Browsing Mühendislik Fakültesi by Issue Date
Now showing items 1-20 of 975
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Coupled longshore and cross-shore models for beach nourishment evolution at laboratory scale
(ASCE Library, 2008)A series of three-dimensional laboratory experiments on beach nourishment behavior are described and analyzed. The experiments were designed to isolate the influences of berm height, beachfill median grain size, wave height, ... -
Investigation of beaches suitable for nourishment in Rize Province, Turkey
(Middle East Technical University, 2009)Black Sea Coast Motorway was recently built along the shore (about 600 km), and a number of beaches were destroyed. Now there are a couple of short beaches in Eastern Black Sea region. People need new beaches. On the other ... -
The effect of daylight saving time options on electricity consumption of Turkey
(Elsevier Ltd, 2010)Most of the developed countries in the world use Daylight Saving Time (DST) as an energy conservation method. This study focuses on the effects of DST on electrical lighting in the buildings in Turkey. Turkey might adjust ... -
A novel fish-drying technique for better environment, quality and sustainability
(2010)This study deals with the development of appropriate sustainable strategies for environmental-benign aquatic processing systems. In this regard, the interactions between the aquatic system and its environment are first ... -
Exergy analysis of a high pressure multistage hydrogen gas storage system
(Elsevier, 2011)This study presents a parametric study on the performance aspects, through exergy analysis, of the multistage hydrogen gas storage subsystem in a hydropower-based-hydrogen gas fueling station producing 3 kg of hydrogen per ... -
Performance assessment of a novel hybrid district energy system
(Pergamon-Elsevier Science Ltd, 2012)In this paper, a new hybrid system for improving the efficiency of geothermal district heating systems (GDHSs) is proposed. This hybrid system consists of biogas based electricity production and a water-to-water geothermal ... -
Evaluation of structural and optical properties of Mn-Doped ZnO thin films synthesized by Sol-Gel technique
(Springer, 2012)Undoped ZnO and Mn-doped ZnO (MZO) films with 0.25, 0.50, and 0.75 mol pct were synthesized onto glass substrates by sol-gel spin-coating technique, and the effects of Mn on structural, morphologic, and optical properties ... -
An investigation for potential extensions of the Karaca Cavern using geophysical methods
(Springer, 2012)It is extremely important for regional tourism to determine the possible extensions of Karaca Cavern, one of the most important tourism destinations of the GumuAYhane province in Northeast Turkey. Cavities in karstic areas ... -
A novel approach for estimation of photovoltaic exergy efficiency
(Pergamon-Elsevier Science Ltd, 2012)In this study, a novel approach is proposed to determine the maximum amount of exergy from the sun when applied to a conventional photovoltaic (PV) system in order to formulate its exergy efficiency. the variations of ... -
Sustainable assessment of solar hydrogen production techniques
(Pergamon-Elsevier Science Ltd, 2012)This study addresses some technical issues related to solar hydrogen production methods. in this regard, exergy-based environmental and sustainability parameters are applied to an electrolysis process for hydrogen production. ... -
IGECVI-special issue-Energy and exergy modeling of advance energy systems
(Pergamon-Elsevier Science Ltd, 2012)Dear Colleagues, Energy and exergy are unifying concepts that extend all sciences, and are of fundamental importance in issues of climate change and environment, and use of energy resources. Exergy analysis is a powerful ... -
Exergetic and exergo-economic analysis of a turboprop engine: a case study for CT7-9C
(Inderscience Enterprises Ltd, 2012)The turboprop engine has played an important role in short haul commuter and military transport aircraft where high speed is not critical. It may provide the aviation sector with one of the most significant means of achieving ... -
Component-based exergetic measures of an experimental turboprop/turboshaft engine for propeller aircrafts and helicopters
(Inderscience Enterprises Ltd, 2012)In this paper, component-based exergetic assessment is presented for an experimental turboprop/turboshaft engine, including comparisons and exergetic performance such as their efficiencies, improvement potentials, exergy ... -
Investigation of a hybrid solar and geothermal driven absorption cooling system for district applications
(Inderscience Enterprises Ltd, 2012)In this paper, a new hybrid geothermal and solar driven absorption cooling system (ACS) is proposed for low-temperature district energy applications. Two approaches are proposed in this study, namely: (a) a new model for ... -
Thermodynamic analyses and case studies of geothermal based multi-generation systems
(Elsevier, 2012)In this study, energy and exergy analyses of new geothermal energy based multi-generation systems with seven different combinations for practical applications are performed. The systems considered are mainly examined under ... -
The effect of capillarity on chloride transport and the prediction of the accumulation region of chloride in concretes with reinforcement corrosion
(Elsevier, 2012)In this study, 20-year-old residential buildings which have reinforcement bar corrosion in their basement columns were investigated in Rize, Turkey. The reason for the occurrence of high steel corrosion in only some certain ... -
The determination of energy production potential of traditional water mills in the district of Kalkandere in Turkey
(2012)A county in the province of Rize in Turkey, Kalkandere is topographically hilly and sloping terrain. Therefore, the stream is available in large amounts. In addition, Rize is the province of Turkey's highest rainfall and ... -
Deciphering the shoshonitic monzonites with I-type characteristic, the Sisdaĝi pluton, NE Turkey: Magmatic response to continental lithospheric thinning
(Elsevier, 2012)Large-scale late Mesozoic to early Cenozoic plutons in the Eastern Pontide orogenic belt mostly show calc-alkaline and I-type geochemical features. However, we identify the Sisda?i pluton that has shoshonitic affinity and ... -
Investigation of biogas and hydrogen production from waste water of milk-processing industry in Turkey
(Elsevier, 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 ... -
Performance assessment of a vertical ground-source heat pump system with wall heating and cooling
(2012)Extensive studies on ground-source heat pump systems' performance have been published in the literature. Coefficient of performance (COP) on heating and cooling modes significantly influences thermal energy economics for ...
