Yazar "Yalçın, Enver" için listeleme
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Assessment of degradation effects for an aircraft engine considering exergy analysis
Söğüt, Mehmet Ziya; Yalçın, Enver; Karakoç, T. Hikmet (Pergamon-Elsevier Science Ltd, 2017)Despite the improvements in engine technology, the combustion processes and wear occurred in engine components affect performance adversely. The turbine and compressor fouling, degradation mechanisms such as erosion, ... -
Assessment of energy and environmental performance of low-charge multiplex refrigeration system
Yalçın, Enver; Sögüt, Mehmet Ziya; Karakoç, Tahir Hikmet (Springer, 2018)Low-charge multiplex refrigeration system (LCMRS) used in supermarket application is defined as low-energy performance in cooling system considered as important energy consumers. In this context, this study primarily ... -
Assessment of fuel cell studies with particle image velocimetry applications: A key review
Yaşar, Onur; Özbek, Emre; Ekici, Selçuk; Yalçın, Enver; Midilli, Adnan; Karakoç, T. Hikmet (Pergamon-Elsevier Science Ltd, 2021)Fuel cells are considered to be a promising system that is utilized in several applications and in various sectors. Particle image velocimetry is extremely practicable for the exploration of the flow field inside fuel cells ... -
Assessment of the environmental performance of a jet engine due to irreversibility under altitude conditions
Söğüt, M. Ziya; Yalçın, Enver; Karakoç, T. Hikmet (Aeronautical & Astronautical Soc Republic China, 2021)The aviation sector carries out important studies with the awareness of its sectoral responsibility in terms of ensuring its economic sustainability as well as reducing emissions resulting from global climate change. ... -
Assessment of thermodynamic and environmental performances in subcooling process for different refrigerants
Altuntaş, Önder; Söğüt, M. Ziya; Yalçın, Enver; Karakoç, T. Hikmet (Inderscience Enterprises Ltd, 2017)Subcooling application in cooling processes leads to increasing of cooling performance and energy efficiency within defined limits. This study examines subcooling effects of refrigerants on the coefficient of performance ... -
Bir soğuk hava deposunda farklı kontrol yöntemlerinin enerji verimliliği yönüyle karşılaştırmalı analizi
Baskın, Niyazi (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2017)Günümüzde Dünya elektrik enerjisi tüketiminde, küçük kapasiteli uygulamalardan, büyük kapasiteli endüstriyel ve ticari uygulamalara kadar geniş alanı kapsayan soğutma ve iklimlendirme sistemlerinin payı oldukça yüksektir. ... -
Buhar sıkıştırmalı soğutma çevriminde oluşan basınç kayıplarının deneysel ve teorik analizi
İlhan, Mehmet Onur (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2021)Bütün dünyada kullanılan endüstriyel soğutma ve konfor iklimlendirme uygulamaları çok büyük enerji sarfiyatına sebep olmaktadır. Bu enerji kayıplarının büyük bir kısmını boru tesisatlarından kaynaklanan basınç kayıpları ... -
Comparative analysis of various refrigerants used in transport refrigeration based on thermodynamics and environmental performances and cold chain management
Yalçın, Enver; Söğüt, Mehmet Ziya; Altuntaş, Önder; Karakoç, Tahir Hikmet (Inderscience Enterprises, 2019)In cooling systems, besides the refrigerant preferences, the probability of leakage due to dynamic conditions increases energy consumption and emissions directly or indirectly. In this study, thermodynamics and environmental ... -
Egzoz gazı ile çalışan absorpsiyonlu soğutma sisteminin otobüslerde kullanımı
Kavaklı, Arzu Karabulut (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2005)Bu çalışmanın amacı, otobüs klima sistemlerinde egzoz gazındaki atık ısı ile çalışan Absorpsiyonlu Soğutma Sistemi'nin kullanılabilirliğini incelemektir. Böylece, kompresör tarafından tahrik edilen klasik buhar sıkıştırmalı ... -
Examination of performance indicators' effects based on propulsion parameters in a turboprop engine
Yalçın, Enver; Söğüt, M. Ziya; Karakoç. T. Hikmet (Inderscience Enterprises Ltd, 2016)In this study, propulsion indicators and their effects have been described by reference to the actual data of a turboprop engine. Then, the effects of these indicators on exergetic and environmental performance efficiencies ... -
Experimental analysis of a cold store integrated with phase change material: a case study
Kılıç, Gülenay Alevay; Yalçın, Enver; Aydın, Ahmet Alper (Bulgarian Acad, 2016)Thermal energy storage systems provide the potential to attain energy savings and reduce the environmental impact related to energy use. In this respect, phase change materials (PCMs) work as `` latent heat storage units'' ... -
Investigation of environmental ımpacts of energy utilization in space heating
İlten, Nadir; Utlu, Zafer; Yalçın, Enver; Yalçın, Hasan Birol (Springer Verlag, 2013)This study presents the analysis of the energy and exergy utilization of the Bali{dotless}kesir space-heating sector (BSHS) in the years of 1996 and 2010 and environmental impacts of their usage. In this analysis, actual ... -
Investigation on fin cooling for lithium-polymer batteries
Yaşar, Onur; Ekici, Selçuk; Yalçın, Enver; Karakoç, Tahir Hikmet (Emerald Publishing, 2023)Purpose: Lithium-polymer batteries have common usage in aviation industry especially unmanned aerial vehicles (UAV). Overheating is a serious problem in lithium-polymer batteries. Various cooling methods are performed to ... -
Lityum-polimer bataryalarda soğutma uygulamalarının optimizasyonu
Yaşar,Onur (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2023)Lityum-polimer bataryalar, havacılık sektöründe özellikle insansız hava araçlarında kullanılan batarya türlerinden birisidir. Tüm batarya sistemlerinde olduğu gibi, ağırlık ve ağırlığına oranla düşük kullanım süresi gibi ... -
Optimization of recirculating laminar air flow in operating room air conditioning systems
The laminar flow air conditioning system with 100% fresh air is used in almost all operating rooms without discrimination in Turkey. The laminar flow device which works with 100% fresh air should be absolutely used in Type ... -
Optimum operating temperature range of phase change materials used in cold storage applications: A case study
Kılıç, Gülenay Alevay; Yalçın, Enver; Aydın, Ahmet Alper (Springer International Publishing Ag, 2020)The storage of latent heat, one of the thermal energy storage systems (TESs), is now used in cold storage applications. PCM's use in the refrigeration industry has been integrated into systems without mechanical chiller, ... -
Refrigeration inventory based on CO2 emissions and exergetic performance for supermarket applications
Söğüt, Mehmet Ziya; Yalçın, Enver; Karakoç, Tahir Hikmet (Elsevier Science, 2012)In this study, first energy and exergy analysis for supermarket cooling applications having high refrigerant capacity are examined and next, based on these analyses and different gases used. CO2 emission effect caused by ... -
Soğuk depo modelinin deneysel ve 3 boyutlu sayısal analizi
Kaya, Semin; Yalçın, Enver; Koçyiğit, G. Alevay (2013)Soğutma sanayinde sıcaklık ve nem kontrolü büyük önem taşımaktadır. Laboratuvar ortamında yapılan çalışmalar maliyet artışı ve zaman kaybına neden olduğu için sayısal analiz programları ile bu sorunun çözülmesi amaçlanmaktadır. ... -
Sustainable carbon management in corporate governance: A case study
Söğüt, Mehmet Ziya; Yalçın, Enver; Karakoç, Tahir Hikmet (Elsevier Science BV, 2019)Institutional structures having leader roles in sustainable development must make regular and sustainable situation analyses to improve management strategies and particularly energy resources when environmental strategies ... -
Tek ve çift kademeli amonyaklı soğutma sistemlerinde daha basit donanım imkanları
Savaş, Sabri; Yalçın, Enver (2006)Tek ve çift kademeli amonyaklı soğutma sistemleri genellikle büyük boyutlu ticari tür soğuk ve donmuş depolar ile buz fabrikalarında ve ayrıca yüksek kapasiteli endüstriyel soğutma tesislerinde, ancak profesyonel makinist ...
