Effect Of Random Thermal Spikes On Stirling Convertor Heater Head Reliability

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Effect of Random Thermal Spikes on Stirling Convertor Heater Head Reliability

Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781721685943
Total Pages : 30 pages
Book Rating : 4.6/5 (859 download)

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Book Synopsis Effect of Random Thermal Spikes on Stirling Convertor Heater Head Reliability by : National Aeronautics and Space Administration (NASA)

Download or read book Effect of Random Thermal Spikes on Stirling Convertor Heater Head Reliability written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-21 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Onboard radioisotope power systems being developed to support future NASA exploration missions require reliable design lifetimes of up to 14 yr and beyond. The structurally critical heater head of the high-efficiency developmental Stirling power convertor has undergone extensive computational analysis of operating temperatures (up to 650 C), stresses, and creep resistance of the thin-walled Inconel 718 bill of material. Additionally, assessment of the effect of uncertainties in the creep behavior of the thin-walled heater head, the variation in the manufactured thickness, variation in control temperature, and variation in pressure on the durability and reliability were performed. However, it is possible for the heater head to experience rare incidences of random temperature spikes (excursions) of short duration. These incidences could occur randomly with random magnitude and duration during the desired mission life. These rare incidences could affect the creep strain rate and therefore the life. The paper accounts for these uncertainties and includes the effect of such rare incidences, random in nature, on the reliability. The sensitivities of variables affecting the reliability are quantified and guidelines developed to improve the reliability are outlined. Furthermore, the quantified reliability is being verified with test data from the accelerated benchmark tests being conducted at the NASA Glenn Research Center. Shah, Ashwin R. and Korovaichuk, Igor and Halford, Gary R. Glenn Research Center NASA/TM-2004-213368, AIAA Paper 2004-5507, E-14836

Renewable and Efficient Electric Power Systems

Author : Gilbert M. Masters
Publisher : John Wiley & Sons
ISBN 13 : 0471668834
Total Pages : 676 pages
Book Rating : 4.4/5 (716 download)

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Book Synopsis Renewable and Efficient Electric Power Systems by : Gilbert M. Masters

Download or read book Renewable and Efficient Electric Power Systems written by Gilbert M. Masters and published by John Wiley & Sons. This book was released on 2005-01-03 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a comprehensive textbook for the new trend of distributed power generation systems and renewable energy sources in electric power systems. It covers the complete range of topics from fundamental concepts to major technologies as well as advanced topics for power consumers. An Instructor's Manual presenting detailed solutions to all the problems in the book is available from the Wiley editorial department -- to obtain the manual, send an email to [email protected]

Statistical Mechanics

Author : James Sethna
Publisher : OUP Oxford
ISBN 13 : 0191566217
Total Pages : 374 pages
Book Rating : 4.1/5 (915 download)

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Book Synopsis Statistical Mechanics by : James Sethna

Download or read book Statistical Mechanics written by James Sethna and published by OUP Oxford. This book was released on 2006-04-07 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: In each generation, scientists must redefine their fields: abstracting, simplifying and distilling the previous standard topics to make room for new advances and methods. Sethna's book takes this step for statistical mechanics - a field rooted in physics and chemistry whose ideas and methods are now central to information theory, complexity, and modern biology. Aimed at advanced undergraduates and early graduate students in all of these fields, Sethna limits his main presentation to the topics that future mathematicians and biologists, as well as physicists and chemists, will find fascinating and central to their work. The amazing breadth of the field is reflected in the author's large supply of carefully crafted exercises, each an introduction to a whole field of study: everything from chaos through information theory to life at the end of the universe.

Small is Profitable

Author : Amory B. Lovins
Publisher : Routledge
ISBN 13 : 1134258747
Total Pages : 398 pages
Book Rating : 4.1/5 (342 download)

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Book Synopsis Small is Profitable by : Amory B. Lovins

Download or read book Small is Profitable written by Amory B. Lovins and published by Routledge. This book was released on 2020-11-27 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: Today's electricity industry - large power stations feeding a nationwide grid - will soon be a thing of the past. This book explains why and what will replace it - decentralized and distributed electrical resources which can be up to 10 times as economically valuable. The authors - all leading experts in the field - explain very clearly and thoroughly all the benefits, so the engineers will understand the economic advantages and the investors will understand the engineering efficiencies. Here's what industry experts are saying about Small is Profitable... 'A tour-de-force and a goldmine of good ideas. It is going to have a stunning impact on thinking about electricity.' Walter C. Patterson, Senior Research Fellow, Royal Institute of International Affairs, London. 'An amazing undertaking - incredibly ambitious yet magnificently researched and executed.' Dr. Shimon Awerbuch, Senior Advisor, International Energy Agency, Paris. 'Outstanding...You have thought of some [benefits] I never considered...A great resource for the innovation in energy services that will have to take place for us to have a sustainable future.' Dr. Carl Weinberg, Weinberg Associates, former Research Director, PG&E. 'This is a brilliant synthesis and overview with a lot of original analytics and insights and a very important overall theme. I think it is going to have a big impact.' Greg Kats, Principal, Capital E LLC, former Finance Director for Efficiency and Renewable Energy, U.S. Department of Energy. 'E. F. Schumacher would be proud of this rigorous extension of his thesis in Small is Beautiful. It shows how making systems the right size can make them work better and cost less. Here are critical lessons for the new century: technologies tailored to the needs of people, not the reverse, can improve the economy and the environment.' Dr. Daniel Kammen, Professor of Energy and Society and of Public Policy, University of California, Berkeley. 'Small is Profitable creates an unconventional but impeccably reasoned foundation to correctly assign the costs and true benefits of distributed energy systems. It has become an indispensable tool for modelling distributed energy systems benefits for us.' Tom Dinwoodie, CEO and Chairman, PowerLight Corporation. 'A Unique and valuable contribution to the distributed energy industry...Small Is Profitable highlights the societal benefits of distributed resources, and will be a helpful guide to policymakers who wish to properly account for these benefits in the marketplace.' Nicholas Lenssen, Senior Director, Primen. 'This book will shift the electric industry from the hazards of overcentralization toward the new era where distributed generation will rule.' Steven J. Strong, President, Solar Design Associates, Inc. 'Readers will understand why distributed resources are poised to fundamentally alter the electric power system. Its comprehensive review of the benefits of distributed resources [is] an important part of my library.' Dr. Thomas E. Hoff, President, Clean Power Research. 'The most comprehensive treatise on distributed generation.... Great job and congratulations.' Howard Wenger, Principal, Pacific Energy Group '..[D]ensely packed with information and insights...goes a long way to demonstrate that the former paradigm of electric power supply no longer makes sense.' Prof. Richard Hirsh, University of Vermont, Leading historian of the electric power sector. 'Amory Lovins was already the world's most original and influential thinker on the future of energy services in general and electricity systems in particular. This remarkable book is a very worthy addition to an extraordinary legacy.' Ralph Cavanagh, Energy Co-Director, Natural Resources Defense Council. 'This is a book every utility professional should have on the bookshelf.' Dr Peter S. Fox-Penner, Principal and Chairman of the Board, the Brattle Group, former Principal Deputy Assistant Secretary of Energy.

Research and Technology Program

Author :
Publisher :
ISBN 13 :
Total Pages : 74 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Research and Technology Program by :

Download or read book Research and Technology Program written by and published by . This book was released on 1994 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Vehicle Propulsion Systems

Author : Lino Guzzella
Publisher : Springer Science & Business Media
ISBN 13 : 3540746927
Total Pages : 345 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Vehicle Propulsion Systems by : Lino Guzzella

Download or read book Vehicle Propulsion Systems written by Lino Guzzella and published by Springer Science & Business Media. This book was released on 2007-09-21 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors of this text have written a comprehensive introduction to the modeling and optimization problems encountered when designing new propulsion systems for passenger cars. It is intended for persons interested in the analysis and optimization of vehicle propulsion systems. Its focus is on the control-oriented mathematical description of the physical processes and on the model-based optimization of the system structure and of the supervisory control algorithms.

Physics of Surfaces and Interfaces

Author : Harald Ibach
Publisher : Springer Science & Business Media
ISBN 13 : 3540347100
Total Pages : 653 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Physics of Surfaces and Interfaces by : Harald Ibach

Download or read book Physics of Surfaces and Interfaces written by Harald Ibach and published by Springer Science & Business Media. This book was released on 2006-11-18 with total page 653 pages. Available in PDF, EPUB and Kindle. Book excerpt: This graduate-level textbook covers the major developments in surface sciences of recent decades, from experimental tricks and basic techniques to the latest experimental methods and theoretical understanding. It is unique in its attempt to treat the physics of surfaces, thin films and interfaces, surface chemistry, thermodynamics, statistical physics and the physics of the solid/electrolyte interface in an integral manner, rather than in separate compartments. It is designed as a handbook for the researcher as well as a study-text for graduate students. Written explanations are supported by 350 graphs and illustrations.

Optical Tweezers

Author : Philip H. Jones
Publisher : Cambridge University Press
ISBN 13 : 1107051169
Total Pages : 565 pages
Book Rating : 4.1/5 (7 download)

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Book Synopsis Optical Tweezers by : Philip H. Jones

Download or read book Optical Tweezers written by Philip H. Jones and published by Cambridge University Press. This book was released on 2015-12-03 with total page 565 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive guide to the theory, practice and applications of optical tweezers, combining state-of-the-art research with a strong pedagogic approach.

Heat Pipe Design and Technology

Author : Bahman Zohuri
Publisher : Springer
ISBN 13 : 3319298410
Total Pages : 539 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Heat Pipe Design and Technology by : Bahman Zohuri

Download or read book Heat Pipe Design and Technology written by Bahman Zohuri and published by Springer. This book was released on 2016-04-28 with total page 539 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a practical study of modern heat pipe engineering, discussing how it can be optimized for use on a wider scale. An introduction to operational and design principles, this book offers a review of heat and mass transfer theory relevant to performance, leading into and exploration of the use of heat pipes, particularly in high-heat flux applications and in situations in which there is any combination of non-uniform heat loading, limited airflow over the heat generating components, and space or weight constraints. Key implementation challenges are tackled, including load-balancing, materials characteristics, operating temperature ranges, thermal resistance, and operating orientation. With its presentation of mathematical models to calculate heat transfer limitations and temperature gradient of both high- and low-temperature heat pipes, the book compares calculated results with the available experimental data. It also includes a series of computer programs developed by the author to support presented data, aid design, and predict performance.

Civil Space Technology Initiative

Author :
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Civil Space Technology Initiative by :

Download or read book Civil Space Technology Initiative written by and published by . This book was released on 1990 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Monitoring for Gaseous Pollutants in Museum Environments

Author : Cecily M. Grzywacz
Publisher : Getty Publications
ISBN 13 : 0892368519
Total Pages : 190 pages
Book Rating : 4.8/5 (923 download)

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Book Synopsis Monitoring for Gaseous Pollutants in Museum Environments by : Cecily M. Grzywacz

Download or read book Monitoring for Gaseous Pollutants in Museum Environments written by Cecily M. Grzywacz and published by Getty Publications. This book was released on 2006-09-01 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: With an emphasis on passive sampling, this volume focuses on the environmental monitoring for common gaseous pollutants. It offers an overview of the history and nature of pollutants of concern to museums and the challenges facing scientists, conservators, and managers seeking to develop target pollutant guidelines to protect cultural property.

Modern Engineering Thermodynamics - Textbook with Tables Booklet

Author : Robert T. Balmer
Publisher : Academic Press
ISBN 13 : 0123850738
Total Pages : 905 pages
Book Rating : 4.1/5 (238 download)

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Book Synopsis Modern Engineering Thermodynamics - Textbook with Tables Booklet by : Robert T. Balmer

Download or read book Modern Engineering Thermodynamics - Textbook with Tables Booklet written by Robert T. Balmer and published by Academic Press. This book was released on 2011-01-03 with total page 905 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern Engineering Thermodynamics - Textbook with Tables Booklet offers a problem-solving approach to basic and applied engineering thermodynamics, with historical vignettes, critical thinking boxes and case studies throughout to help relate abstract concepts to actual engineering applications. It also contains applications to modern engineering issues. This textbook is designed for use in a standard two-semester engineering thermodynamics course sequence, with the goal of helping students develop engineering problem solving skills through the use of structured problem-solving techniques. The first half of the text contains material suitable for a basic Thermodynamics course taken by engineers from all majors. The second half of the text is suitable for an Applied Thermodynamics course in mechanical engineering programs. The Second Law of Thermodynamics is introduced through a basic entropy concept, providing students a more intuitive understanding of this key course topic. Property Values are discussed before the First Law of Thermodynamics to ensure students have a firm understanding of property data before using them. Over 200 worked examples and more than 1,300 end of chapter problems provide an extensive opportunity to practice solving problems. For greater instructor flexibility at exam time, thermodynamic tables are provided in a separate accompanying booklet. University students in mechanical, chemical, and general engineering taking a thermodynamics course will find this book extremely helpful. Provides the reader with clear presentations of the fundamental principles of basic and applied engineering thermodynamics. Helps students develop engineering problem solving skills through the use of structured problem-solving techniques. Introduces the Second Law of Thermodynamics through a basic entropy concept, providing students a more intuitive understanding of this key course topic. Covers Property Values before the First Law of Thermodynamics to ensure students have a firm understanding of property data before using them. Over 200 worked examples and more than 1,300 end of chapter problems offer students extensive opportunity to practice solving problems. Historical Vignettes, Critical Thinking boxes and Case Studies throughout the book help relate abstract concepts to actual engineering applications. For greater instructor flexibility at exam time, thermodynamic tables are provided in a separate accompanying booklet.

Sustainable Energy

Author : David J. C. MacKay
Publisher :
ISBN 13 :
Total Pages : 368 pages
Book Rating : 4.:/5 (929 download)

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Book Synopsis Sustainable Energy by : David J. C. MacKay

Download or read book Sustainable Energy written by David J. C. MacKay and published by . This book was released on 2009 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook of Bioenergy Crops

Author : N. El Bassam
Publisher : Earthscan
ISBN 13 : 1849774781
Total Pages : 545 pages
Book Rating : 4.8/5 (497 download)

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Book Synopsis Handbook of Bioenergy Crops by : N. El Bassam

Download or read book Handbook of Bioenergy Crops written by N. El Bassam and published by Earthscan. This book was released on 2010 with total page 545 pages. Available in PDF, EPUB and Kindle. Book excerpt: This completely revised second edition includes new information on biomass in relation to climate change, new coverage of vital issues including the "food versus fuel" debate, and essential new information on "second generation" fuels and advances in conversion techniques. The book begins with a guide to biomass accumulation, harvesting, transportation and storage, as well as conversion technologies for biofuels. This is followed by an examination of the environmental impact and economic and social dimensions, including prospects for renewable energy. The book then goes on to cover all the main potential energy crops.

Climate Rationality

Author : Jason S. Johnston
Publisher : Cambridge University Press
ISBN 13 : 1108244254
Total Pages : 657 pages
Book Rating : 4.1/5 (82 download)

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Book Synopsis Climate Rationality by : Jason S. Johnston

Download or read book Climate Rationality written by Jason S. Johnston and published by Cambridge University Press. This book was released on 2021-08-19 with total page 657 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most environmental statutes passed since 1970 have endorsed a pragmatic or 'precautionary' principle under which the existence of a significant risk is enough to trigger regulation. At the same time, targets of such regulation have often argued on grounds of inefficiency that the associated costs outweigh any potential benefits. In this work, Jason Johnston unpacks and critiques the legal, economic, and scientific basis for precautionary climate policies pursued in the United States and in doing so sheds light on why the global warming policy debate has become increasingly bitter and disconnected from both climate science and economics. Johnston analyzes the most influential international climate science assessment organizations, the US electric power industry, and land management and renewable energy policies. Bridging sound economics and climate science, this pathbreaking book shows how the United States can efficiently adapt to a changing climate while radically reducing greenhouse gas emissions.

The Ecology of Phytoplankton

Author : C. S. Reynolds
Publisher : Cambridge University Press
ISBN 13 : 1139454897
Total Pages : 437 pages
Book Rating : 4.1/5 (394 download)

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Book Synopsis The Ecology of Phytoplankton by : C. S. Reynolds

Download or read book The Ecology of Phytoplankton written by C. S. Reynolds and published by Cambridge University Press. This book was released on 2006-05-04 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt: This important new book by Colin Reynolds covers the adaptations, physiology and population dynamics of phytoplankton communities. It provides basic information on composition, morphology and physiology of the main phyletic groups represented in marine and freshwater systems and in addition reviews recent advances in community ecology.

Bringing the Future Within Reach

Author : Robert S. Arrighi
Publisher : Government Printing Office
ISBN 13 : 9780160932106
Total Pages : 428 pages
Book Rating : 4.9/5 (321 download)

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Book Synopsis Bringing the Future Within Reach by : Robert S. Arrighi

Download or read book Bringing the Future Within Reach written by Robert S. Arrighi and published by Government Printing Office. This book was released on 2016 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book documents Glenn's many research specialties over those 75 years. Among them are early jet engines and rockets; flight safety and fuel efficiency tested in premier icing and wind tunnels; liquid hydrogen fuel which, despite skeptics like aerospace engineer Wernher von Braun, helped the U.S. win the race to the moon; and electric propulsion, considered key to future space flight. Space enthusiasts, aviation personnel, aerospace engineers, and inventors may be interested in this comprehensive and milestone volume. Other related products: NASA at 50: Interviews With NASA\'s Senior Leadership can be found here: https: //bookstore.gpo.gov/products/sku/033-000-01360-4 Other products published by National Aeronautical and Space Administration (NASA) can be found here: https: //bookstore.gpo.gov/agency/550