Now showing items 2-18 of 18
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Exergy Analysis of Graphene-Based Nanofluids in a Compact Heat Exchanger
(TURKISH SOCIETY OF THERMAL SCIENCES AND TECHNOLOGY, 2022)In this study, the exergy analysis of graphene-based nanofluids in a compact heat exchanger is examined. In experiments using distilled water as the base fluid, graphene nano-ribbon and graphene oxide nanofluids were used ... -
Experimental Analysis of Different Refrigerants’ Thermal Behavior and Predicting Their Performance Parameters
(2023)This study experimentally compares thermodynamic performance of R290 and R404A refrigerants in a refrigeration system. In the first part of the paper, energy analysis of the refrigeration system was performed at various ... -
Experimental comparison of R290 and R600a and prediction of performance with machine learning algorithms
(2023)The use of alternative refrigerants is among the popular topics of the refrigeration industry. In the first part of this study, thermodynamic performances of R290 and R600a gases were compared in a vapor compression ... -
Experimental exergy analysis of low-GWP R290 refrigerant and derivation of exergetic performance equations with regression algorithms
(2023)This study analyses the derivation of performance equations for a refrigeration system operating with R290 and R404A refrigerants using different regression models. Results of pace regression for coefficient of performance ... -
Experimental Heat Transfer Analysis from Helical Coiled Tubes with the Same Surface Area
(2023)Helical coiled tubes are commonly used inserted in water storage tank. In this study, an experimental investigation was carried out to obtain heat transfer characteristics of different geometric dimensions in helical tubes ... -
Experimental Investigation of PV Panel Performance by Using PCM with Different Fin Geometries
(2023)During the photovoltaic (PV) conversion process, a significant amount of solar radiation is converted into heat, which increases the cell's temperature and reduces its efficiency. A system consisting of PCM and aluminium ... -
Experimental investigation of variable fin length on melting performance in a rectangular enclosure containing phase change material
(ELSEVIER, MAR 2023)The present study proposes a new technique to determine liquid fractions of phase change material during the melting process in a left-side heated rectangular enclosure. The effects of variable fin length arrangements on ... -
ISI YALITIM UYGULAMALARININ ENERJİ TASARRUFUNA ETKİLERİNİN İNCELENMESİ
(Sivas Cumhuriyet Üniversitesi Rektörlük Matbaası, 2022)Son yıllarda, nüfusla birlikte gelişen teknolojiye paralel olarak artış gösteren enerji ihtiyacı, tükenebilen kaynakların yerine kendini yenileyebilen enerji kaynaklarının kullanımını gündeme getirmiştir. Günümüz şartlarında ... -
Machine Learning Approaches for One-Day Ahead Soil Temperature Forecasting
(2023)Present study investigates the capabilities of six distinct machine learning techniques such as ANFIS network with fuzzy c-means (ANFIS-FCM), grid partition (ANFIS-GP), subtractive clustering (ANFIS-SC), feed-forward neural ... -
Numerical investigation of fouling on cross-flow heat exchanger tubes with conjugated heat transfer approach
(PERGAMON-ELSEVIER SCIENCE LTD, 2008)Although fouling on heat exchanger tubes is extensively investigated, due to the lack of energy resources, the effects of fouling on heat exchangers is still an important area of study and gaining more and more attention ... -
Numerical thermo-mechanical analysis of a railway train wheel
(2023)In this paper, the variation of thermal stresses, strains and deformations created by combined thermal and mechanical loads is investigated in block braked railway wheels. Thermo-mechanical analyses of the railway wheel ... -
Particle image velocimetry studies around a rectangular body close to a plane wall
(2010)Flow structures around a rectangular body located close to a ground board in a free-surface water channel were investigated using the particle image velocimetry (PIV) technique. The rectangular body is set with ?=0° and ... -
The Estimation of Monthly Mean Soil Temperature at Different Depths in Sivas Province, Turkey by Artificial Neural Networks
(2023)In this study, soil temperature of Sivas province was estimated by the artificial neural networks (ANNs) method using data obtained from five different meteorological measurement stations situated in provincial borders. ... -
The experimental and numerical investigation on thermal responses of passive thermal protected batteries in different packs from low to high discharge rates
(Springer, 06.07.2022)This study contains experimental and numerical investigation of the shape effect of the pack on the performances of PCM (or GNP/PCM) based passive thermally protected battery packs. Also, the performances of the PCM and ... -
The experimental and numerical investigation on thermal responses of passive thermal protected batteries in different packs from low to high discharge rates
(Springer, 2022)This study contains experimental and numerical investigation of the shape effect of the pack on the performances of PCM (or GNP/PCM) based passive thermally protected battery packs. Also, the performances of the PCM and ... -
Thermal Protection Performances of the Macro and/or Nano Enhanced PCM in a Representative Battery Pack
(NANOSCALE AND MICROSCALE THERMOPHYSICAL ENGINEERING, Nisan 2022)This experimental study focused on the comparison of thermal protection performances of macro and/or nano enhanced organic PCM in a representative battery pack from low to high discharge rates. The macro/nano enhanced RT-44 ... -
Thermal Protection Performances of the Macro and/or Nano Enhanced PCM in a Representative Battery Pack
(TAYLOR & FRANCIS INC, 2022)This experimental study focused on the comparison of thermal protection performances of macro and/or nano enhanced organic PCM in a representative battery pack from low to high discharge rates. The macro/nano enhanced RT-44 ...
