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Browsing by Subject "CFD"

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Computer-aided simulation of a vertical-axis wind turbine

Yigit, Cemil (ICE PUBLISHING, 2020)

In many studies, computer-aided simulation methods are used to design vertical-axis wind turbines. Compared with conventional optimization methods, computer-aided optimization methods, which show continuous improvement in ...
Effect of slot-shaped pins on heat transfer performance in the extended jet impingement cooling

Yalcinkaya, Orhan; Durmaz, Ufuk; Tepe, Ahmet Umit; Uysal, Unal; Ozel, Mehmet Berkant (2022)

In this study, effects of heat transfer performance on the roughened target surface with slot-shaped pins (SSP) were numerically investigated using an in-line array of extended jet impingement cooling models. The influence ...
EFFECT OF WAVY FIN USAGE ON THERMAL PERFORMANCE OF HEAT EXCHANGER USED IN COMBI BOILERS

Yasar, Halit; Erol, Gulcan Ozel; Durmaz, Ufuk; Aydin, Ahmet; Kilic, Serhan; Engin, Tahsin (VINCA INST NUCLEAR SCI, 2020)

In this study, performance of a heat exchanger used in combi boilers was investigated numerically for different fin geometries. Analyses were performed at the boiler operation conditions. A commercial CFD software package, ...
Experimental and Numerical Determination of Head Loss Coefficients of Two-Way Surcharged Manholes

Dundar, Onur; Ozolcer, Ismail Hakki; Dogan, Emrah (MDPI, 2023)

The loss coefficient is one of the most critical parameters in computing the hydraulic grade line of sewer systems. The head loss coefficient of a manhole is dependent on various hydraulic and structural characteristics, ...
EXPERIMENTAL RESEARCH AND CFD SIMULATION OF CROSS FLOW MICROCHANNEL HEAT EXCHANGER

Meral, Zeynep Kucukakca; Parlak, Nezaket (YILDIZ TECHNICAL UNIV, 2021)

In this study, a cross flow microchannel heat exchanger has been manufactured out of standard sizes using aluminum material. The plate dimensions of heat exchangers have been 50x50x3 (mm(3)) that composed of two plates in ...
Investigation of a non-Newtonian MR fluid flow between parallel plates by developed CFD code for different numerical schemes

Onen, Murat Can; Parlak, Zekeriya (2022)

Magnetorheological (MR) fluids are composed of a solution of micron-sized magnetizable particles dispersed in a carrier fluid, typically oil. Thus, the MR fluids are classified as smart fluids by showing variable apparent ...
İki çıkışlı bir santrifüj pompanın tasarımı ve cfd ile optimizasyonu

Kemerli, Muaz (Sakarya Üniversitesi, 2015)

Santrifüj pompalar, kapalı bir hat içerisinde akan akışkanı basınçlandıran turbomakinalardır ve akışkanı aldıkları bir giriş ve akışkanı tahliye ettikleri bir çıkış hattını ihtiva ederler. Akışkanın bir hattan emilerek; ...
NUMERICAL INVESTIGATION OF VAPOR PHASE DRYING PROCESS FOR DRYING OF TRANSFORMER'S INSULATION PAPER

Yigit, Cemil; Aydin, Ahmet; Yasar, Halit; Isik, Fatih; Engin, Tahsin (VINCA INST NUCLEAR SCI, 2020)

The moisture content of oil-filled transformers insulation paper that is a cellulose-containing material comprises 8% to 10% of moisture by weight at ambient temperature and it is highly important to decrease the moisture ...
One-way coupled numerical model utilizing Viscoelastic Maxwell model for MR damper

Parlak, Zekeriya; Sahin, Ismail; Parlak, Nezaket (2022)

Describing the hysteresis behavior of magnetorheological (MR) shock absorber significantly facilitates the developers before manufacturing and control processes. However, most of the models developed to describe the ...
Otobüs hava kanalları tasarımı ve hava akış analizi

Valiyev, Elshad (Sakarya Üniversitesi, 2021)

İçten yanmalı motorla çalışan araçlar, çevre kirliliğine neden olan zararlı emisyonlar açığa çıkarmaktadır. Ayrıca bu araçlar için gerekli olan sınırlı fosil yakıt kaynaklarının tüketimi de enerji krizine sebep olmaktadır. ...
Tedarik zinciri yönteminde tedarikçi seçme modeli

Yığın, İsmail Hakkı (Sakarya Üniversitesi, 2004)

ÖZET: Tedarik Zinciri Yönetimi, Tedarikçi Seçme Globalleşen dünyada imalat sanayi, rekabetin yoğun ve kıyasıya olduğu, çok hızlı teknolojik gelişmelerin yaşandığı, seçici ve bilinçli bir müşteri kitlesinin bulunduğu bir ...