GMIT eLibrary
Permanent URI for this communityhttps://gmitlibrary.net/handle/123456789/5
Browse
Item Computational fluid dynamics(McGraw-Hill, 1995) Anderson, John DavidBasic Philosophy of CFD.- 2 Governing Equations of Fluid Dynamics.- 3 Incompressible Inviscid source and vortex panel methods.- 4 Mathematical Properties of the Fluid Dynamic Equations.- 5 Discretization of Partial Differential Equations.- 6 Transformations and Grids.- 7 Explicit Finite Difference Some Selected Applications to Inviscid and Viscous Flows.- 2.- 8 Boundary Layer Equations and Methods of Solution.- 9 Implicit Time-Dependent Methods for Inviscid and Viscous Compressible Flows, With a Discussion of the Concept of Numerical Dissipation.- 10 Introduction to Finite Element Techniques in Computational Fluid Dynamics.- 11 Introduction to Finite Volume Techniques in Computational Fluid Dynamics.Item Internal Combustion Engine Handbook(SAE international, 2004) Richard van Basshuysen; Fred SchaferThorough in its presentation, this essential resource illustrates the latest level of knowledge in engine development, paying particular attention to the presentation of theory and practice in a balanced ratio. Almost 950 pages in length - with 1,250 illustrations and nearly 700 bibliographical references - the Internal Combustion Engine Handbook covers all of this component's complexities, including an insightful look into the internal combustion engine's future viability. An ideal publication for specialists in the automotive, engine, mineral oil, and accessories industries, this book will also prove to be useful for students, patent lawyers, the motor vehicle trade, government offices, journalists, and interested members of the public.Item Microbial Processing of Metal Sulfides(Springer, 2007) Donati Edgado R.; Wolfgang SandThe application of microbiological methods to the extraction of metals from minerals has gained a prominent role. It is supported by several bioleaching and biooxidation processes operating at different sites worldwide. In recent years, new techniques and new results about proteomics and bioinformatics have brought a new perspective on microbial processes. This book focuses on the basic aspects of the process with special emphasis on recent contributions regarding the chemical and microbial aspects of the bioleaching process and the use of microorganisms in the treatment of complex ores and concentrates. It has been written by recognized researchers in order to introduce the main subjects of microbial processing to undergraduate and postgraduate students, scientists working in this field, as well as interested industrialists.Item BASIC ELECTRICAL ENGINEERING(S. CHAND & COMPANY PVT. LTD., 2008) V.K. MEHTA; ROHIT MEHTAEverybody is familiar with the functions that electricity can perform. It can be used for lighting, heating, traction and countless other purposes. The question always arises, “What is electricity” ? Several theories about electricity were developed through experiments and by observation of its behaviour. The only theory that has survived over the years to explain the nature of electricity is the Modern Electron theory of matter. This theory has been the result of research work conducted by scientists like Sir William Crooks, J.J. Thomson, Robert A. Millikan, Sir Earnest Rutherford and Neils Bohr. In this chapter, we shall deal with some basic concepts concerning electricity.Item Handbook of Energy Audits(Taylor & Francis, 2010) Albert Thumann; William J. Younger; Terry NiehusAs a result of changes in the energy marketplace, the role of energy audits has greatly expanded. There is an increasing need in business and industry to more effectively manage energy use. Reducing utility costs is still one of the most effective and achievable strategies for lowering the operating costs. Today, many large energy consumers are contracting with energy service providers to implement energy projects. This arrangement necessitates the establishing of baseline energy usage as well as quantification of savings resulting from project implementation. Accurate and complete energy audits are essential as a means to assess and verify a project’s success at meeting contracted goals. This book is designed to provide you with the fundamental knowledge you need to evaluate how energy is used in commercial facilities, establish accurate baseline information, and identify where energy consumption can be reduced.Item Cost Estimation handbook(The Australasian Institute of Mining and Metallurgy, 2012) Kristy Burt; Claire Lockyer; Kylie McShane; Olivia Tet FongItem Mine Managers' handbook(The Australasian Institute of Mining and Metallurgy, 2012)The Mine Managers' Handbook is a comprehensive volume describing all the important aspects of managing a mining company. It addresses topics such as corporate strategy, leadership, operations management, and world markets for minerals. Written by experts from industry, consulting firms, and academia, it will be of great value to corporate executives, directors of mining companies, students, and to all those wishing to understand the industry. While written primarily for Australian conditions, much of the content applies to the global minerals industry. Chapters include: Overview of mine management, Occupational health and safety, Environment management, Stakeholder relationships, Human resources, Capital investment and project development, Operations management, Finance and administration, Minerals and markets, Strategic planning. Also included is a CD that covers Guidelines for Technical Economic Evaluations of Minerals Industry Projects.Item University Physics with Modern Physics(Pearson, 2012) Young Hugh. D; Freedman Roger A.; Lewis Ford A.Item Energy Storagein Power Systems(Wiley, 2016) Francisco Díaz-González; Andreas Sumper; Oriol Gomis-BellmuntPower systems are complex structures composed of an enormous number of different installations, economic actors, and – in smaller numbers – system operators. In the traditional approach, the system is dominated by economies of scale. This means that for steadily increasing consumption, a large power generation capacity is installed, mainly nuclear, coal- or gas-fired thermal, and hydroelectric.Item Hygienic assessment of surface, ground and drinking water in The Kharaa River Basin(GMIT, 2018) Bolor-Erdene Ochirbold; Prof. Dr. Daniel Karthe; Dr. Ariuntuya, GMITThe Kharaa river basin is ranked in the 5th of 29 river basins in terms of the economic importance and industrial production in Mongolia. However, this river basin has one of the smallest total area basins which is 26th of 29 river basins (1). As several research studies, there have been resulted that the Kharaa River Basin (KRB) is one of the highest populated river basins in Mongolia because of agricultural and industrial activities. Most drinking water source of inhabitants is provided by groundwater which is fed by KRB and livestock is mostly using surface water (2). Until recently, data on the hygienic quality of water resources in the KRB was limited and it was hardly found openly.Item Determination of the preparation condition for the rare earth polymetallic ore of Khalzanburgedei(GMIT, 2018) Munkhbaatar, Orgodol; Battsengel Baatar; Munkhjargal Chimeddorj; Janet KatzmarzykRare earth metals are magic. The rare earth elements play key role in the expected growth of many emerging clean energy technologies. The next generation of wind and hydro power turbines, batteries, motors to power electric vehicles and fuel cells are example application. Moreover, the REE used for health, military defence and advanced communications including drug treatments,diagnostic techniques, MRI and visors protection, aircraft parts and GPS ,space based satellites and communication systems. Therefore, the developed countries are mostly used these elements. However, China are restricting rare earths exports to other countries because they are responsible for 97% global output. Therefore, I have chosen rare earth elements topic due to Mongolia has big number of resources and we could export our raw material to developed countries. We have interest to extract rare earth metals and exporting. Therefore, the rare earth metals study is developing in MongoliaItem The copper oxide heap leaching of Erdenetiin-Ovoo deposit ore: The effect of particle size and residence time for copper recovery(GMIT, 2018) Enkhjin Seded; Bayanmunkh Myagmarsuren; Munkhjargal ChimeddorjThe research continued from 27th of March till 10th of August. Samples were taken from dump of Erdenetiin Ovoo porphyry copper molybdenum deposit located in Orkon aimag of Mongolia that belongs to Achit-Ikht LLC. Achit-Ikht LLC has an operation of low grade ore dumps nowadays, but there is opportunity to increase leaching efficiency by heap leaching.Item FROTH FLOTATION BEHAVIOR OF COKING COAL IN TAVAN TOLGOI DEPOSIT(GMIT, 2018) Chinbayar Majaa; Munkhjargal Chimeddorj; Battsengel BaatarItem Elongation of transfer chute service life on material perception(GMIT, 2018) Temuulen Purevdorj; Gunther C. Stehr; Ariubolor, Purvee; Gurragchaa TumurThis study has looked into wearing mechanism on liners in transfer chute used at Oyu Tolgoi mine. And it searched for ways to reduce wearing rate so that the mining operation could benefit in numerous ways. Wearing takes place dominantly in form of abrasive wear whose base is on micro-cutting mechanism. Worn liner samples made of Hardox 500 mark and a bag of coarse ore were provided for study purpose by the company. For referential purpose, the same intended steel marked as 110Г10Л was requisted and supplied from Erdenet Mine. After analytic analyses, it has been still believed that wearing rate advances as thickness of liners reduce. The conducted hardness test shows hardness gradient, emphasizing wear rate deviation. But microscopic analysis does not show much of evidence that wearing rate could be different over thickness. And heterogeneous wearing rate over liners was noted. The employed steel - (as producers state that martensite - bainitic structured) Hardox 500 for making liners, is known as the best selection for operation under high abrasive conditions.Item Possibility of Alteration of the ore mechanical property for improvement of the transfer chute design problems(GMIT, 2018) Tengisdulguun Tumenjargal; Ariunbolor Purvee; Ariunbold PuntsagThe mining industry has been expanding rapidly in Mongolia for last 2 decades. As a result, many problems are arising which require solutions from Mongolian engineers. Effectiveness and productivity of copper mining industry depend on appropriate actions and processes of various types of devices, techniques and machineries, which are used at mining sites. One of these important devices is a transfer chute.Item ARSENIC MONITORING IN NALAIKH’S SURFACE WATERS PARTICULAR “BUS NUUR” LAKE(GMIT, 2018) Sainsanaa Amarsanaa; Martin Knippertz; Daniel Karthe; Ariuntuya TserendorjNalaikh is located in Ulaanbaatar, Mongolia, known for illegal mining activity. Earlier investigations concerned mining land disturbance and pointed on air, soil and importantly water. Which revealed in unexpected arsenic, which is a highly toxic element, exposure in the Bus Lake. The research is aimed to find seasonal and weather changes of the Bus Lake characteristics and indicating level of toxicity.Item Development of selected routines (procedures) in the CAM post-processing for CNC Vertical Machining Centers(GMIT, 2018) Tuguldur Tulga; Gunther C. Stehr; Batbayar ErdeneeCAD/CAM software are used for modelling and simulating. However, they are not enough for the CNC machines to manufacture a product. Here, the post-processing plays an important role customizing the CAD/CAM codes and making them understandable for the machine. It doesn‘t matter whether the CNC machine is modern or expensive, each machines need postprocessing to ensure the codes are optimum for the machines to operate at its finest.Item Coking of Coal: Perspectives for Mongolia(GMIT, 2018) Munkhtsetseg Amarjargal; Peter Vossen; Manfred J. HampeMongolia is rich in coal, copper, rare earth, and gold ores. In the past 20 years, the Mongolian economy strongly relayed on the mining sectors. The mining industry contributed around onequarter to Mongolia’s gross domestic product in 2014. Unfortunately, this number is only a result of the export of the minerals as raw materials. No mining company produces the final product from an ore deposit in Mongolia. On the one hand it is a pity that Mongolia earns less income than what would be possible, but on the other hand, there is a free market waiting for companies to develop the mineral processing sector.Item Transfer Chute Design Modification Using Discrete Element Method(GMIT, 2018) Sukhbat Altangerel; Ariunbolor Purvee; Odbileg Norovrenchin; Gurragchaa TumurThis bachelor work is aimed to modify currently operating transfer chute design with the help of bulk material simulation. The use of Discrete Element Method (DEM) allows the engineers to design and/or optimize bulk material handling facilities with the great precision.Item parameters for cyanidation on sulfidic gold rich ore from Olon-Ovoot mine(2018) Enerel LkhagvadorjThe purpose of the research is to optimize parameters for cyanidation on sulfidic gold rich ore from Olon-Ovoot mine. Characteristic of ore has changed due to depth displacement. Therefore processing plant parameters had to be updated. Ore samples were grinded to 65%, 75% and 80% of -74μ and leached in 200ppm and 250ppm sodium cyanide solution which are the most suitable concentration range for sulfidic ore. As a result of the experiment, leaching 80% of -74μ ore in 250ppm NaCN solution for 32 hours was the optimal parameters for highest gold recovery which is 92.1%.