osama mohammed khayal (244 Ergebnisse)

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Taschenbuch. Zustand: Neu. Neuware -A FORTRAN program has been developed. New numerical results are generated for in ¿ plane compressive biaxial buckling which serve to quantify the effects of lamination scheme on buckling loading. The results indicate that the symmetric laminate is stiffer than the anti ¿ symmetric one. This phenomenon is caused by coupling between bending and stretching which lowers the buckling loads of symmetric laminate. The aim of the present textbook was to review the importance of studying buckling of composite laminated rectangular plates from the point of view of introduction and basic definitions, the formulation of mathematical modelling of rectangular laminates, the numerical method for predicting the buckling loads and shape modes of buckling of laminated rectangular plates, studying the effect of lamination scheme on buckling loads, and finally the important results and findings of the present study.Books on Demand GmbH, Überseering 33, 22297 Hamburg 68 pp. Englisch.

Taschenbuch. Zustand: Neu. Neuware -Rickshaws are seen as unstable and liable to cause accidents due a bump in the road, or overly rapid speeds caused by the drivers. Also, the lack of doors means that the occupants could be thrown onto the road, with the potential for serious injury, even at low speed.Generally, the two stroke gasoline engine driven vehicles are major source of air pollution by their thick smoky emissions. Two immediate simple solution proposals which include use of correct mixture of lubricant oil to fuel and regular vehicle preventive and corrective maintenance will improve air quality and increase the operation life of the vehicles.A Bajaj rickshaw vehicle was tested under variable loads and five different oil-fuel mixture ratios ranging between 2% and 12.5%. Three readings of each experiment were taken and average values were extracted.It was found that oil-fuel mixture ratios which lie between 2% and 5% are the most suitable ratios that could be used. These ratios are recommended to be used because they give the vehicle's engine higher acceleration, longer operation period life, diverge the overhaul maintenance period intervals, and that they cause less impact to the surrounding environment.Books on Demand GmbH, Überseering 33, 22297 Hamburg 88 pp. Englisch.

Taschenbuch. Zustand: Neu. Neuware -New numerical results are generated for compressive biaxial buckling which serve to quantify the effect of boundary conditions on buckling loading. It is observed that, for all cases the buckling load increases with the mode number but at different rates depending on whether the plate is simply supported, clamped or clamped ¿ simply supported. The buckling load is a minimum when the plate is simply supported and a maximum when the plate is clamped. Because of the rigidity of clamped boundary condition, the buckling load is higher than in simply supported boundary condition. It is also observed that as the mode number increases, the plate needs additional support. The aim of the present textbook was to review the importance of studying buckling of composite laminated rectangular plates from the point of view of introduction and basic definitions, the formulation of mathematical modelling of rectangular laminates, the numerical method for predicting the buckling loads and shape modes of buckling of laminated rectangular plates, studying the effect of boundary conditions on buckling loads, and finally the important results and findings of the present study.Books on Demand GmbH, Überseering 33, 22297 Hamburg 60 pp. Englisch.

Taschenbuch. Zustand: Neu. Neuware -The buckling loads have been determined for two modulus ratios 40 and 5. It is observed that, the buckling loads are completely the same for the given first three modes. Therefore, it can be concluded that the buckling load of laminated plates will remain the same even if the lamination order is reversed. The reason behind this is that the transformed elastic coefficients,[C_ij ] are equal for both lamination schemes. The aim of the present textbook was to review the importance of studying buckling of composite laminated rectangular plates from the point of view of introduction and basic definitions, the formulation of mathematical modelling of rectangular laminates, the numerical method for predicting the buckling loads and shape modes of buckling of laminated rectangular plates, studying the effect of reversing lamination scheme of layers on buckling loads, and finally the important results and findings of the present study.Books on Demand GmbH, Überseering 33, 22297 Hamburg 68 pp. Englisch.

Zustand: New.

Zustand: New.

Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Document from the year 2022 in the subject Leadership and Human Resources - Leadership, Nile Valley University (Faculty of Engineering and Technology), language: English, abstract: The textbook presents a brief outline of human resource management. The study has been taken from the point of view of introduction, history, practice, and essential features in personnel management. Personnel management also known as human resource management (HRM) is the strategic and coherent approach to the management of an organization's most valued assets are the people working there whom individually and collectively contribute to the achievement of the objectives of the business. The terms 'human resource management' and 'human resources' (HR) have largely replaced the term 'personnel management' as a description of the processes involved in managing people in organizations. In simple sense, HRM means employing people, developing their resources, utilizing, maintaining and compensating their services in tune with the job and organizational requirement.Personnel management is defined as an administrative specialization that focuses on hiring and developing employees to become more valuable to the company. It is sometimes considered a sub-category of human resources that only focuses on administration. The overall purpose of human resources (HR) is to ensure that the organization is able to achieve success through people. HR professionals manage the human capital of an organization and focus on implementing policies and processes. They can specialize in finding, recruiting, selecting, training, and developing employees, as well as maintaining employee relations or benefits. Training and development professionals ensure that employees are trained and have continuous development. This is done through training programs, performance evaluations, and reward programs. Employee relations deals with the concerns of employees when policies are broken, such as cases involving harassment or discrimination. Managing employee benefits includes developing compensation structures, parental leave programs, discounts, and other benefits for employees. On the other side of the field are HR generalists or business partners. These HR professionals could work in all areas or be labor relations representatives working with unionized employees.

Taschenbuch. Zustand: Neu. Neuware -Document from the year 2022 in the subject Leadership and Human Resources - Leadership, Nile Valley University (Faculty of Engineering and Technology), language: English, abstract: The textbook presents a brief outline of human resource management. The study has been taken from the point of view of introduction, history, practice, and essential features in personnel management. Personnel management also known as human resource management (HRM) is the strategic and coherent approach to the management of an organization's most valued assets are the people working there whom individually and collectively contribute to the achievement of the objectives of the business. The terms 'human resource management' and 'human resources' (HR) have largely replaced the term 'personnel management' as a description of the processes involved in managing people in organizations. In simple sense, HRM means employing people, developing their resources, utilizing, maintaining and compensating their services in tune with the job and organizational requirement.Personnel management is defined as an administrative specialization that focuses on hiring and developing employees to become more valuable to the company. It is sometimes considered a sub-category of human resources that only focuses on administration. The overall purpose of human resources (HR) is to ensure that the organization is able to achieve success through people. HR professionals manage the human capital of an organization and focus on implementing policies and processes. They can specialize in finding, recruiting, selecting, training, and developing employees, as well as maintaining employee relations or benefits. Training and development professionals ensure that employees are trained and have continuous development. This is done through training programs, performance evaluations, and reward programs. Employee relations deals with the concerns of employees when policies are broken, such as cases involving harassment or discrimination. Managing employee benefits includes developing compensation structures, parental leave programs, discounts, and other benefits for employees. On the other side of the field are HR generalists or business partners. These HR professionals could work in all areas or be labor relations representatives working with unionized employees. 52 pp. Englisch.

Taschenbuch. Zustand: Neu. Neuware -Document from the year 2022 in the subject Engineering - Mechanical Engineering, Nile Valley University (Faculty of Engineering), language: English, abstract: The present text book comprises four chapters. Chapter one in this book includes an introduction to composite materials. The different topics in this chapter are discussed from the viewpoints of general introduction; historical background; composite materials; products of composite materials; overview of composite materials; cores in composites; and semi crystalline polymers.In chapter two, manufacturing and fabrication of composites is presented and discussed thoroughly from the consideration of methods of fabrication; overview of mold; other fabrication methods; and tooling.Chapter three deliberates the elastic properties of composites from the considerations of introduction; structure of composites; mechanical properties of a fiber reinforced lamina which includes stiffness and strength of a lamina, and analytical modeling of composite laminates.In chapter four, the most important findings and conclusions are presented and discussed. The textbook is suitable as a textbook for a first course as an introduction to fibrous composite laminated structures from the consideration of their elastic properties and fabrication. It can be used as a reference by engineers and scientists working in industry and academic institutions. 56 pp. Englisch.

Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Document from the year 2022 in the subject Engineering - Mechanical Engineering, Nile Valley University (Faculty of Engineering), language: English, abstract: The present text book comprises four chapters. Chapter one in this book includes an introduction to composite materials. The different topics in this chapter are discussed from the viewpoints of general introduction; historical background; composite materials; products of composite materials; overview of composite materials; cores in composites; and semi crystalline polymers.In chapter two, manufacturing and fabrication of composites is presented and discussed thoroughly from the consideration of methods of fabrication; overview of mold; other fabrication methods; and tooling.Chapter three deliberates the elastic properties of composites from the considerations of introduction; structure of composites; mechanical properties of a fiber reinforced lamina which includes stiffness and strength of a lamina, and analytical modeling of composite laminates.In chapter four, the most important findings and conclusions are presented and discussed. The textbook is suitable as a textbook for a first course as an introduction to fibrous composite laminated structures from the consideration of their elastic properties and fabrication. It can be used as a reference by engineers and scientists working in industry and academic institutions.

Zustand: New.

Taschenbuch. Zustand: Neu. Properties of Fibrous Composite Structures. Elastic Properties and Manufacturing of Composite Laminates | Osama Mohammed Elmardi Suleiman Khayal | Taschenbuch | Englisch | 2022 | GRIN Verlag | EAN 9783346764850 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu.

Taschenbuch. Zustand: Neu. Human Resource Management. History, Practices and Personnel Management | Osama Mohammed Elmardi Suleiman Khayal | Taschenbuch | Englisch | 2022 | GRIN Verlag | EAN 9783346749932 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu.

Taschenbuch. Zustand: Neu. Neuware -Chapter one includes introduction to engineering economics which constitute general introduction, value analysis, linear programming, interest and money time relationships, examples of present, future, and annual analysis, depreciation and valuation, capital budgeting, minimum cost formulas, private and public economic studies. In chapter two cash flow concepts were introduced and discussed thoroughly. This chapter includes time value of money, cash flow diagrams, notations, and calculation of interest. Chapters three discusses interest factors and the importance of studying compound amount factor, present worth of money, interest periods, series payments, and other interest calculation concepts. Chapter four introduces and discusses comparison of alternatives from the following considerations: discount rate, present worth method, annual cost, and rate of return.Chapter five handles the benefit cost analysis from the viewpoint of identification of relevant benefits and costs, measurement of benefits and costs, selection of best alternative, and treatment of uncertainty. Chapter six is the conclusions of this textbook which summarizes the important points in engineering economics.Books on Demand GmbH, Überseering 33, 22297 Hamburg 64 pp. Englisch.

Taschenbuch. Zustand: Neu. Neuware -The aim of the present textbook was to review the importance of solid mechanics from the point of view of general definitions of fracture, fracture mechanics and the energy balance approach, the stress intensity approach, the concept of fatigue and propagation of cracks, and finally the important findings of this study. Chapter one constitutes general introduction to mechanics of solids and fracture mechanics. This chapter includes response models of solids, definition of fracture, failure of structures, creep rupture, and historical review. In chapter two fracture mechanics and the energy balance Approach were introduced and discussed thoroughly from the consideration of a brief introduction and compliance calibration. Chapters three discusses the stress intensity approach from the viewpoint of introduction, the effect of specimen geometry, the grain size and temperature. Chapter four discusses fatigue which includes a brief introduction to fatigue, S-N curves, effect of mean load, Miner¿s law for cumulative damage, and crack growth rates. The conclusions which is the last chapter summarizes the important points and findings which were reached in this textbook.Books on Demand GmbH, Überseering 33, 22297 Hamburg 76 pp. Englisch.

Taschenbuch. Zustand: Neu. Neuware -The aim of the present research study was to review the utilization of biogas renewable energy in agricultural biogas plants, how the liquid and solid wastes should be treated, and the usage of biogas energy in industrial and landfill gas recovery plants, and the advantages and the limitations of biogas technologies. Chapter one includes general introduction to biogas energy technologies; agricultural biogas plants from the points of view of family scale biogas plants, farm scale biogas plants, and centralized co-digestion plants. In chapter two waste water and solid treatment plants were introduced and discussed thoroughly. Chapters three and four discuss respectively the importance of industrial biogas plants, and landfill gas recovery plants. Chapter five introduces and discusses the advantages and limitations of biogas technologies from the following considerations: the history of biogas production, advantages of biogas technology, and limitations of biogas technology. Chapter six is the conclusions which is the last chapter of this research study and summarizes the important points in this textbook.Books on Demand GmbH, Überseering 33, 22297 Hamburg 72 pp. Englisch.

Taschenbuch. Zustand: Neu. Neuware -New numerical results are generated for compressive biaxial buckling. The first mode of buckling loads was considered. It is observed that the buckling load increases continuously with increasing aspect ratio but the rate of increase is not uniform. This may be due to the effect of bending - extensional twisting stiffness which increases the critical load. The buckling load is maximum for clamped - clamped, clamped -simply supported while minimum for simply- simply supported boundary conditions. This means that as the plate becomes more restrained, its resistance to buckling increases. The reason is that the structural stiffness reduces due to partially or totally restrained end supports.The aim of the present textbook was to review the importance of studying buckling of composite laminated rectangular plates from the point of view of introduction and basic definitions, the formulation of mathematical modelling of rectangular laminates, the numerical method for predicting the buckling loads and shape modes of buckling of laminated rectangular plates, studying the effect of aspect ratio, and finally the important results and findings of the present study.Books on Demand GmbH, Überseering 33, 22297 Hamburg 56 pp. Englisch.

Taschenbuch. Zustand: Neu. Neuware -Engineering is the profession in which knowledge of the mathematical and natural sciences gained by study, experience, and practice is applied with judgement to develop ways to utilize, economically, the materials and forces of nature for the benefit of mankind.Mechanical engineering is one of the most diverse and versatile engineering fields. Mechanical engineering is the study of objects and systems in motion and static states. As such, the field of mechanical engineering touches virtually every aspect of modern life, including the human body which is a highly complex machine.The role of a mechanical engineer is to take a product from an idea to the marketplace. To accomplish this, the mechanical engineer must be able to determine the forces and thermal environment that a product, its parts, or its subsystems will encounter; design them for functionality, aesthetics, and durability; and determine the best manufacturing approach that will ensure operation without failure.Books on Demand GmbH, Überseering 33, 22297 Hamburg 76 pp. Englisch.

Taschenbuch. Zustand: Neu. Neuware -Chapter one in this book includes introduction to air conditioning systems. The different topics in this chapter are discussed from the viewpoints of general introduction, history of air conditioning systems and the development of air conditioners.In chapter two the main types of air conditioners are presented and discussed thoroughly from the considerations of mini - split and multi - split systems, central plant cooling, portable units, window unit and packaged terminal, packaged air conditioner, and vapor - compression refrigeration. Chapter three deliberates the health, environmental impacts and economics of air conditioners from the considerations of health effects, environmental impacts and economic effects. In chapter four other techniques and passive ventilation are deliberated from different viewpoints which include other techniques, passive ventilation, passive cooling, ceiling fan, thermal buffering and evaporative coolers. The book is suitable as a textbook for a first course on introduction and historical background on mechanical engineering. It can be used as a reference by engineers and scientists working in industry and academic institutions.Books on Demand GmbH, Überseering 33, 22297 Hamburg 68 pp. Englisch.

Taschenbuch. Zustand: Neu. Neuware -Chapter one constitutes a brief introduction and literature review of the grand Ethiopian renaissance dam (GERD) from the view point of general introduction, historical background, cost and financing of this great project. In chapter two design of grand Ethiopia renaissance dam was introduced and discussed thoroughly from the consideration of introduction, two dams, three spillways, power generation and distribution, early power generation, siltation and evaporation, construction, benefits, and environmental and social impacts. Chapters three discusses renewable energy in Ethiopia. The study has been taken from the point of view of electricity supply, hydropower, wind power, solar power, geothermal power, biofuels, and exports.Chapters four discusses dams and reservoirs in Ethiopia from the considerations of introduction, issues, financial costs, delays and technical challenges, resettlement, siltation, droughts, transboundary impacts, and Governance.Books on Demand GmbH, Überseering 33, 22297 Hamburg 68 pp. Englisch.

Taschenbuch. Zustand: Neu. Neuware -The qualifying of the Technician needs several capabilities such as establishing laboratories and specialized workshops, preparation and qualifying of instructors and trainers; and updating and review of the curricula in accordance with the needs of the labor market and development.Chapter one includes introduction to technical and vocational education in Sudan, which constitute general introduction, study on vocational training system development in the Republic of Sudan, development potentials of vocational training system, issues facing the SCVTA and VTCs, framework of planning, proposal for an immediate project, important given conditions for a better vocational training system, and pilot activities. In chapter two historical background of technical education in Sudan was introduced and discussed thoroughly. Chapters three discusses current situation of technical education from the viewpoints of the national project of establishing ideal technical colleges, the technical colleges, and challenges facing technical education. Chapter four is the conclusions which summarizes the important points in technical education in Sudan.Books on Demand GmbH, Überseering 33, 22297 Hamburg 64 pp. Englisch.

Zustand: New.