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1. |
Record Nr. |
UNINA990000076410403321 |
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Autore |
Lundbye, J. T. |
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Titolo |
Den Polytekniske laereanstalt 1829-1929 / J. T. Lundbye |
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Pubbl/distr/stampa |
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Kobenhavn : I Kommission hos G.E.G. Gad., 1929 |
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Descrizione fisica |
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Disciplina |
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Locazione |
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Collocazione |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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2. |
Record Nr. |
UNINA9910784557503321 |
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Autore |
Winston Roland |
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Titolo |
Nonimaging optics [[electronic resource] /] / Roland Winston, Juan C. Miñano and Pablo Benítez ; with contributions by Narkis Shatz and John C. Bortz |
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Pubbl/distr/stampa |
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Burlington, MA, : Elsevier Academic Press, c2005 |
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ISBN |
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1-281-00840-0 |
9786611008406 |
0-08-047973-1 |
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Edizione |
[1st edition] |
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Descrizione fisica |
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1 online resource (511 p.) |
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Altri autori (Persone) |
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WelfordW. T |
MiñanoJuan C |
BenítezPablo |
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Disciplina |
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Soggetti |
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Solar collectors |
Optics |
Reflectors, Lighting |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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"This books is a successor to High collection nonimaging optics |
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published by Academic Press in 1989, and Optics of nonimaging concentrators, published 10 years earlier, by W.T. Welford and R. Winston."--Pref. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Front Cover; NONIMAGING OPTICS; Copyright Page; CONTENTS; Preface; Chapter 1. Nonimaging Optical Systems and Their Uses; 1.1 Nonimaging Collectors; 1.2 Definition of the Concentration Ratio; The Theoretical Maximum; 1.3 Uses of Concentrators; 1.4 Uses of Illuminators; References; Chapter 2. Some Basic Ideas in Geometrical Optics; 2.1 The Concepts of Geometrical Optics; 2.2 Formulation of the Ray-Tracing Procedure; 2.3 Elementary Properties of Image-Forming Optical Systems; 2.4 Aberrations in Image-Forming Optical Systems |
2.5 The Effect of Aberrations In an Image-Forming System on the Concentration Ratio2.6 The Optical Path Length and Fermat's Principle; 2.7 The Generalized étendue or Lagrange Invariant and the Phase Space Concept; 2.8 The Skew Invariant; 2.9 Different Versions of the Concentration Ratio; Reference; Chapter 3. Some Designs of Image-Forming Concentrators; 3.1 Introduction; 3.2 Some General Properties of Ideal Image-Forming Concentrators; 3.3 Can an Ideal Image-Forming Concentrator Be Designed?; 3.4 Media with Continuously Varying Refractive Indices; 3.5 Another System of Spherical Symmetry |
3.6 Image-Forming Mirror Systems3.7 Conclusions on Classical Image-Forming Concentrators; References; Chapter 4. Nonimaging Optical Systems; 4.1 Limits to Concentration; 4.2 Imaging Devices and Their Limitations; 4.3 Nonimaging Concentrators; 4.4 The Edge-Ray Principle or "String" Method; 4.5 Light Cones; 4.6 The Compound Parabolic Concentrator; 4.7 Properties of the Compound Parabolic Concentrator; 4.8 Cones and Paraboloids As Concentrators; References; Chapter 5. Developments and Modifications of the Compound Parabolic Concentrator; 5.1 Introduction |
5.2 The Dielectric-Filled CPC with Total Internal Reflection5.3 The CPC with Exit Angle Less Than π/2; 5.4 The Concentrator for A Source at A Finite Distance; 5.5 The Two-Stage CPC; 5.6 The CPC Designed for Skew Rays; 5.7 The Truncated CPC; 5.8 The Lens-Mirror CPC; 5.9 2D Collection in General; 5.10 Extension of the Edge-Ray Principle; 5.11 Some Examples; 5.12 The Differential Equation for the Concentrator Profile; 5.13 Mechanical Construction for 2D Concentrator Profiles; 5.14 A General Design Method for A 2D Concentrator with Lateral Reflectors |
5.15 Application of the Method: Tailored Designs5.16 A Constructive Design Principle for Optimal Concentrators; References; Chapter 6. The Flow-line Method for Designing Nonimaging Optical Systems; 6.1 The Concept of the Flow Line; 6.2 Lines of Flow from Lambertian Radiators: 2D Examples; 6.3 3D Example; 6.4 A Simplified Method for Calculating Lines of Flow; 6.5 Properties of the Lines of Flow; 6.6 Application to Concentrator Design; 6.7 The Hyperboloid of Revolution As A Concentrator; 6.8 Elaborations of the Hyperboloid: the Truncated Hyperboloid; 6.9 The Hyperboloid Combined with A Lens |
6.10 The Hyperboloid Combined With Two Lenses |
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Sommario/riassunto |
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From its inception nearly 30 years ago, the optical subdiscipline now referred to as nonimaging optics, has experienced dramatic growth. The term nonimaging optics is concerned with applications where imaging formation is not important but where effective and efficient collection , concentration, transport and distribution of light energy is - i.e. solar energy conversion, signal detection, illumination optics, measurement and testing. This book will incorporate the substantial developments of the past decade in this field.* Includes all substantial developments of the past decade in |
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3. |
Record Nr. |
UNINA9910812801603321 |
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Autore |
Colket Meredith |
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Titolo |
Fuel Effects on Operability of Aircraft Gas Turbine Combustors |
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Pubbl/distr/stampa |
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Reston, VA : , : American Institute of Aeronautics & Astronautics, , 2021 |
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©2021 |
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ISBN |
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Edizione |
[1st ed.] |
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Descrizione fisica |
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1 online resource (650 pages) |
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Collana |
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Progress in Astronautics and Aeronautics ; ; v.262 |
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Altri autori (Persone) |
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Disciplina |
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Soggetti |
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Fuel switching |
Jet engines - Combustion chambers |
Jet planes - Fuel |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Sommario/riassunto |
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Alternative jet fuel has been an active area of research and development since the 1973 oil embargo. Research goals have included establishing energy security, lowering fuel costs, and reducing emissions with a focus on developing cost-effective methodologies for processing and sustaining jet fuel production from shale, tar sands, coal, biomass, end use waste, and CO2. Physical and chemical properties, such as the viscosity, vapor pressure, boiling range, freeze point and hydrogen content, have been measured for many potential alternative jet fuels. Combustion characteristics, such as lean blow-out and ignition, have also been investigated in gas turbine engines and fundamental combustion devices. The compilation of this research has resulted in a large technical base for understanding the combustion of alternative jet fuels that have a wide range of physical and chemical properties and operating in different combustion devices. |
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4. |
Record Nr. |
UNINA9910557840603321 |
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Autore |
Diehlmann Florian |
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Titolo |
Facility Location Planning in Relief Logistics: Decision Support for German Authorities |
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Pubbl/distr/stampa |
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Karlsruhe, : KIT Scientific Publishing, 2022 |
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ISBN |
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Descrizione fisica |
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1 online resource (316 p.) |
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Collana |
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Soggetti |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Sommario/riassunto |
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The delivery of essential goods to beneficiaries in the aftermath of a disaster is one of the main objectives of relief logistics. Thereby, the present work aims to improve relief logistics by improving the location selection of warehouses, distribution centers, and points of distribution. Consequently, it offers the potential to significantly improve the distribution of goods in the aftermath of future disasters and, thereby, increase disaster resilience. |
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