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Toplam kayıt 10, listelenen: 1-10
Investigation of biodegradability of doped composite oxide coated AZ91 alloy in blood plasma
(Gazi University, 2022)
Magnesium alloys; It is widely used in metallic biomaterials with its low toxic effect and biodegradability. Although these alloys help the formation of new tissues in the body, they provide great advantages over other ...
ENERGY, EXERGY ANALYSIS AND OPTIMIZATION OF INSULATION THICKNESS ON BUILDINGS IN A LOW-TEMPERATURE DISTRICT HEATING SYSTEM
(YILDIZ TECHNICAL UNIV, 2023)
In the study, energy and exergy analysis of the buildings on a campus in Turkey are conducted by using actual operating data and taking measurements in the district heating system as a case study. The energy and exergy ...
Dietil eter-motorin karışımlarının motor performansına etkilerinin deneysel incelenmesi
(Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi, 2012)
Bu çalışmada, dietil eter (DEE)-motorin karışımlarının motor performansına etkileri deneysel olarak incelenmiştir. Yakıt karışımları motorin içerisine hacimsel olarak %2,5, %5, %7,5 ve %10 oranlarında dietil eter karıştırılarak ...
Kapalı Kare Ortamlarda Periyodik Olarak Değişen Sıcaklığa Sahip Duvara Konulan Engelin Doğal Taşınım ile Isı Transferi Üzerine Etkilerinin Sayısal İncelenmesi
(6th International Advanced Technologies Symposium, 2011-05-16)
Natural convection heat transfer in square enclosures having a horizontally positioned obstacle on one of the vertical wall is numerically investigated. The obstacle included wall has periodically varying temperature profile ...
NATURAL CONVECTION HEAT TRANSFER IN A PARTIALLY DIVIDED TRAPEZOIDAL ENCLOSURE
(THERMAL SCIENCE, 2009)
Nat u ral con vec tion heat trans fer in a par tially di vided trap e zoidal en clo sure is stud ied nu mer i cally us ing the con trol vol ume method. Sum mer and win ter con di - tions are sep a rately ex am ined by im ...
Preparation and characterization of electroless Ni–B/nano-SiO2, Al2O3, TiO2 and CuO composite coatings
(2015-06-18)
Ni–B/SiO2, Al2O3, TiO2 and CuO composite coatings were successfully obtained by the electroless plating technique. Dispersible SiO2, Al2O3, TiO2 and CuO nanoparticles were co-deposited with electroless Ni–B coating onto ...
Energy and economic assessments of waste heat recovery by designs of economizer, condensing economizer and air preheater
(Gazi Universitesi, 2023)
In this study, the waste heat loss of flue gases from the boilers of Kafkas University district heating system has been calculated between 6-8% according to the combustion analysis and the annual cost of this heat loss has ...
High-cycle fatigue and tensile strength of AZ91 Mg alloy with MAO-epoxy duplex coating
(Institute of Materials and Machine Mechanics, 2023)
In this study, an epoxy layer was formed by the immersion process, on the oxide layer grown by the micro-arc oxidation (MAO) treatment of the AZ91 magnesium alloy, using the thin film sealing technology, and its effect on ...
Strength Analysis in Bonded, Bolted and Bolted-Bonded Joints, Single Lap Joints, Metal/Composite Plates
(Multidisciplinary Digital Publishing Institute (MDPI), 2023)
Today, especially in many fields that require structural durability, such as the aerospace and automotive industries, there has been a need to use different bonding techniques separately or together in order to use materials ...
Effect of thickness and melting temperature of phase change material integrated into exterior wall on building energy performance and CO2 emission reduction
(Gazi Universitesi, 2024)
In the study, the effect of phase change materials integrated into the building's external wall has been investigated in terms of material type, thickness, and melting temperature of phase change material on the building ...