quality of your trees and suggests strategies for keeping your woodland thriving.
Foundations of Vibroacoustics
by Colin HansenThis text provides the foundation material for solving problems in vibroacoustics. These include the prediction of structural vibration levels and sound pressure levels in enclosed spaces resulting from known force or acoustic pressure excitations and the prediction of sound levels radiated by vibrating structures. The book also provides an excellent theoretical basis for understanding the processes involved in software that predicts structural vibration levels and structural sound radiation resulting from force excitation of the structure, as well as sound levels in enclosed spaces resulting from vibration of part of the enclosing structure or resulting from acoustic sources within the enclosure. The book is written in an easy to understand style with detailed explanations of important concepts. It begins with fundamental concepts in vibroacoustics and provides a framework for problem solution in both low and high frequency ranges. It forms a primer for students, and for those already well versed in vibroacoustics, the book provides an extremely useful reference. It offers a unified treatment of both acoustics and vibration fundamentals to provide a basis for solving problems involving structural vibration, sound radiation from vibrating structures, sound in enclosed spaces, and propagation of sound and vibration.
Engineering Noise Control: Theory and Practice (Fifth Edition)
by Colin Hansen David A. Bies Carl Howard<p>This classic and authoritative student textbook contains information that is not over simplified and can be used to solve the real world problems encountered by noise and vibration consultants as well as the more straightforward ones handled by engineers and occupational hygienists in industry. The book covers the fundamentals of acoustics, theoretical concepts and practical application of current noise control technology. It aims to be as comprehensive as possible while still covering important concepts in sufficient detail to engender a deep understanding of the foundations upon which noise control technology is built. <p>Topics which are extensively developed or overhauled from the fourth edition include sound propagation outdoors, amplitude modulation, hearing protection, frequency analysis, muffling devices (including 4-pole analysis and self noise), sound transmission through partitions, finite element analysis, statistical energy analysis and transportation noise. For those who are already well versed in the art and science of noise control, the book will provide an extremely useful reference. A wide range of example problems that are linked to noise control practice are available on www.causalsystems.com for free download.</p>
Engineering Noise Control: Theory and Practice, Fourth Edition
by Colin H. Hansen David A. BiesThe practice of engineering noise control demands a solid understanding of the fundamentals of acoustics, the practical application of current noise control technology and the underlying theoretical concepts. This fully revised and updated fourth edition provides a comprehensive explanation of these key areas clearly, yet without oversimplification. Written by experts in their field, the practical focus echoes advances in the discipline, reflected in the fourth edition’s new material, including: completely updated coverage of sound transmission loss, mufflers and exhaust stack directivity a new chapter on practical numerical acoustics thorough explanation of the latest instruments for measurements and analysis. Essential reading for advanced students or those already well versed in the art and science of noise control, this distinctive text can be used to solve real world problems encountered by noise and vibration consultants as well as engineers and occupational hygienists.
Wind Farm Noise: Measurement, Assessment, and Control
by Colin H. Hansen Con J. Doolan Kristy L. HansenWind Farm Noise: Measurement, Assessment and Control Colin H Hansen, University of Adelaide, Australia Con J Doolan, University of New South Wales, Australia Kristy L Hansen, Flinders University, Australia A comprehensive guide to wind farm noise prediction, measurement, assessment, control and effects on people Wind Farm Noise covers all aspects associated with the generation, measurement, propagation, regulation and adverse health effects of noise produced by large horizontal-axis wind turbines of the type used in wind farms. The book begins with a brief history of wind turbine development and the regulation of their noise at sensitive receivers. Also included is an introductory chapter on the fundamentals of acoustics relevant to wind turbine noise so that readers are well prepared for understanding later chapters on noise measurements, noise generation mechanisms, noise propagation modelling and the assessment of the noise at surrounding residences. Key features: • Potential adverse health effects of wind farm noise are discussed in an objective way. • Means for calculating the noise at residences due to a wind farm prior to construction are covered in detail along with uncertainty estimates. • The effects of meteorological conditions and other influences, such as obstacles, ground cover and atmospheric absorption, on noise levels at residences are explained. • Quantities that should be measured as well as how to best measure them in order to properly characterise wind farm noise are discussed in detail. • Noise generation mechanisms and possible means for their control are discussed as well as aspects of wind farm noise that still require further research to be properly understood. The book provides comprehensive coverage of the topic, containing both introductory and advanced level material.
Noise Control: From Concept to Application
by Colin H. Hansen Kristy L. HansenThe second edition of Noise Control: From Concept to Application, newly expanded and thoroughly updated, now includes 180 graded problems with solutions, plus 100 end-of-chapter problems with solutions available for instructors on the authors’ website. Working from basic scientific principles, the authors show how an understanding of sound can be applied to real-world settings, working through numerous examples in detail and covering good practice in noise control for both new and existing facilities. It covers the essential topics for industrial noise control: acoustics, noise criteria, hearing-damage risk, noise-assessment measures, measurement instrumentation, sound-source types including the calculation and measurement of their output power, sound propagation outdoors, sound in rooms, sound-absorbing materials, sound transmission through partitions and enclosures, noise barriers, reactive and dissipative muffler-noise reduction and muffler-design considerations such as pressure loss and self-noise generation. Detailed explanations of important concepts make this textbook easy to understand by engineering and science undergraduates, as well as professionals with no background in acoustics. Authors’ website: www.causalsystems.com Colin H. Hansen is Emeritus Professor in Mechanical Engineering at the University of Adelaide, Australia, and past President of the International Institute of Acoustics and Vibration. Kristy L. Hansen is a Senior Lecturer in Mechanical Engineering at Flinders University, Australia, and holder of the Australian Research Council’s Discovery Early Career Researcher Award.
Indoor Air Quality Issues
by David L. HansenThis text examines problems such as microbial contamination, building design, ventilation systems and psychological effects. It uses a multi-disciplined approach in examining the causes and effects of the interactions between occupants and non-industrial environments. The text also provides the reader with a tool for diagnosing IAQ problems and effectively reducing them.
Forests, Business and Sustainability (The Earthscan Forest Library)
by Eric Hansen Rajat Panwar Robert KozakForests are under tremendous pressure from human uses of all kinds, and one of the most significant threats to their sustainability comes from commercial interests. This book presents a comprehensive examination of the interactions between the forest products sector and the sustainability of forests. It captures the most current sustainability concerns within the forestry sector and various sustainability-oriented initiatives to address these. Experts from around the world analyze interconnected topics including market mechanisms, regulatory mechanisms, voluntary actions, and governance, and outline their effectiveness, potential, and limitations. By presenting a novel overview of the burgeoning field of business sustainability within the forestry sector, this book paves a way forward in understanding what is working, what is not working, and what could potentially work to ensure sustainable business practices within the forestry sector,
First Man: The Life of Neil A. Armstrong
by James R. HansenSoon to be a major motion picture, this is the first—and only—definitive authorized account of Neil Armstrong, the man whose “one small step” changed history.When Apollo 11 touched down on the Moon’s surface in 1969, the first man on the Moon became a legend. In First Man, author James R. Hansen explores the life of Neil Armstrong. Based on over fifty hours of interviews with the intensely private Armstrong, who also gave Hansen exclusive access to private documents and family sources, this “magnificent panorama of the second half of the American twentieth century” (Publishers Weekly, starred review) is an unparalleled biography of an American icon. In this “compelling and nuanced portrait” (Chicago Tribune) filled with revelations, Hansen vividly recreates Armstrong’s career in flying, from his seventy-eight combat missions as a naval aviator flying over North Korea to his formative trans-atmospheric flights in the rocket-powered X-15 to his piloting Gemini VIII to the first-ever docking in space. For a pilot who cared more about flying to the Moon than he did about walking on it, Hansen asserts, Armstrong’s storied vocation exacted a dear personal toll, paid in kind by his wife and children. For the near-fifty years since the Moon landing, rumors have swirled around Armstrong concerning his dreams of space travel, his religious beliefs, and his private life. A penetrating exploration of American hero worship, Hansen addresses the complex legacy of the First Man, as an astronaut and as an individual. “First Man burrows deep into Armstrong’s past and present…What emerges is an earnest and brave man” (Houston Chronicle) who will forever be known as history’s most famous space traveler.
First Man: The Life of Neil A. Armstrong
by James R. HansenMarking the forty-fifth anniversary of Apollo 11's moon landing, First Man by James Hansen offers the only authorized glimpse into the life of America's most famous astronaut, Neil Armstrong--the man whose "one small step" changed history."The Eagle has landed." When Apollo 11 touched down on the moon's surface in 1969, the first man on the moon became a legend. In First Man, Hansen explores the life of Neil Armstrong. Based on over fifty hours of interviews with the intensely private Armstrong, who also gave Hansen exclusive access to private documents and family sources, this "magnificent panorama of the second half of the American twentieth century" (Publishers Weekly, starred review) is an unparalleled biography of an American icon. Upon his return to earth, Armstrong was honored and celebrated for his monumental achievement. He was also--as James R. Hansen reveals in this fascinating and important biography--misunderstood. Armstrong's accomplishments as engineer, test pilot, and astronaut have long been a matter of record, but Hansen's unprecedented access to private documents and unpublished sources and his interviews with more than 125 subjects (including more than fifty hours with Armstrong himself) yield this first in-depth analysis of an elusive American celebrity still renowned the world over. In a riveting narrative filled with revelations, Hansen vividly recreates Armstrong's career in flying, from his seventy-eight combat missions as a naval aviator flying over North Korea to his formative transatmospheric flights in the rocket-powered X-15 to his piloting Gemini VIII to the first-ever docking in space. These milestones made it seem, as Armstrong's mother Viola memorably put it, "as if from the very moment he was born--farther back still--that our son was somehow destined for the Apollo 11 mission." For a pilot who cared more about flying to the Moon than he did about walking on it, Hansen asserts, Armstrong's storied vocation exacted a dear personal toll, paid in kind by his wife and children. For the forty-five years since the Moon landing, rumors have swirled around Armstrong concerning his dreams of space travel, his religious beliefs, and his private life. In a penetrating exploration of American hero worship, Hansen addresses the complex legacy of the First Man, as an astronaut and as an individual. In First Man, the personal, technological, epic, and iconic blend to form the portrait of a great but reluctant hero who will forever be known as history's most famous space traveler.