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 | Отрасли экономики: Машиностроение -> Авиастроение Swati Saxena A New Algorithm for Nonlinear Propagation of Broadband Jet Noise. 2014 г., 96 стр., мягкий переплет This book describes a frequency domain model to predict the far-field broadband noise. Nonlinear wave propagation is observed in the noise created by many sources such as fighter jet aircraft, explosions, gunfire, sonic booms etc. This nonlinear behavior, which includes the transfer of energy to high frequencies from central and lower frequencies,... | 29327 тг  |
 | Отрасли экономики: Машиностроение -> Авиастроение Shaaban Abdallah and Mohamed Mandour Altitude Adjustable Rocket Nozzles Using Passive Flow Control. 2014 г., 128 стр., мягкий переплет The backward facing steps nozzle (BFSN) is a new developed flow adjustable exit area nozzle for large rocket engines. It consists of two parts, the first is a base nozzle with small area ratio and the second part is a nozzle extension with surface consists of backward facing steps. The number of steps and their heights are carefully chosen to... | 32883 тг |
 | Отрасли экономики: Машиностроение -> Авиастроение Oded Raz Photonic Processing of Microwave Signals. For applications in radar systems 2014 г., 140 стр., мягкий переплет Photonic processing of microwave signals aims to utilize the many advantages of optical waveguides and devices such as their >THz bandwidth, high EMI tolerance and low weight and volume over traditional microwave devices. These advantages can be best used in the demanding environment of radar systems and even more so in airborne systems. Many... | 33794 тг |
 | Отрасли экономики: Машиностроение -> Авиастроение Aleksander Lidtke Solar Power Satellite: an alternative concept. System study of a space-based solar power system 2014 г., 116 стр., мягкий переплет With the ever-increasing demand for power, shortage of natural resources, and increasing concerns about the pollution of the environment, renewable energy sources are becoming more popular. Unfortunately, not all locations on Earth have the capacity to host new renewable power plants. Some of these areas coincide with regions where the power... | 25197 тг |
 | Отрасли экономики: Машиностроение -> Авиастроение Nikolay Sokolov Optimization methodology of hierarchical control of orbit groups. Basics, Concepts, Methods 2014 г., 76 стр., мягкий переплет In the work «Optimization methodology of hierarchical control of orbit constellations» a new approach is proposed to the research of hierarchical optimization problem of large control systems. The unique methods are developed which allow determining the laws of spacecraft optimal control during the different flight stages without the use of... | 16033 тг |
 | Отрасли экономики: Машиностроение -> Авиастроение Yu Chee Tong Probabilistic Fatigue Life Analysis Methods for Aerospace Vehicles. 2014 г., 288 стр., мягкий переплет This book, “Probabilistic Fatigue Life Analysis Methods for Aerospace Vehicles”, is submitted by Yu Chee Tong to the School of Aerospace, Mechanical, and Mechatronics Engineering at the University of Sydney for the fulfillment of requirements for the degree of Doctor of Philosophy. Probabilistic approaches to fatigue life management in... | 52119 тг |
 | Отрасли экономики: Машиностроение -> Авиастроение Chen Li and Weimin Huang Sea Surface Remote Sensing Using GNSS-Reflectometry. Oil Spill Detection And Wind Field Retrieval 2014 г., 100 стр., мягкий переплет In this book, research for improving sea surface remote sensing using the Global Navigation Satellite System-Reflectometry (GNSS-R) signals is presented. Firstly, a method to enable the simulation of GNSS-R delay Doppler Map (DDM) of an oil slicked sea surfaces under general scenarios is proposed. The DDM of oil slicked sea surface under general... | 31889 тг |
 | Отрасли экономики: Машиностроение -> Авиастроение Efstratios L. Ntantis Capability Expansion of Non-Linear Gas Path Analysis. Gas Turbine Performance Diagnostics 2014 г., 268 стр., мягкий переплет The aim of the research is to explore the applied benefits of Gas Path Analysis (GPA) in Gas Turbine Performance Diagnostics with the main objectives of the implementation of measurement noise and leakage model on GPA analysis. Thereupon, the final outcome will be the investigation of the impact of measurement noise on performance diagnostics, ... | 57217 тг |
 | Отрасли экономики: Машиностроение -> Авиастроение Peter Fuchs Numerical study of icing of horizontal axis wind turbine blade. Numerical Study 2014 г., 136 стр., мягкий переплет A drive for a more sustainable future has lead to the expansion of wind farms in regions of rich wind resources, in particular alpine or low temperature climates. As a result icing of wind turbines has become an increasing issue of concern due to reduced energy production and safety regarding the shedding of ice during operation. The current lack... | 36556 тг |
 | Отрасли экономики: Машиностроение -> Авиастроение Gonzalo Garcia Decentralized Robust Nonlinear Model Predictive Control for UAS. Nonlinear and Robust Control Applied to Aircraft 2014 г., 168 стр., мягкий переплет The nonlinear and unsteady nature of aircraft aerodynamics and limited range of controls and states make the use of linear control theory inadequate. For unmanned aerial systems in particular, control technology must evolve to a point where autonomy is extended to the entire mission flight envelope. This requires advanced controllers that have... | 42533 тг |
 | Отрасли экономики: Машиностроение -> Авиастроение Salah A. H. Saleh and Eshtar Hussain Nasser Analysis Of Environmental Changes In Iraqi Marshes By Remote Sensing. Environmental Studies of Iraqi Marshes Region 2014 г., 100 стр., мягкий переплет The marshes of Mesopotamia at the southern part of Iraq, the largest wetland in the middel east,represent a unique component of our global heritage. The area of marshes fluctuated between 15,000 to 20,000 square kilometers. The marshes cut across three Iraqi southern provinces: Misan,Dhi-Qar and Al-Basrah. The heartland of the marshes comprised... | 31889 тг |
 | Отрасли экономики: Машиностроение -> Авиастроение Johar Daudi Development of a Kriging-based Metamodel for Global Optimization. 2014 г., 104 стр., мягкий переплет Global Optimization is a mathematical tool to find the best possible solution for non linear system being used in different fields of life. Sometimes the cost and complexity associated with the optimization algorithms increases with increasing the complexity of the desired optimization problem. Engineering community is using such Meta Modeling... | 32031 тг |
 | Отрасли экономики: Машиностроение -> Авиастроение Willem Deconinck Design and Application of Discrete Explicit Filters. Large Eddy Simulation of Compressible Turbulent Flows 2014 г., 152 стр., мягкий переплет In the context of Large Eddy Simulation (LES) of turbulent flows, there is a current need to compare and evaluate different proposed subfilter-scale models in order to assess their suitability for various applications. In order to carefully compare subfilter-scale models and compare LES predictions to Direct Numerical Simulation (DNS) results (the... | 25025 тг |
 | Отрасли экономики: Машиностроение -> Авиастроение Alessia Mauta Attitude Control using only Magnetorquers for a Sun-Pointing Mission. Study of a Three-Axis Stabilized Satellite 2014 г., 144 стр., мягкий переплет The interest in adopting magnetic actuators for attitude control, i.e. in using the interaction between the geomagnetic field and the on board magnetorquers, increases as the interest in small satellites rises. In fact magnetic control is a valid choice for missions in which satellites have a low weight and have no sub-degree requirement for... | 24741 тг |
 | Отрасли экономики: Машиностроение -> Авиастроение Ahmed Abdelhady Abdelsamie Abuelella,Magdy Bassily Hanaa and Ramadan Bassiouny Film Cooling Enhancement by Secondary Flow Injection. Film Cooling Over Flat Plate 2014 г., 128 стр., мягкий переплет Chapter one presents an introduction to the importance of gas turbine blade cooling, the concepts of film cooling process, and the different techniques used in the cooling process. Chapter two gives a review of the published literature while the experimental setup and measurement techniques are reported in chapter three. The computational analysis... | 36272 тг |
 | Отрасли экономики: Машиностроение -> Авиастроение Sheeraz Ali,Hira Ali and Sami ud din Scientific Research on Satellite Image Theory. 2014 г., 88 стр., мягкий переплет This Research contribution is about the Image Fusion, Pan-sharpening, Wavelets and filtering with Quality assessment, Satellite images are made by mapping high spatial resolution Pan chromatic images and high spectrally diverse Multi spectral images, the resulting pan sharpened image is misaligned. Our Research focuses on implementing satellite... | 24203 тг |
 | Отрасли экономики: Машиностроение -> Авиастроение Kalifala Donzo Geospatial analysis of the rate and extent of deforestation. In part of Eastern Nimba Nature Reserve, Liberia 2014 г., 76 стр., мягкий переплет Deforestation is a complex phenomenon as there is little agreement about the components and the processes involved in it. In Liberia and most of tropical african countries, there is a lack of reliable and consistent statistics on the rate and extent of forest cover, condition and its changes over time. Africa is suffering from deforestation twice... | 23777 тг |
 | Отрасли экономики: Машиностроение -> Авиастроение Georgios Koutsoumpos TRIDENT II D5: A Silent Weapon From nuclear to conventional strike. 2014 г., 60 стр., мягкий переплет The Germans developed the first ballistic missile, during the WW II. After the end of WW II, scientists began to develop ballistic missiles that could be launched from submarines. These submarines play strategic importance for the USA and the Russia and other nuclear powers, since the start of the Cold War, as they can hide from reconnaissance... | 23208 тг |
 | Отрасли экономики: Машиностроение -> Авиастроение U?ur Kayasal Transfer Alignment for Inertial Navigation Systems. 2014 г., 240 стр., мягкий переплет Transfer alignment is the process of initialization of a guided munition’s inertial navigation system with the aid of the carrier platform’s navigation system. One important problem in transfer alignment is the attitude uncertainty of lever arm between munition’s and carrier’s navigation systems. In order to have a rapid transfer... | 53802 тг |
 | Отрасли экономики: Машиностроение -> Авиастроение Jayanth Krishnamurthi Design and simulation of a control system for helicopter slung loads. 2013 г., 104 стр., мягкий переплет A control design method to address low-speed stability and handling qualities issues of helicopter slung load operations is presented. A simple model was developed using first principle physics with application of basic control techniques to understand the couple dynamics. Subsequently, a non-linear slung load model was developed and integrated... | 32031 тг |
 | Отрасли экономики: Машиностроение -> Авиастроение Bryan Penkal Steps In The Development of a PIC-MCC Model For An Ion Engine. For The Plasma in The Discharge Chamber 2013 г., 136 стр., мягкий переплет The design and development of ion engines is a difficult and expensive process. In order to alleviate these costs and speed ion engine development, it is proposed to further develop a particle-in-cell (PIC), Monte-Carlo collision (MCC) model of an ion engine discharge chamber, which has previously been worked on by the Wright State Ion Engine... | 36556 тг |
 | Отрасли экономики: Машиностроение -> Авиастроение Johanny Perez,Martin Reiser and Klaus Fischer Biofiltration of Waste Gases in Africa and the Caribbean. Legal frame, local suppliers and know-how 2013 г., 188 стр., мягкий переплет Odors and volatile organic compounds (VOCs) are typical products of industrial processes. VOCs may be originated from chemical mechanisms, solvent use, petroleum processing and several other sources, while odors are emitted mainly from livestocks, food processing industries, landfills, and waste water treatment plants. They are not known to cause... | 36008 тг |
 | Отрасли экономики: Машиностроение -> Авиастроение Kamal R. AL-Rawi Monitoring Forest Fires From Space. Neural Network Approach 2013 г., 80 стр., мягкий переплет Forests represent the lung of our planet. Wildfires constitute one of the major problems facing the forest ecosystem in the world. In the last decades number of forest fires has been increased due to the increasing in the human activities and climate change. Fast alarm for forest fires is very crucial issue to prevent their spread. In this book... | 19079 тг |
 | Отрасли экономики: Машиностроение -> Авиастроение Javier Christian Ramirez Perez Aerobic biodegradation kinetics of solid organic wastes. 2013 г., 336 стр., мягкий переплет One of the major goals of NASA’s Advanced Life Support (ALS) is to evaluate the feasibility of using crop plants in Bioregenerative Life Support System (BLSS) for providing food oxygen carbon dioxide removal, water purification and water recycling to support long space missions such as Lunar or Mars base. This work based on all the experience... | 56244 тг |
 | Отрасли экономики: Машиностроение -> Авиастроение Sergey Andreyev and Sharif Guseynov Regularizing algorithms for diagnosing. Applied to gas turbine engines in operation 2013 г., 116 стр., мягкий переплет In this work several approaches of a stable method for construction of the diagnostic matrix for gas turbine engine are being researched, when initial data are given inexactly, and their maximal deviation estimation is known. The essence of the problem is the following: the equations in minor deviations describing the gas turbine engine give us... | 32457 тг |
