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Nonlinear dynamics of M&NEMS resonant sensors
ISBN: 9783844310252 / Angielski / Miękka / 272 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The mechanical transduction gain of nanoelectromechanical systems (NEMS) has been thoroughly studied, but the drive power has always been a priori limited to the onset of non-linearities. Besides, the smaller the structures, the sooner non-linearities occur, reducing their dynamic range and even making extremely difficult to detect their oscillation. In this thesis, this limitation is reconsidered, i.e. the non-linear dynamics of M&NEMS sensors is investigated. Several analytical design rules are provided in order to enhance the dynamic range of nanoresonators and the detection limit of...
The mechanical transduction gain of nanoelectromechanical systems (NEMS) has been thoroughly studied, but the drive power has always been a priori lim...
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cena:
357,51 |
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HVAC and Plumbing
ISBN: 9783845403953 / Angielski / Miękka / 96 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In enclosed spaces, the combined treatment of the air to control, as specified, temperature, relative humidity, velocity of motion, and radiant heat energy level, with consideration of the need for removal of air-borne particles and contaminant gases.Heating Ventilating and Air conditioning (HVAC) System is capable of providing heating humidification during the winter, cooling and dehumidification during summer, the supply of fresh air through - out the year and capability to furnish each of these services in a controlled manner and when sought by building occupants.Plumbing is a system of...
In enclosed spaces, the combined treatment of the air to control, as specified, temperature, relative humidity, velocity of motion, and radiant heat e...
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cena:
221,75 |
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Optimization as a Thermodynamic System
ISBN: 9783845403793 / Angielski / Miękka / 68 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In mechanical engineering structural optimization requires an optimized mechanical structure with respect to size and shape. Topology optimization fulfill these requirements. Evolutionary Structural Topology Optimization (ESTO)is key point of this book. Since there was no such ESTO having strong mathematical background. In this book it tries to find and implement such ESTO method in an FEM software. A number of simulations, analysis and parametric study has been performed to ensure about our findings about ESTO method having strong mathematical background.
In mechanical engineering structural optimization requires an optimized mechanical structure with respect to size and shape. Topology optimization ful...
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cena:
221,75 |
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Periodic Orbits Around L4 in the Restricted Problem
ISBN: 9783843385985 / Angielski / Miękka / 200 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Periodic orbits around L4 in the Restricted three body problem have been determined where the primaries are axes symmetric bodies and source of radiation pressure. Throughout the studies, a constant U has been introduced in the Lagrangian in such a way that the energy constant (h) vanishes at L4. A mobile coordinate system is used to determine the periodic orbits by giving displacement to these coordinates along the normal and the tangent. An algorithm is constructed in two stages, to draw the periodic orbits. These are: first predictor-part and then corrector-part. In each chapter, five...
Periodic orbits around L4 in the Restricted three body problem have been determined where the primaries are axes symmetric bodies and source of radiat...
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cena:
307,73 |
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Modeling Chemical Processes in Materials
ISBN: 9783844306811 / Angielski / Miękka / 96 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Modern alloys appear and develop as complex multi- component systems with the aim of accomplishing demands of metallurgical engineering, material science and industry. Nowadays, many commercial software systems can be found in the market to perform complicated calculations, in order to obtain thermodynamic properties of materials. This work reviews the algorithms, procedures, formulations and calculations behind the most common approach used in computational thermochemistry, CALPHAD (CALculation of PHAse Diagrams).
Modern alloys appear and develop as complex multi- component systems with the aim of accomplishing demands of metallurgical engineering, material scie...
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cena:
221,75 |
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solitons in nonlinear deformable systems with impurities
ISBN: 9783838390499 / Angielski / Miękka / 132 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The purpose of this thesis is the study of the influence of impurities on the nucleation rate of kink-antikink pairs in nonlinear deformable systems. We study the dynamics of solitary waves in the generalized Frenkel-Kontorova (GFK) model, discussed about kink pro les and energy in the continuum limit of this model and present Some conclusions concerning the interactions of kink in the system.The influence of the Gaussian approximation on the nucleation rate of kink-antikink pairs in a nonlinear deformable chain is performed and a new formula for the nucleation rate of kink-antikink pairs is...
The purpose of this thesis is the study of the influence of impurities on the nucleation rate of kink-antikink pairs in nonlinear deformable systems. ...
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cena:
267,00 |
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Determination of Thermophysical Properties of Materials
ISBN: 9783844322217 / Angielski / Miękka / 140 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In this book, an analytical method for on-line determination of absorptance and emittance of materials is discussed. It uses data from sample heating and cooling histories obtained from an absorption calorimeter. The calorimeter is a box chamber having a window, sample holder, tungsten halogen lamp and a microcomputer with instrument interface to control the opening and closing of the shutter window. It is automated with a Z80 microprocessor system that acquires data from the sample through thermocouples, filters, amplifiers and analogue-to-digital converters for temporary storage in an...
In this book, an analytical method for on-line determination of absorptance and emittance of materials is discussed. It uses data from sample heating ...
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cena:
267,00 |
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Influence of the Speed Deformation to Change of Local Mechanical Properties on Sheet Steels
ISBN: 9783838387413 / Angielski / Miękka / 72 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. |
cena:
221,75 |
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Effects of Nano and Micro-surface Treatments on Boiling Heat Transfer
ISBN: 9783844332872 / Angielski / Miękka / 176 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This work investigates the flow boiling heat transfer in microchannels with the aim of developing compact cooling systems which can be adapted to miniaturized power components. Nano and micro-surface treatments were used as innovative techniques to improve the heat transfer performance as well as to delay the intermittent dryout. Initially,pool-boiling experiments were performed to highlight the impact of nanocoatings on nucleate-boiling mechanisms. It was observed that the surface wettability modified by nanoparticle deposition had significant effects on the boiling processes. Afterwards, a...
This work investigates the flow boiling heat transfer in microchannels with the aim of developing compact cooling systems which can be adapted to mini...
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cena:
307,73 |
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General Method for the Analysis of Cogeneration Systems
ISBN: 9783844323009 / Angielski / Miękka / 132 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In many cases the decentralisation of the markets lead to an increased price of energy due to a higher number of companies created between the producers and consumers. This phenomenon tends to tighten the competition and increases the pressure on all the market actors. Under these circumstances a simple economical analysis is in many cases unsatisfactory since the competitiveness of one producer on an energy market is also influenced by other factors such as: fuels price variation, tariffs applied by transport operators and energy providers, introduction of eco- taxes, etc. The proposed...
In many cases the decentralisation of the markets lead to an increased price of energy due to a higher number of companies created between the produce...
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cena:
267,00 |
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Phase Behavior of oppositely charged nanoparticles
ISBN: 9783847313717 / Angielski / Miękka / 152 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Binary suspensions made up of oppositely charged nanoparticles have been shown to self assemble into substitutionally ordered superlattices. The structure of the superlattice depends upon the particle charges as well as the mixture composition. Pressure composition phase diagrams for binary mixtures of equal sized and oppositely charged nanoparticles are constructed for charge ratios ranging from -1 to 0. The effect of charge asymmetry on the formation and stability of the substitutionally ordered solid is clearly demonstrated.
Binary suspensions made up of oppositely charged nanoparticles have been shown to self assemble into substitutionally ordered superlattices. The stru...
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cena:
267,00 |
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Thermodynamic conditions in quenching chamber of LV circuit breaker
ISBN: 9783846539231 / Angielski / Miękka / 104 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Work deals with the study of processes that attend the electric arc extinction inside the quenching chamber of a circuit breaker. It is focused on several areas. The first one is concerned to fluid dynamics calculations (CFD) and the second one is aimed at thermal field calculations. In this work effects of metal plates distance together with metal plates shapes are described from aerodynamical point of view. Another objective solved by this work is to give information about influence of an electric arc position in a quenching chamber, which changed its shape due to forces acting on it during...
Work deals with the study of processes that attend the electric arc extinction inside the quenching chamber of a circuit breaker. It is focused on sev...
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cena:
221,75 |
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Scriptores Physiognomonici, vol. II: Physiognomonica Anonymi, Pseudopolemonis, Rasis, Secreti Secretorum Latine, Anonymi Graece, Fragmenta, Indices Continens
ISBN: 9783598717819 / Angielski / Twarda / 277 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Die Bibliotheca Teubneriana, gegrundet 1849, ist die weltweit alteste, traditionsreichste und umfangreichste Editionsreihe griechischer und lateinischer Literatur von der Antike bis zur Neuzeit. Pro Jahr erscheinen 4-5 neue Editionen. Samtliche Ausgaben werden durch eine lateinische Praefatio erganzt.
Die Bibliotheca Teubneriana, gegrundet 1849, ist die weltweit alteste, traditionsreichste und umfangreichste Editionsreihe griechischer un... |
cena:
644,67 |
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Thermodynamics: Fundamentals for Applications
ISBN: 9780521588188 / Angielski / Miękka / 674 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Thermodynamics: Fundamentals and Applications is a 2005 text for a first graduate course in chemical engineering.
Thermodynamics: Fundamentals and Applications is a 2005 text for a first graduate course in chemical engineering.
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cena:
550,67 |
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Rotating Thermal Flows in Natural and Industrial Processes
ISBN: 9781119960799 / Angielski / Twarda / 540 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Rotating Thermal Flows in Natural and Industrial Processes provides the reader with a systematic description of the different types of thermal convection and flow instabilities in rotating systems, as present in materials, crystal growth, thermal engineering, meteorology, oceanography, geophysics and astrophysics.
Rotating Thermal Flows in Natural and Industrial Processes provides the reader with a systematic description of the different types of thermal convect...
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cena:
784,09 |
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Introduction to Thermoelectricity
ISBN: 9783642260926 / Angielski / Miękka / 242 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Introduction to Thermoelectricity is the latest work by Professor Julian Goldsmid drawing on his 55 years experience in the field. The theory of the thermoelectric and related phenomena is presented in sufficient detail to enable researchers to understand their observations and develop improved thermoelectric materials. The methods for the selection of materials and their improvement are discussed. Thermoelectric materials for use in refrigeration and electrical generation are reviewed. Experimental techniques for the measurement of properties and for the production of thermoelements are...
Introduction to Thermoelectricity is the latest work by Professor Julian Goldsmid drawing on his 55 years experience in the field. The theory of the t...
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cena:
570,91 |
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Convective Heat and Mass Transfer in Rotating Disk Systems
ISBN: 9783642260582 / Angielski / Miękka / 236 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The book describes results of investigations of a series of convective heat and mass transfer problems in rotating-disk systems, namely, over free rotating disks, under conditions of transient heat transfer, solid- body rotation of fluid, orthogonal flow impingement onto a disk, swirl radial flow between parallel co-rotating disks, in cone-disk systems and for Prandtl and Schmidt numbers larger than unity. Methodology used included integral methods, self-similar and approximate analytical solutions, as well as CFD. The book is aimed at the professional audience of academic researchers,... The book describes results of investigations of a series of convective heat and mass transfer problems in rotating-disk systems, namely, over free ... |
cena:
610,90 |
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Heat Flux: Processes, Measurement Techniques & Applications
ISBN: 9781614708872 / Angielski / Twarda / 217 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. |
cena:
705,34 |
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Evaluando los Sistemas de Refrigeración Absorción versus Compresión
ISBN: 9783845493756 / Hiszpański / Miękka / 164 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. El presente proyecto de grado surge con la necesidad de producir hielo, destinado a la industria alimentaria, como consecuencia se plantea dos posibles soluciones: el sistema de refrigeracion por absorcion y el sistema de refrigeracion por compresion de vapor. El sistema de refrigeracion por absorcion, considerado como no tradicional, utiliza como fuente de energia primaria el calor (gas natural). El sistema de refrigeracion por compresion de vapor tiene como fuente de energia la electricidad. El sistema mas conveniente, sera elegido, a traves de una evaluacion tecnica-economica, para lo cual...
El presente proyecto de grado surge con la necesidad de producir hielo, destinado a la industria alimentaria, como consecuencia se plantea dos posible...
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cena:
267,00 |
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Una Contribucion Al Modelaje de Maquinas y Motores Termicos
ISBN: 9783848473489 / Hiszpański / Miękka / 68 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. La termodinamica es la ciencia de la energia y presenta una gran importancia en el diseno de motores de automoviles, turbinas de gas, turbinas de vapor, y todos aquellos dispositivos que funcionan a traves de ciclos de potencia y de refrigeracion. Es por esta razon que ha sido parte esencial de los pensum de estudios de las carreras de ingenieria en todo el mundo. En este texto se muestra una aplicacion de esta ciencia en el analisis de las maquinas termicas y se estudian las variables fisicas que permitan optimizar el rendimiento y la potencia de estos dispositivos. Se hace enfasis en...
La termodinamica es la ciencia de la energia y presenta una gran importancia en el diseno de motores de automoviles, turbinas de gas, turbinas de vapo...
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cena:
131,24 |
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