Başlık için Makina Mühendisliği Bölümü / Department of Mechanical Engineering listeleme
Toplam kayıt 40, listelenen: 23-40
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The implementation of the high technology methods of cutting on st 50 alloyed steel and the examination of the effects of cutting operation at the surface of material
(2014)Since competition has risen in the manufacturing methods of present conditions, the chance of competition has lost in the situations which new or high technologies aren't exactly known. The proper selection is important ... -
Improving performance of transcritical CO2 systems, using phase change materials (PCM) in a cold storage application
(International Institute of Refrigeration, 2019)Thermal energy storage is one of the most promising solutions for energy savings and increasing efficiency. To improve the performance of cold storage applications, incorporating phase change materials (PCM) to these ... -
Key implications on food storage in cold chain by energy management perspectives
(Frontiers Media SA, 2023)Over the past decades, increase in food shortages and food costs with the drought caused by population growth and climate change, it becomes more important to prevent food losses with the widespread use of cold storage. ... -
A Numerical Analysis of Convection Heat Transfer and Friction Factor for Oscillating Corrugated Channel Flows
(Taylor and Francis Ltd., 2021)The aim of this article is to understand numerically the flow and heat transfer characteristics under oscillating flow conditions for periodically corrugated wavy channel. For the same channel, under steady-state flow ... -
Numerical investigation for convective heat transfer and friction factor under pulsating flow conditions
(EDP Sciences, 2018)For pulsating flow, the behaviours of the convective heat transfer and friction factor for a periodic corrugated channel are investigated numerically. The finite volume method is used in the numerical study. Three different ... -
Optimal capacity for sustainable refrigerated storage buildings
(Elsevier Ltd, 2020)Widespread construction of cold storage buildings is important to ensure sustainability of the agricultural industry and reduce food loss. However, the number of cold storage buildings in most developing countries is ... -
Optimization of the finned double-pipe heat exchanger using nanofluids as working fluids
(Springer, 2020)The heat exchanger pipe diameter has a significant effect on the flow characteristics as well as on the initial investment, operation and overall cost. Increasing fin dimensions increases the annulus hydraulic diameters. ... -
Örnek Bir Malzemede Lineer Isı İletiminin Deneysel ve Sayısal Olarak İncelenmesi
(TMMOB MAKİNA MÜHENDİSLERİ ODASI, 2019)Literatür çalışmaları incelendiğinde; metalik malzemelerin, yapı malzemelerinin ve karma malzemelerin ısı iletim katsayılarının belirlenmesini, birbirine göre üstünlüklerinin ve zafiyetlerinin tespitini sağlayan bir ... -
The performance evaluation of CO2 transcritical booster and R290/R744 cascade refrigeration systems for different cities in Turkey
(International Institute of Refrigeration, 2017)CO2 as a natural and fully environmentally friendly refrigerant has become more preferable in refrigeration systems in recent years. Since its critical temperature is much lower than that of other refrigerants. It is mostly ... -
THE PERFORMANCE EVALUATION OF R744 TRANSCRITICAL EJECTOR AND R290/R744 CASCADE REFRIGERATION SYSTEMS FOR TURKEY
(VINCA INST NUCLEAR SCI, 2020)In this study, performance of two different environmentally friendly systems with natural refrigerant solutions, R744 transcritical booster system with ejector and a R290/R744 cascade system are examined theoretically by ... -
The place of pedagogical training in engineering education
(2014)Academic personnel attendant in engineering education predominantly performs educational functions besides research functions, development and laboratory works. At this stage, the communication and interaction between ... -
R744/R404a Kaskat Soğutma Sistemi Performansının Deneysel İncelenmesi
(TMMOB MAKİNA MÜHENDİSLERİ ODASI, 2019)Soğutma sistemlerinde kullanılan kloro-floro hidrokarbonların çevreye ve ozona zararlı olmalarından dolayı daha çevreci ve doğal soğutucu akışkanların bu bileşiklerle değiştirilmesi zorunlu hale gelmiştir. Doğal soğutucu ... -
Theoretical analysis of a cascade refrigeration system with natural and synthetic working fluid pairs for ultra low temperature applications
(Turkish Soc Thermal Sciences Technology, 2020)In this study, a theoretical model is established using Engineering Equation Solver (EES) software in order to investigate the effects of different design and operation parameters on the performance of the cascade systems ... -
Thermal analysis and performance testing of heavy load truck composite brake linings
(Walter de Gruyter GmbH, 2022)One of the most important variables that determine the braking performance of heavy-duty trucks is the high temperature increases in the brake components. In this study, the effects of high temperatures in brake lining ... -
Toprak Kaynaklı Isı Pompasıyla Çalışan Yerden Isıtma/Serinletme Sisteminin VRF Sistemi İle Enerji Kıyaslaması
(Tesisat Mühendisliği, 2021)Artan dünya nüfusu ve teknolojik gelişmelerle birlikte, insanların kapalı ortamlarda vakit geçirme sürelerinin artması, iklimlendirme sistemlerine olan ihtiyaçları da beraberinde getirmiştir. Bununla birlikte kaynakların ... -
Ultra Düşük Sıcaklıklarda Çalışan İki Kademeli Bir Soğutma Sisteminde Aşırı Soğutma ve Isıtmanın Performansa Etkilerinin Sayısal İncelenmesi
(2017)Soğutma sistemleri çalışılmak istenen soğutma sıcaklığına bağlı olarak çeşitli kategorilere ayrılmaktadır. -50°C ve -100°C sıcaklık aralığında gerçekleştirilen soğutma işlemleri ultra düşük sıcaklık uygulaması sınıfına ... -
Ultra Düşük Sıcaklıkta (-78 °C) Kaskad Soğutma Sisteminin Farklı Tasarım ve Operasyon Parametreleri İçin Teorik Analizi
(Tesisat Mühendisliği, 2021)Ultra düşük sıcaklıkta çalışan soğutma sistemlerinin kullanım alanları oldukça yaygındır. Özellikle biyolojik ürünlerin uzun süre depolanabilmesi için ultra düşük sıcaklıklarda çalışabilen soğutma sistemlerine ihtiyaç ...