Yayın tarihi için Maden Mühendisliği Bölümü listeleme
Toplam kayıt 125, listelenen: 21-40
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Bilyalı Değirmenlerde Ölçek Büyütme Üzerine Bir İnceleme
(Fen Bilimleri Enstitüsü, 2014)The aim of this study is to develop a non-complex approach which can be used ball mill scale-up.Although ball mill dimensions can be determined by using Bond s method, size distributions and ball mill-classifier interaction ... -
An Investigation of the Effect of Operating Variables on Separation Performance of Teetered Bed Separator
(Fen Bilimleri Enstitüsü, 2014)The aim of this study is to investigate the effect of operating variables on separation performance of Teetered Bed Separator TBS used in fine coal beneficiation. For this purpose, experimental studies were performed by ... -
An Investigation of the Flotation Behaviour of the Sulphide Gold Ores
(Fen Bilimleri Enstitüsü, 2014)In this thesis, flotation behavior of a refractory gold ore with high sulphide content (S% 5) and production of a flotation concentrate with high gold content were investigated. Pre-concentration of sulphidic gold ores ... -
Basamak Patlatmaları için Tasarım Nomogramlarının Geliştirilmesi
(Fen Bilimleri Enstitüsü, 2015)Mechanical excavation is the most widely used method to remove both overburdenmaterial and ore at surface mining activities. In spite of the direct excavation of thesematerials by heavy duty machines is rarely possible, ... -
Bir Vermikülitin Fiziksel, Kimyasal ve Isıl Özellikleri Üzerine Sülfürik Asit Liçinin Etkileri
(Fen Bilimleri Enstitüsü, 2015)In this study, initially, a commercial vermiculite sample, in natural and heated forms, was identified using different experimental methods and it was found that the natural sample contained dominantly mixed-layer ... -
Altın Yığın Liçi Projesinde Farklı Kırma Boylarının Verimlilik ve Geçirimlilik Performansının İncelenmesi
(Fen Bilimleri Enstitüsü, 2015)Heap Leach is a process which consisted of stacking the ore on the imperable surface and wetting by the solution. It can be applied with crushed ore and run of mine ore which is called dump leaching. In the common leaching ... -
Sağırlar ve Çivili (Bursa-Orhaneli) Kömür Sahaları Kaynak Kestirimi
(Fen Bilimleri Enstitüsü, 2015)The aim of the study is to estimate the resource of Sağırlar and Çivili coal fields which are located in Bursa-Orhaneli. For this purpose, borehole data of the fields, geological map and some technical reports related to ... -
Öğütme Yardımcılarının Çimento Öğütme Devresi Performansı Üzerine Etkilerinin Modellenmesi ve Simülasyonu
(Fen Bilimleri Enstitüsü, 2015)This study aims at, investigating the effects of the commercially available grinding aids on the model parameters of cement ball mill and air classifier running on the grinding circuit.Although sharpness of air classifier ... -
Kömür Dışı Uygulamalarda Kabaran Yataklı Sınıflandırıcıların Performansının İncelenmesi
(Fen Bilimleri Enstitüsü, 2015)Aim of this study was to investigate the classification and concentration characteristic of single density and artificial mixture minerals on a teetered bed separator which is one of the new generation hydraulic classification ... -
Kopulalarla Maden Kaynak Kestirimi
(Fen Bilimleri Enstitüsü, 2015)This thesis basically includes mineral resource estimation for this purpose, kriging is method widely used in mining industry. But kriging has some disadvantages such as non-resistance of variogram to outlier values, ... -
Investigation of Effect of Operational Parameters on Vertical Roller Mills’ Performance
(Fen Bilimleri Enstitüsü, 2015)This research study was aimed to investigate the effect of operational parameters on vertical roller mills’ performance. Test works were held at a mobile ore grinding plant (OGPmobile) which belongs to Loesche GmbH.According ... -
Rock Characterization While Drilling and Application of Roof Bolter Drilling Data for Evaluation of Ground Conditions
(Elsevier, 2015)Despite recent advances in mine health and safety, roof collapse and instabilities are still the leading causes of injury and fatality in underground mining operations. Improving safety and optimum design of ground support ... -
Effects of Sulphuric Acid Dissolution on The Physical And Chemical Properties of A Natural And A Heated Vermiculite
(Berg Fac Technical Univ Kosice, 2015)The effects of high-temperature (90 degrees C) sulphuric acid dissolution on the physical and chemical properties of a commercial vermiculite sample, in natural and heated forms, were investigated using chemical, X-ray ... -
Estimating Specific Energy From The Brittleness Indexes In Cutting Metallic Ores
(Southern African Inst Mining Metallurgy, 2016)Specific energy (SE) is a very useful parameter for assessing rock excavation by machine. Predicting the SE from the brittleness will be practical, especially for preliminary studies, due to the fact that determining the ... -
The Prediction of Penetration Rate For Percussive Drills From Indirect Tests Using Artificial Neural Networks
(Southern African Inst Mining Metallurgy, 2016)Percussive drills are widely used in engineering projects such as mining and construction. The prediction of penetration rates of drills by indirect methods is particularly useful for feasibility studies. In this investigation, ... -
Metaheuristic Kriging: A New Spatial Estimation Method
(Hacettepe University, 2017)Kriging is one of the most widely used spatial estimation method. In kriging estimation, weights assigned to the neighboring data are determined by minimizing the estimation error variance (EEV). Due to the minimization ... -
Examining The Effect Of Adverse Geological Conditions On Jamming Of A Single Shielded Tbm In Uluabat Tunnel Using Numerical Modeling
(CSRME, 2017)Severe shield jamming events have been reported during excavation of Uluabat tunnel through adverse geological conditions, which resulted in several stoppages at advancing a single shielded tunnel boring machine (TBM). To ... -
The Needle Penetration Test for Predicting Coal Strength
(Southern African Inst Mining Metallurgy, 2017)The coal strength parameter is used in operations such as the selection and design of mechanical excavators and coal crushing/grinding equipment. However, coring or cutting prismatic specimens from coal for the standard ... -
Çoklu Bileşenli Havalı Sınıflandırıcı Modelinin Geliştirilmesinde Malzemelerin Yoğunluk Ve Akışkanlık Özelliklerinin İncelenmesi
(Fen Bilimleri Enstitüsü, 2017)In this thesis study, investigating the effects of density and fluidity properties of materials on air classifier performance and increasing reliability of dynamic air classifier model by developing the multi component ... -
Kokoya Altın Cevherinin Değerlendirme Olanaklarının Araştırılması
(Fen Bilimleri Enstitüsü, 2017)In this thesis study which based on to evaluation of effective conditions on cyanide leach of Kokoya gold ore, the optimal production method was identified after investigation of the ore structure. Diagnostic leach tests ...