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Evaluation of Statistical Modeling Techniques in the Investigation of the Dimensions of Machined Components
Dimension measurement statistical modeling beta distribution function
2009/10/15
In this study, an investigation was conducted to find the behavior of the variation of the dimensions of machined workpieces collected for quality control purposes and to propose statistical distribut...
Investigation of Diatomite Properties from Ankara-Kızılcahamam and Çankırı-Çerkeş Regions
Diatomite Diatomaceous earth Amorphous Pozzolan
2009/10/14
The physical properties, chemical and mineralogical compositions and microscopic structures of diatomites collected from Ankara-Kzlcahamam and C ankr-C erkes regions were examined in this study...
Computational Investigation of Unsteady Internal Flow in Solid Propellant Rockets
Solid Propellant Rockets Unsteady Compressible Flows
2009/10/14
Unsteady flow in a semi-closed axisymmetric cylindrical channel with steady sidewall mass injection that simulates a model of a solid propellant rocket combustion chamber is studied computationally. P...
An Investigation on the Damping Characteristic of Polymer Concrete With Polyester Resin
Polymer concrete polyester resin damping
2009/10/14
In this study, the usability of polymer concrete in the manuacture of machine tool beds was investigated with respect to its damping characteristic. Samples which consisted of the same polyester resin...
Investigation of the Mass Transfer Parameters of Caffeine Extraction in a Packed Column
Caeine Mass Transfer Liquid Extraction Packed Column
2009/10/14
In this study, the mass transfer parameters were investigated in the liquid extraction process, which is the main step of producing ca eine from tea residue, in a packed brosilicate glass column, 5.86...
INVESTIGATION INTO THE EFFECT OF DIFFERENT FUELS ON IGNITION DELAY OF M-TYPE DIESEL COMBUSTION PROCESS
ignition delay case study M-type
2009/10/14
An ignition delay is a very complex process which depends on a great number of parameters. In practice, definition of the ignition delay is based on the use of correlation expressions. However, the co...
Investigation of Extraction of Lactic Acid With Alamine -336 Using Different Diluting Solvents
Extraction Lactic Acid Alamine-336 Loading Factor
2009/10/14
The aim of this study was to investigate the e ect of acid and Alamine-336 concentrations, solvent types and mixing patterns on the extraction eciency of lactic acid from aqueous solutions with Alami...
INVESTIGATION STUDY FOR TECHNOLOGICAL APPLICATION OF ALTERNATIVE METHODS FOR THE ENERGY EXPLOITATION OF BIOMASS-AGRICULTURAL RESIDUES IN NORTHERN GREECE
biomass biomass residues thermal treatment
2009/10/14
Biomass energy potential is addressed to be the most promising among the renewable energy sources, due to its spread and availability worldwide. Apart form that, biomass has the unique advantage among...
Investigation of the Friction Coefficient in Smooth Open Channel Flows
Open channel energy loss friction factor
2009/10/14
In practical engineering, the friction coecient formulations developed for circular pipes are usually assumed to be valid for open channels and used in derivation of mathematical formulation. However...
Investigation of Surface Roughness of Austenitic Manganese Steel in Hot Machining
Hot machining surface roughness austenitic manganese steel
2009/10/14
In this study, surface roughness of austenitic manganese steel was investigated in hot machining by
heating with a liquid petroleum gas flame in a lathe machine. First, the value of surface roughness...
NUMERICAL INVESTIGATION OF FLUID FLOW AND HEAT TRANSFER CHARACTERISTICS IN SINE, TRIANGULAR AND ARC SHAPED CHANNELS
numerical solution fluid flow heat transfer
2009/10/14
Time dependent Navier-Stokes and energy equations have been solved to investigate the fluid flow and heat transfer characteristics in wavy channels. Three different types of two dimensional wavy geome...
DEVELOPMENT AND INVESTIGATION OF SOLAR COLLECTORS FOR CONVERSION OF SOLAR RADIATION INTO HEAT AND/OR ELECTRICITY
energy source solar energy concentrator hybrid solar collector
2009/10/13
This article describes work on two projects NPEE 709300036 and NPEE 271003 titled "The model of solar collector for middle temperature conversion of solar radiation in heat" and "Development and inves...
Experimental Investigation of Vegetable Oil Usage as Alternative Fuel in Diesel Engines
Alternative fuels Vegetable oils Vegetable oil methyl ester Biodiesel Engine performance
2009/10/13
In this experimental study, the e ect of the usage of vegetable oils, as alternative fuels, on engine performance and exhaust emissions in a single cylinder diesel engine were investigated. No 2-D die...
Investigation of the Friction Behavior of the Zinc-Aluminum Based Commercial ZA-27 Journal Bearing
Zinc-aluminum alloy plain bearing friction lubrication
2009/10/13
The zinc-aluminum based ZA-27 alloy was produced by permanent mould casting. Using this alloy and bronze obtained from commercial sources, thin wall journal bearings were manufactured by machining. Th...
EXPERIMENTAL INVESTIGATION OF TURBULENT STRUCTURES OF FLOW AROUND A SPHERE
sphere turbulence flow visualisation
2009/10/13
This paper presents the experimental investigation of turbulent structures of flow around a sphere. The mean velocity field and the turbulence quantities are obtained in a small low speed wind tunnel ...