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Author: Nicholas Landell-Mills
Publisher:
ISBN: 9781912724246
Category :
Languages : en
Pages : 132
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Book Description
New analysis shows how Newton and Galileo provide a straightforward and useful explanation of sailing. According to Newton, the sail re-directs a mass of air of the apparent wind backwards to create a backward force (Force = ma). The reactive equal and opposite forward force pushes the sailboat ahead. According to Galileo a boat can sail downwind faster than the wind for the same reasons that it can sail upwind faster than the wind. Each tack is simply the mirror image of the other one. This is because in both situations the sailboat experiences a headwind, and the true wind is moving backwards relative to the boat. When sailing both upwind and downwind, the sail extracts momentum and energy from the true wind by slowing it down. That's it.
Author: Nicholas Landell-Mills
Publisher:
ISBN: 9781912724246
Category :
Languages : en
Pages : 132
Get Book
Book Description
New analysis shows how Newton and Galileo provide a straightforward and useful explanation of sailing. According to Newton, the sail re-directs a mass of air of the apparent wind backwards to create a backward force (Force = ma). The reactive equal and opposite forward force pushes the sailboat ahead. According to Galileo a boat can sail downwind faster than the wind for the same reasons that it can sail upwind faster than the wind. Each tack is simply the mirror image of the other one. This is because in both situations the sailboat experiences a headwind, and the true wind is moving backwards relative to the boat. When sailing both upwind and downwind, the sail extracts momentum and energy from the true wind by slowing it down. That's it.
Author: Mark C. Chu-Carroll
Publisher: Pragmatic Bookshelf
ISBN: 168050360X
Category : Computers
Languages : en
Pages : 269
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Book Description
Mathematics is beautiful--and it can be fun and exciting as well as practical. Good Math is your guide to some of the most intriguing topics from two thousand years of mathematics: from Egyptian fractions to Turing machines; from the real meaning of numbers to proof trees, group symmetry, and mechanical computation. If you've ever wondered what lay beyond the proofs you struggled to complete in high school geometry, or what limits the capabilities of computer on your desk, this is the book for you. Why do Roman numerals persist? How do we know that some infinities are larger than others? And how can we know for certain a program will ever finish? In this fast-paced tour of modern and not-so-modern math, computer scientist Mark Chu-Carroll explores some of the greatest breakthroughs and disappointments of more than two thousand years of mathematical thought. There is joy and beauty in mathematics, and in more than two dozen essays drawn from his popular "Good Math" blog, you'll find concepts, proofs, and examples that are often surprising, counterintuitive, or just plain weird. Mark begins his journey with the basics of numbers, with an entertaining trip through the integers and the natural, rational, irrational, and transcendental numbers. The voyage continues with a look at some of the oddest numbers in mathematics, including zero, the golden ratio, imaginary numbers, Roman numerals, and Egyptian and continuing fractions. After a deep dive into modern logic, including an introduction to linear logic and the logic-savvy Prolog language, the trip concludes with a tour of modern set theory and the advances and paradoxes of modern mechanical computing. If your high school or college math courses left you grasping for the inner meaning behind the numbers, Mark's book will both entertain and enlighten you.
Author: Bryon D. Anderson
Publisher: Sheridan House, Inc.
ISBN: 9781574091700
Category : Science
Languages : en
Pages : 164
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Book Description
Bryon D Anderson is a writer and scientist with a special interest in sail.
Author: Fouad Sabry
Publisher: One Billion Knowledgeable
ISBN:
Category : Science
Languages : en
Pages : 365
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Book Description
What Is Airborne Wind Turbine An airborne wind turbine is a design concept for a wind turbine with a rotor that is supported in the air without a tower. This allows the wind turbine to take advantage of the greater wind speed and persistence at higher altitudes, while also avoiding the expense of tower construction and the requirement for slip rings or yaw mechanisms. There are two possible locations for an electrical generator: on the ground or in the air. The ability to securely hang and maintain turbines hundreds of meters from the ground in heavy winds and storms is one of the challenges faced. Other challenges include transmitting the electricity that has been gathered and/or created back to land and interfering with aviation. How You Will Benefit (I) Insights, and validations about the following topics: Chapter 1: Airborne wind turbine Chapter 2: Aircraft Chapter 3: Unpowered aircraft Chapter 4: Aerostat Chapter 5: Balloon (aeronautics) Chapter 6: Savonius wind turbine Chapter 7: Hybrid airship Chapter 8: List of energy resources Chapter 9: Allsopp Helikite Chapter 10: Airborne wind energy Chapter 11: Unconventional wind turbines Chapter 12: Tethered balloon Chapter 13: Tethered Aerostat Radar System Chapter 14: Laddermill Chapter 15: Kite types Chapter 16: Kytoon Chapter 17: Unpowered flight Chapter 18: Makani (company) Chapter 19: Aerostat (disambiguation) Chapter 20: Crosswind kite power Chapter 21: Kitepower (II) Answering the public top questions about airborne wind turbine. (III) Real world examples for the usage of airborne wind turbine in many fields. (IV) 17 appendices to explain, briefly, 266 emerging technologies in each industry to have 360-degree full understanding of airborne wind turbine' technologies. Who This Book Is For Professionals, undergraduate and graduate students, enthusiasts, hobbyists, and those who want to go beyond basic knowledge or information for any kind of airborne wind turbine.
Author: Frank Bethwaite
Publisher: A&C Black
ISBN: 1472901312
Category : Transportation
Languages : en
Pages : 449
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Book Description
'Monumental!' - Bob Ross, Australian Sailing High Performance Sailing is now regarded as the bible of racing sailors and carries a string of endorsements from high achievers. Since its publication in 1984, racing yachts and dinghies have developed out of all recognition - a new high-tech breed of 'apparent wind' fast racers has claimed the water and so far no-one has applied themselves seriously to analysing what makes these boats sail fast (and what will make them faster). This is Frank Bethwaite's ground-breaking achievement in Higher Performance Sailing. By means of extensive research, and working with sailors of different racing calibre, Bethwaite analyses how to harness the apparent wind for increased speed and better position on your rivals. Higher Performance Sailing will provide the key to racing sailors' dreams. Praise for Bethwaite's High Performance Sailing: 'It represents a breakthrough...It is a book that my Olympic squad will benefit from.' Rod Carr, former British Olympic Sailing Team Manager 'Allowed only one "if only" in yacht racing, it would have been to have read Higher Performance Sailing years ago.' Bob Fisher, journalist, broadcaster and international championship winner
Author: Frank Bethwaite
Publisher: Thomas Reed
ISBN: 9781408124918
Category : Sports & Recreation
Languages : en
Pages : 0
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Book Description
The groundbreaking reference on high speed racing techniques--the bible for racing sailors of all levels and abilities from dinghies to the America's Cup. High Performance Sailing has become the standard reference work on high speed racing techniques. Groundbreaking in its thinking on boat speed, strategy and tactics, and timeless in its application, this second edition has been brought right up to date with new information, the discoveries from new boat testing and new developments. Some people like to sail. Some people like to sail fast. This is a book about sailing faster. During the past few decades there has been a revolution in the way some boat designers and sailors have thought about, designed, built and sailed their boats. This book is about the new ideas which have led to these greater speeds and the faster sailing techniques which have been developed to achieve them. "It is the cheapest bit of go-faster gear you can buy..."--Robert Lloyd, Island Sailing Club "One of the most readable books on the complex subject of sailing faster, and without doubt, a must for every racing sailor"--Yachts and Yachting
Author: Robert Ehrlich
Publisher: CRC Press
ISBN: 1498737234
Category : Science
Languages : en
Pages : 515
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Book Description
This revised edition is fully updated and continues to provide the best in-depth introduction to renewable energy science. It focuses mainly on renewable energy, but also addresses nonrenewable energy (fossil fuels and nuclear technology). The coverage extends from the basic physics to conservation, economic, and public policy issues, with strong emphasis on explaining how things work in practice. The authors avoid technical jargon and advanced math, but address fundamental analytical skills with wide application, including: Two brand new chapters giving an introduction to population dynamics and statistical analysis for energy studies Additional self-study problems and answers More worked examples Up-to-date coverage of areas such as hydraulic fracturing, integration of renewable energy to power grid, and cost.
Author: Davide Andrea
Publisher: Artech House
ISBN: 1630817708
Category : Technology & Engineering
Languages : en
Pages : 462
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Book Description
This comprehensive, two-volume resource provides a thorough introduction to lithium ion (Li-ion) technology. Readers get a hands-on understanding of Li-ion technology, are guided through the design and assembly of a battery, through deployment, configuration and testing. The book covers dozens of applications, with solutions for each application provided. Volume Two focuses on small batteries in consumer products and power banks, as well as large low voltage batteries in stationary or mobile house power, telecom, residential, marine and microgrid. Traction batteries, including passenger, industrial, race vehicles, public transit, marine, submarine and aircraft are also discussed. High voltage stationary batteries grid-tied and off-grid are presented, exploring their use in grid quality, arbitrage and back-up, residential, microgrid, industrial, office buildings. Finally, the book explores what happens when accidents occur, so readers may avoid these mistakes. Written by a prominent expert in the field and packed with over 500 illustrations, these volumes contain solutions to practical problems, making it useful for both the novice and experienced practitioners.
Author: Yogi Goswami
Publisher: Taylor & Francis
ISBN: 131774084X
Category : Technology & Engineering
Languages : en
Pages : 532
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Book Description
'Essential for any serious technical library' Professor Martin Green, University of New South Wales, Australia The Advances in Solar Energy series offers state-of-the-art information on all primary renewable energy technologies, including solar, wind and biomass, bringing together invited contributions from the foremost international experts in renewable energy. Volume 16 is the first volume to be published by Earthscan. Topics covered include: * Anthropogenic global warming: evidence, predictions and consequences * Comparing projections of PV generation ad European and U.S. domestic oil production * Recent advances in solar PV technology * III-V compound multi-junction and concentrator solar cells * Progress of highly reliable crystalline Si solar devices and materials * Recent advances in parabolic trough solar power plant technology * Solar pond technologies: a review and future directions * Passive cooling of buildings * Renewable solar energy for traveling: air, land and water * Modeling solar hydrogen fuel cell systems * Renewable energy for the Russian economy * An innovative, high temperature and concentration solar optical system at the turn of the 19th Century: the Pyreheliophoro Spanning a broad range of technical subjects, this volume and series is a 'must-have' reference on global developments in the field of renewable energy, suitable for solar energy experts (including engineers and architects), utilities and industry professionals, students, teachers and researchers in renewable energy, technical libraries and laboratories.
Author: David Houghton
Publisher: Fernhurst Books Limited
ISBN: 1909911852
Category : Sports & Recreation
Languages : en
Pages : 375
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Book Description
The wind powers everything a sailor does and this book will help you to understand it. As a result you will be more prepared for your race, able to anticipate changes in the wind better and know what to do when they come. The first edition of this book was published in 1986, and it has been the go-to wind book for dinghy champions ever since. This new-look fourth edition is fully updated for modern forecasting and analyses a revised set of popular racing venues around the world: unveiling what to expect from the weather at over 25 regatta locations, it will get you ahead of the competition and powering up the leaderboard.
