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Saeq Issue 09
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Download or read book SAEQ Issue 09 written by and published by SAEQ LTD. This book was released on 2016-09-28 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: Issue 09 July-August-September 2016 The Creation Of Fluid And Gas Mechanics Basis In The Micro-Cracked Channel R.S. Gurbanov, M.A. Mammadova, A.A. Hajiyev There are experimental investigations of the fluids flow in the small-sized channels, the hydraulic resistances results of which are more than the estimated ones according to theoretical formulas and different supposed explanations without the quantitative evolution have been given in the reference. Taking into consideration this situation in the mechanics we were conducted the experiments in special developed unit with different fluids: water, viscous and anomalous oils. The results of the numerous experimental investigations for deter- mining new effect of fluid mechanics in the micro-cracked channels have been given in this work. Firstly the experimental-estimated methodology in the “micro-crack fluid” system has been proposed and realized for the quantita- tive estimation of the hydraulic resistances. This approach allows to conduct hydrodynamic engineering estimations for fluids flow in the fractured-porous medium, in the mechanical engineering, in the lubrication systems of instrument engineering and also for solutions of the sealing problems in different branches of industry and medicine. Multi-Criterial Estimation Of The Level Of Corrosion Damage Of The Gas-Pipeline Areas In The Ambiguous Expert Opinions S.A. Aghammadova The linguistic model has-been developed for the estimation of the corrosion damage level of the gas-pipeline areas in the optimistic and the pessimistic expert opinions of the influencing factors. For solving of the given task generalization of the method of multi-criterial choice of the best alternative in the case of rules of fuzzy productions has been chosen, antecedents and consequents of which have been by fuzzy sets with multi-semi functions of belonging. Wavelet Method For Solving Problems Of Unsteady Fluid Filtration In The Crack-Porous Ring Type Formation O.A. Dyshin Based on the multiple-scale analysis in L^2(R^3) using discrete wavelet transform with separable orthonormal basis we’ve developed a method of sustainable approximate calculation of the classical solution of the initial-boundary value problem of unsteady fluid filtration in the crack-porous ring-type formation. The problem is reduced to solving ill-posed problem of finding the solution of linear polynomial equation given inaccurate data, when the approximate solution constructed by regularization method is stable with respect to error in differential equations ratios and boundary conditions set up, as well as set up right member falseness. Decision Making In The Multi-Criteria Problems Of Alternatives Using The Bayesian Interval Inference Methods R.F. Hajiyeva The Bayesian inference method is used in the decision process of the multi-criteria problems using the strength of information on the product rules. Using these mechanisms the point and interval estimates of the posterior probabilities are built on their prior probabilities, derived from the composite aggregation rules of the alternative description information of the decision-maker preferences defined by a fuzzy expert judgements. These decision logic is applied to the problem of selecting a candidate on the vacant faculty position in university Comparative Analysis Of Trading Systems Performances With Respect To Transaction Cost E.J. Janahmadov The purpose of this paper is to compare and analyze the performance of trading rules applied to the underlying and derivative products. Three different trading market indictors were chosen from the range of trading rules according to their performance relatively to Dow Jones Industrial Average. On the basis of these technical indicators the automated trading systems were developed and then applied to the underlying instrument such Dow Jones Industrial Average. The performances of trading systems and profit/loss indexes were compared and analyzed. The results are compared with “buy-and-hold” strategy and performance of underlying security. The results of the research intend to show the effect of the transactions costs on the performance of trading systems and optimal could be applied to invest into underlying or derivatives of underlying.
Download or read book SAEQ Issue 03 written by and published by SAEQ LTD. This book was released on 2014-06-26 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt: Issue 03 Apr-May-June 2014 The Frictional Interaction In Electrical And Thermal Fields Of Metal Friction Pairs A.Kh. Janahmadov, A.I. Volchenko, E.S. Pirverdiev, D.A. Volchenko, N.A. Volchenko, D.Y. Zhuravlev The article examines the origins and development of the electrical and thermal explosions in the polymer lining subsurface layers, as well as the discharge penetrating through the layers of micro-protrusions. The Development Of Mathematical Models With “Skin-Factor” For The Petroleum Reservoir Filtration Ab.G. Rzaev, S.R. Rasulov, I.A. Abbasova, S.N. Rahimova The paper proposes a modified Dupuis formula, which describes the filtration process based on “skin-factor” of the polluted near oil-well area. The viability of proposed model is provided. The regularities of the reaction-regeneration cycles are established. The Safety Management Based On The Probabilistic Risk Assessment T.R. Jafarzade The probability estimation of potentially dangerous (basis) events is conducted on the basis of the current values of the risk factor given the risk significance of the individual components responsible for the flight safety. The flight is viewed as a random process described by a stochastic differential equation. The author raises the issue of absolute and guaranteed safety. The Mass-Transfer At The Wastewater Countercurrent Extraction Processes Inside Of The Spray Tower And Its Modeling A.A. Gasanov The wastewater treatment technology is developed on the basis of the solvent extraction using a spray extractor. In the paper the optimal process parameters are proposed and the consumption rates for continuous and dispersed phases are justified. The research results of the wastewater treatment produced by the paint and varnish manufacturers from butylglycol, phenilizopropanol, acetic acid and acetylacetone are included in the paper. The mathematical model of process is proposed; the specific area of the contact surface, the distance between the extractor cells, the coefficients of mass-impact and mass-transfer of the phase components are defined; the component concentrations in opposite phases and the aggregate height are calculated. The Deformation And Break Up Of Drops And Bubbles In The Isotropic Turbulent Flows G.I. Kelbaliyev, L.V. Guseynova, S.R. Rasulov, G.Z. Suleymanov The research paper is dedicated to the phenomena of deformation and break up of drops in the isotropic turbulent flow. The phenomena has been analyzed, modeled and compared with the experimental data. As a result of that research, the analytical solution is provided for the given problem, the expressions for estimation of the deformation level and the break up frequency depending on Red and Mo numbers have been obtained.
Download or read book SAEQ Issue 07 written by and published by http://www.saeqltd.com. This book was released on 2016-03-28 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Issue 07 Jan-Feb-Mar 2016 Assessment Of Irregularities-Bursts And Catastrophic Changes In Compressor Units A.M. Pashayev, A.Kh. Janahmadov, N.G. Javadov, M.Y. Javadov The paper assesses the type of irregularities of type bursts and disastrous wear during operation of the tested CU equipment. Using the flicker-noise spectroscopy (FNS), which is used to estimated the parameters of the singular component of the power spectrum of the signal and find significant changes in the dimensionless parameters of unsteadiness providing an indication of the approaching moments of a catastrophic deterioration of the equipment. Mineral Composition And Textural-Structural Peculiarities Of Ore, And Mineral Formation Stage Of The Gedabey Gold-Copper Deposit (Lesser Caucasus) M. Aliyev, G. Huseynov The mineral composition and textural and structural characteristics of ores are studied, also the phases and stages of mineralization, which are an important source of information on the conditions of formation of the deposit, time allocation of gold and its spatial association with certain mineral assemblages and associations. Consideration of these issues can come to an understanding of the factors behind the differences in the scale and extent of gold deposits of various types, as well as to form a mineralogical search features gold-bearing mineralization. Development Of Decision-Making Algorithm On Efficiency Of Operators And Traffic Controllers Of Air Transport Based On Their Psycho-Physiological Conditions And Productivities R.M. Jafarzade, T.R. Jafarzade By processing the data on the human-operator active performance with respect to their psycho-physiological conditions and productivities in the human-machine systems, we developed the algorithm for the possibilities of further execution of their (operator) duties in the incomplete and unclear initial data. Using fuzzy clustering and the interval fuzzy sets of the second type, and the coordinated assessment of expert opinions on the binary relationship of objects from the class with recommendations on the further implementation of their activities, we obtained the individual assessment of the alternative recommendations for each of the tested objects from the set of objects. The calculation for the experimental data is provided. The proposed approach can be used for the adaptive selection of recommendations on the continuation of duties of air operators and air traffic controllers by taking into account the dynamic of changes of their psycho-physiological states and productivities. Management Of Portfolio Of Securities On The Basis Of Minimization Of The Conditional Expected Losses S.M. Javadova On the basis of a method of empirical averages for the general problem of stochastic programming, convergence of the solution of an approximating task to the solution of a problem of conditional minimization of the expected losses when forming an investment portfolio is proved. Numerical calculations on a concrete example of two joint stock companies are received by means of the program of linear programming in MATLAB system.
Download or read book SAEQ Issue 10 written by and published by SAEQ LTD. This book was released on 2016-12-30 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: Issue 10 October-November-December 2016 Assessment Of Material Strength Properties Of One Scale Level Transferred From Test Data At Another Level A.M. Pashayev, A.Kh. Janahmadov, M.Y. Javadov The paper examines the forecast methods of failure process dynamics at one scale level based on parameters defined at another level. The industrial forecast methods were developed suited for engineering practice. The specific scale levels of fracturing are considered on the basis of the dynamic process characteristics and the space-time approach. Space-Time Scale Invariance At Dynamic Fragmentation Of Quasi-Brittle Materials N.G. Javadov, M.I. Aliyev The paper examines the fractured quasi-brittle materials and the scale invariance with respect to time and space variables. It confirms that the large-scale clustering in the ensemble of defects, accompanying the transition from the dispersed to the microscopic resolution, have the signs of phenomena that is characteristic to non-equilibrium critical systems. It demonstrates that with respect to the quasi-brittle materials, the dissipative ability is associated with the scenarios of formation and interaction of the multi-scale collective defect modes in conditions of the specific type of the critical events – the structural scaling transitions. Nano-Tribological Processes At Electric Discharge Of Discrete Ohmic Contacts Of Metal-Polymer Pairs A.Kh. Janahmadov, A.I. Volchenko, E.S. Pirverdiyev The paper examines the nano-tribological processes at the electrical discharge in the discrete ohmic contacts of the metal-polymer pairs of tribosystem. The nature of destructive processes in the polymeric film of pads is explained. Adjusting The Starting Pressure Of Gas Lift Well To The “Switching Lifting Device Of The Reverse Valves System” O.H. Mirzayev The results of starting pressure change by switching injection direction of working agent from circular annulus to the central part in gas lift wells have been given. The valves are placed on the pipe surface in definite depth under liquid column. As a result of investigation it has been determined that the application of the method in the wells with big depth and high liquid column gives an opportunity to reduce starting pressure. Application of the method in complicated exploitation conditions gives effective results. Comparative Analysis Of Trading Systems Performances With Respect To Transaction Cost (Part 2) E.J. Janahmadov The purpose of this paper is to compare and analyze the performance of trading rules applied to the underlying and derivative products. Three different trading market indictors were chosen from the range of trading rules according to their performance relatively to Dow Jones Industrial Average. On the basis of these technical indicators the automated trading systems were developed and then applied to the underlying instrument such Dow Jones Industrial Average. The performances of trading systems and profit/loss indexes were compared and analyzed. The results are compared with “buy-and-hold” strategy and performance of underlying security. The results of the research intend to show the effect of the transactions costs on the performance of trading systems and optimal could be applied to invest into underlying or derivatives of underlying.
Download or read book SAEQ Issue 12 written by and published by Elmar Janahmadov (SAEQ LTD). This book was released on 2017-06-30 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: Issue 12 April-May-June 2017
Book Synopsis Bulletin of the New York Public Library by : New York Public Library
Download or read book Bulletin of the New York Public Library written by New York Public Library and published by . This book was released on 1914 with total page 1014 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes its Report, 1896-19 .
Book Synopsis The Tribes and Castes of the North-western Provinces and Oudh by : William Crooke
Download or read book The Tribes and Castes of the North-western Provinces and Oudh written by William Crooke and published by . This book was released on 1896 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The New Urban Sociology by : Michael T. Ryan
Download or read book The New Urban Sociology written by Michael T. Ryan and published by Routledge. This book was released on 2018-05-04 with total page 411 pages. Available in PDF, EPUB and Kindle. Book excerpt: Widely recognized as a groundbreaking text, The New Urban Sociology is a broad and expert introduction to urban sociology that is both relevant and accessible to the student. A thought leader in the field, the book is organized around an integrated paradigm (the sociospatial perspective) which considers the role played by social factors such as race, class, gender, lifestyle, economics, culture, and politics on the development of metropolitan areas. Emphasizing the importance of space to social life and real estate to urban development, the book integrates social, ecological and political economy perspectives and research through a fresh theoretical approach. With its unique perspective, concise history of urban life, clear summary of urban social theory, and attention to the impact of culture on urban development, this book gives students a cohesive conceptual framework for understanding cities and urban life. In this thoroughly revised 5th edition, authors Mark Gottdiener, Ray Hutchison, and Michael T. Ryan offer expanded discussions of created cultures, gentrification, and urban tourism, and have incorporated the most recent work in the field throughout the text. The New Urban Sociology is a necessity for all courses on the subject.
Book Synopsis Shadows in the Sea by : Harold Weber McCormick
Download or read book Shadows in the Sea written by Harold Weber McCormick and published by . This book was released on 1963 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hands-On Race Car Engineer by : John H Glimmerveen
Download or read book Hands-On Race Car Engineer written by John H Glimmerveen and published by SAE International. This book was released on 2004-03-08 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hands-On Race Car Engineer looks at every part of the process required to make a car better than its competitors. Drivers will gain a better understanding of the dynamics of the vehicle. Race engineers will better understand the practical implications of set-up. Design engineers will gain insight into practical applications of their designs. Mechanics will better understand why engineers design things a certain way. In short, this book will help racing professionals and enthusiasts learn to recognize why they won, or lost a race - key information to continually improving and reaching the winner's circle.
Book Synopsis Potential Failure Mode and Effects Analysis (FMEA) by :
Download or read book Potential Failure Mode and Effects Analysis (FMEA) written by and published by . This book was released on 2008 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Theories of Sexual Offending by : Tony Ward
Download or read book Theories of Sexual Offending written by Tony Ward and published by John Wiley & Sons. This book was released on 2006-02-22 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive text provides an up-to-date review and critique of current theorising about sexual offending. It presents the key ideas underpinning each theory in a clear and accessible manner. Theories are rigorously tested and evaluated, and their merits are examined from both a research and a clinical point of view. Importantly, the emphasis is on providing clear links between theory and practice, and the clinical implications of the different theories and perspectives are explicitly discussed. In addition, a number of new ideas about the aetiology of sexual offending are presented. Theories of Sexual Offending is one of the few books to draw all of the disparate strands of theorising together, and is the only one to clearly link theory to practice. It will be a valuable resource for any professional working with sexual offenders, such as clinical and forensic psychologists, psychiatrists, probation officers and social workers. It will also be of interest to students of forensic and clinical psychology.
Book Synopsis National Construction Safety Team Act by : United States. Congress. House. Committee on Rules
Download or read book National Construction Safety Team Act written by United States. Congress. House. Committee on Rules and published by . This book was released on 2002 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Bulletin written by and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design of Racing and High Performance Engines by : Joseph Harralson
Download or read book Design of Racing and High Performance Engines written by Joseph Harralson and published by SAE International. This book was released on 1995-02-01 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents, in a clear and easy-to-understand manner, the basic principles involved in the design of high performance engines. Editor Joseph Harralson first compiled this collection of papers for an internal combustion engine design course he teaches at the California State University of Sacramento. Topics covered include: engine friction and output; design of high performance cylinder heads; multi-cylinder motorcycle racing engines; valve timing and how it effects performance; computer modeling of valve spring and valve train dynamics; correlation between valve size and engine operating speed; how flow bench testing is used to improve engine performance; and lean combustion. In addition, two papers of historical interest are included, detailing the design and development of the Ford D.O.H.C. competition engine and the coventry climax racing engine.
Book Synopsis Engineering Properties of Steel by : Philip D. Harvey
Download or read book Engineering Properties of Steel written by Philip D. Harvey and published by ASM International(OH). This book was released on 1982 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: Extensive data on properties of more than 425 steels. Includes carbon steels: 1000, 1100, 1200, and 1500 Series; alloy steels: 1300-9000; high-strength steels: carbon and low alloy; stainless steels and heat-resisting alloys; tool steels; and maraging steels. Provides data on chemical composition, mechanical properties, physical properties, fabrication characteristics, machining data and typical uses of steels. The steels are also cross-referenced to U.S. and foreign standards. Book jacket.
Download or read book Ferrari Formula 1 written by Peter Wright and published by David Bull Pub. This book was released on 2003 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
