Güncel Gönderiler: Makine Mühendisliği-Makale Koleksiyonu
Toplam kayıt 149, listelenen: 101-120
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Thermoeconomic analysis of farıne mill in dry type cement production
(Turkish Assoc Thermal Sciences Technology, 2010)Thermoeconomics is the cost analysis based on the cost and exergy calculations which are used to determine the potential of unproductiveness in all of the thermal systems. This approach is also defined as 'exergy cost' and ... -
A new parameter for comparison of flue gas enthalpy values: flue gas petrol equivalence coefficient
(Nova Science Publishers, 2010)In this paper, a new parameter is proposed to comparison of the flue gas enthalpy values of the some common fossil fuels and biomass. The new parameter is called as flue gas petrol equivalence coefficient (FGPEC). Flue gas ... -
Buckling analysis of laminated composite plates with an elliptical/circular cutout using FEM
(Elsevier Sci Ltd, 2010)In this study, a buckling analysis was carried out of a woven-glass-polyester laminated composite plate with an circular/elliptical hole, numerically. In the analysis, finite element method (FEM) was applied to perform ... -
High-speed milling strategies in mould manufacturing
(Carl Hanser Verlag, 2010)High-speed cutting is one of the key issues in mould manufacturing. But to apply high-speed milling to mould manufacturing, unlike conventional milling, it is necessary to define specific cutting parameters. This article ... -
An investigation on weldability of AISI 304 and AISI 1040 steels on friction welding
(Carl Hanser Verlag, 2010)In welding technology, joining processes of different materials, which have dissimilar crystal structures are difficult. Welding of different materials becomes very important to reduce costs. Furthermore, the friction ... -
A novel approach to degree-hour calculation: ındoor and outdoor reference temperature based degree-hour calculation
(Pergamon-Elsevier Science Ltd, 2010)This paper presents a novel approach to temperature probability density distribution and function. Probability density functions and frequency are successfully used in wind speed and solar energy analyses in literature. ... -
Mathematical modeling of heat recovery from a rotary kiln
(Pergamon-Elsevier Science Ltd, 2010)In this study, heat recovery from rotary kiln was examined for a cement plant in Turkey. At first, an exergy analysis was carried out on the operational data of the plant. Results indicated the presence of 217.31 GJ of ... -
FEM analysis of laminated composite plate with rectangular hole and various elastic modulus under transverse loads
(Elsevier Science Inc, 2010)The aim of this work is to predict the expansion of the plastic zone and residual stresses in layers of fiber-reinforced, thermoplastic laminated composite plates with rectangular hole. The effects of the material properties ... -
Energetic and exergetic performance evaluation of the quadruple-effect evaporator unit in tomato paste production
(Pergamon-Elsevier Science Ltd, 2010)Quadruple-effect evaporator units are commonly used in food focus area in sector is evaporative unit. It consumes about 60% of total energy input. The present study evaluates the performance of quadruple-effect evaporator ... -
Finite element analysis of collapse of front side rails with new types of crush initiators
(Korean Assoc Automotive Engineers- KSAE, 2009)Today's vehicles are designed with lighter weight to increase performance and to lower fuel consumption, while at the same time meeting the demands of safety requirements. Reducing the cross-section of structural elements ... -
A study on residual stresses formed on aisi 304 austenitic stainless steels when machined with different cutting parameters
(Gazi Univ, 2009)Changes made in the composition of stainless steels so as to provide the mechanical and chemical properties desired according to the fields of application affect also their machining. All production processes such as heat ... -
Energetic and exergetic assessment of a trass mill process in a cement plant
(Pergamon-Elsevier Science Ltd, 2009)Cement production has become one of the most intensive energy industries in the world. For producing it, addition materials have been widely used in cement factories. The main objective of this study is to assess the ... -
Patterning automation of square mosaics using computer assisted SCARA robot
(Cambridge Univ Press, 2009)Today mosaics are used as decorative elements both indoors and outdoors. Mosaics can be obtained by combining small pieces of stone, glass, wood and glazed tiles together to make some picture and illustration. Mosaic-making ... -
The effect of curing conditions and fiber end shapes on the mechanical properties of composites
(Sage Publications Ltd, 2009)The study consists of two main experimental parts. The aim of the first part of the study is to investigate the effects of the straight-short steel fibers and different curing conditions on the mechanical properties of the ... -
A new approach for simplifying the calculation of flue gas specific heat and specific exergy value depending on fuel composition
(Pergamon-Elsevier Science Ltd, 2009)In this paper, a new approach is proposed for simplifying the calculation of flue gas specific heat and specific exergy value in one formulation depending on fuel chemical composition. Combustion products contain different ... -
Analysis of daily total horizontal solar radiation measurements in Turkey
(Taylor & Francis İnc, 2001)Daily total horizontal solar radiation data measured via pyranometer in 5 DMI (Turkish State Meteorological Service) and 6 EIEI (Electrical Works Reseal ch Directorate) stations existing in 9 cities of Turkey have been ... -
Comparison of total horizontal solar radiation measurements with some existing models for Turkey
(Taylor & Francis Inc, 2002)Three models developed for calculating the monthly average daily total horizontal solar radiation anywhere in Turkey have been comparatively studied with monthly averages of the values measured via pyranometer in 11 stations. ... -
A direct search method for determination of DAEM kinetic parameters from nonisothermal TGA data (note)
(Elsevier Science Inc, 2002)In this study, a simple direct search method to be used for the determination of distributed activation energy model (DAEM) kinetic parameters from the nonisothermal thermogravimetric analysis (TGA) data of coals has been ... -
Performance investigation of hydrogen production from a hybrid wind-PV system
(Pergamon-Elsevier Science Ltd, 2012)In this study, a hybrid system consisted of 10 kW wind and 1 kWp PV array is built to meet the load demand of a raise chucker partridge raising facility by renewable energy sources. The facility has an average energy ... -
Investigation of biogas and hydrogen production from waste water of milk-processing industry in Turkey
(Pergamon-Elsevier Science Ltd, 2012)This study is conducted to determine the potential for producing both biogas and hydrogen from a milk-processing waste water in Turkey. The results of this study indicate that a maximum of 54.2 million m(3)biogas/yr and ...
