Güncel Gönderiler: Makine Mühendisliği-Makale Koleksiyonu
Toplam kayıt 149, listelenen: 81-100
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Digital fabrication of mathematical models via low-cost 3d fdm desktop printer
(Polısh Acad Sciences Inst Physics, 2015)Additive manufacturing technology is developed throughout the 1980's and 1990's. This technology makes the realization of mathematical models much easier. The challenge focused is here to fabricate real objects from very ... -
Fault diagnosis of a vapor compression refrigeration system with hermetic reciprocating compressor based on p-h diagram
(Elsevier Sci Ltd, 2014)The aim of this study is to show how to use the p-h diagram successfully for diagnosing faults in the vapor compression refrigeration cycle. This new approach is able to remove the gap between the information required to ... -
Turkish sugar production potential and use of waste of sugar beet as energy source
(Taylor & Francis Ltd, 2004)Biomass energy is the most renewable energy resource in the world. Biomass energy is derived from plant and animal material, such as wood from forests, residues from agricultural and forestry processes, and industrial, ... -
Fuel analyses and thermochemical processing of olive residues
(Taylor & Francis Ltd, 2004)In this study, fuel properties, such as proximate analysis, ultimate analysis, higher heating value, and ash composition of three olive residues from olive oil plants (olive cake, olive kernel shell and olive kernel), were ... -
Open hole compressive strength and damage mechanisms: maximum stress versus Hashin criteria
(Maney Publishing, 2015)The open hole compressive strength and damage mechanisms of various T800/924C carbon fiber reinforced plastic laminates were estimated by a three-dimensional progressive damage model (PDM). The emphasis was put on the ... -
Automated cutting tool selection and cutting tool sequence optimisation for rotational parts
(Pergamon-Elsevier Science Ltd, 2004)The aim of this work is to define computer-aided optimum operation and tool sequences that are to be used in Generative Process Planning System developed for rotational parts. The software developed for this purpose has a ... -
Computer-assisted robotic tiling of mosaics
(Cambridge Univ Press, 2004)This paper describes the development of a system that is capable of tiling Mosaics using a robot according to requirements of the individual customer. The art of mosaic, in one form or another. has been practiced manually ... -
Application of cohesive zone elements in damage analysis of composites: strength prediction of a single-bolted joint in cfrp laminates
(Pergamon-Elsevier Science Ltd, 2014)Cohesive zone elements are implemented in 3-D finite element models in order to develop a strength prediction method for single-bolted joints in CFRP composite laminates. The motivation for using the CZEs is to avoid ... -
Observations, data analysis and modelling studies on air pollution in Turkey
(Computational Mechanics Publications Ltd, 1998)In this study, some of the work that was carried out in Turkey on air pollution is assessed. First of all, legal arrangements made on air pollution and control of air pollution are reviewed. The observations made on air ... -
Investigation of some renewable energy and exergy parameters for two geothermal district heating systems
(Inderscience Enterprises Ltd, 2011)In this study, three new exergy parameters, namely total exergy destruction ratio, component exergy destruction ratio and dimensionless exergy destruction are introduced in addition to energetic renewability ratio, exergetic ... -
Impact assessment of CO2 emissions caused by exergy losses in the cement sector
(Inderscience Enterprises Ltd, 2011)In this study, global effects caused by exergetic inefficiency are examined for rotary kiln of the cement plant. For this purpose, a rotary kiln process of a cement plant in Turkey is modelled, and the annual operation ... -
Estimation of monthly solar radiation distribution for solar energy system analysis
(Pergamon-Elsevier Science Ltd, 2011)The concept of probability density frequency, which is successfully used for analyses of wind speed and outdoor temperature distributions, is now modified and proposed for estimating solar radiation distributions for design ... -
Experimental thermal performance of a solar source heat-pump system for residential heating in cold climate region
(Pergamon-Elsevier Science Ltd, 2011)Solar source heat pump systems present tremendous environmental benefits when compared to the conventional systems for residential applications. In addition to not exhausting natural resources, their main advantage is, in ... -
A new approach for predicting cooling degree-hours and energy requirements in buildings
(Pergamon-Elsevier Science Ltd, 2011)This study develops a novel approach to predict the outdoor temperature fluctuations during daytime as a dimensionless temperature variation coefficient. In this approach, the daily outdoor temperature trend is established ... -
Energy analysis of hydrogen production using biogas-based electricity
(Pergamon-Elsevier Science Ltd, 2011)In this study, we perform energy analyses of hydrogen production with biogas-based electricity. In this study, a factory generating its own electricity from biogas obtained from wastewater treatment plant is considered for ... -
Hydrogen production probability distributions for a PV-electrolyser system
(Pergamon-Elsevier Science Ltd, 2011)In this study, we comprehensively analyze the probability distribution of the hydrogen production for PV assisted PEM electrolyser system. A case study is conducted using the experimental data taken from a recently installed ... -
Stress intensity anlaysis of biaxial stressed single elliptical hole in plate according to change of hole inclination and geometry
(Gazi Üniv, 2011)Discontinuities such as the holes in a finite plate under loading while the more stress concentrations around holes causes. Applied to the edges of plate and the different rates the principal stresses (sigma(1)/sigma(2)) ... -
An adaptive neuro-fuzzy inference system model for predicting the performance of a refrigeration system with a cooling tower
(Pergamon-Elsevier Science Ltd, 2011)This paper investigates the applicability of adaptive neuro-fuzzy inference system (ANFIS) to predict the performance of an R134a vapor-compression refrigeration system using a cooling tower for heat rejection. For this ... -
Energy analysis of different types of buildings in Gonen geothermal district heating system
(Pergamon-Elsevier Science Ltd, 2011)Turkey is one of the top five countries for geothermal direct applications. However, in the space heating applications, a considerable amount of geothermal energy is wasted through the low thermal quality building envelopes. ... -
Modified exergoeconomic modeling of geothermal power plants
(Pergamon-Elsevier Science Ltd, 2011)In this study, a modified exergoeconomic model is proposed for geothermal power plants using exergy and cost accounting analyses, and a case study is in this regard presented for the Tuzla geothermal power plant system ...
