Yıl 2020, Cilt 8 , Sayı 3, Sayfalar 833 - 843 2020-09-24

ASSESSMENT OF THE ENERGY AND EXERGY ANALYSES RESULTS OF A BIODIESEL FUELED ENGINE DEPENDING ON THE ENGINE LOAD
MOTOR YÜKÜNE BAĞLI OLARAK BİYODİZEL YAKITLI BİR DİZEL MOTORUN ENERJİ VE EKSERJİ ANALİZİ SONUÇLARININ DEĞERLENDİRİLMESİ

İbrahim YILDIZ [1] , Hakan ÇALIŞKAN [2]


In this study, a four-cylinder diesel engine with %100 biodiesel fuel is investigated at 100Nm and full load. The results are assessed in detail with thermodynamic aspect by applying energy and exergy analyses to the system. It is seen that the energy and exergy rates of air, fuel, exhaust gases and net power increases with engine torque. It is also assessed that the increase in the energy and exergy losses of the engine with increase in torque affects the system negatively. At full load, the biodiesel fuel energy rate is calculated as 124,723, while its exergy rate is 134,09 kW. The energy loss rate of the diesel engine at full load is found as 94,247 kW, its exergy loss is determined as 15,750 kW. The system efficiency is increased with the engine torque, and energy efficiency of the engine at full load is 33,397% while exergy efficiency is calculated as 37,39%.
Bu çalışmada, %100 biyodizel yakıtlı dört silindirli bir dizel motor 100 Nm ve tam yükte (294 Nm) deneysel olarak incelenmiştir. Sisteme enerji ve ekserji analizleri uygulanarak sonuçlar termodinamik açıdan detaylı bir şekilde değerlendirilmiştir. Havanın, yakıtın, egzoz gazlarının ve net gücün enerji ve ekserji değerlerinin motor tork artışı ile birlikte arttığı görülmüştür. Tork artışı ile motorun enerji ve ekserji kayıplarının da artarak sistemi olumsuz etkilediği değerlendirilmiştir. 294 Nm’de çalışan motorda biyodizel yakıtının enerji değeri 124,723 kW, ekserji değeri ise 134,09 kW olarak hesaplanmıştır. Dizel motorun 294 Nm yükte enerji kaybı 94,247 kW olarak bulunurken, ekserji kaybı 15,750 kW olarak belirlenmiştir. Motor torkunun artmasıyla sistemin verimi artmıştır ve 294 Nm yükte motorun enerji verimi %33,397 iken, ekserji verimi ise %37,39 olarak hesaplanmıştır.
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Birincil Dil tr
Konular Mühendislik, Makine
Bölüm Araştırma Makaleleri \ Research Articles
Yazarlar

Orcid: 0000-0002-1103-2951
Yazar: İbrahim YILDIZ
Kurum: UŞAK ÜNİVERSİTESİ
Ülke: Turkey


Orcid: 0000-0002-6571-0965
Yazar: Hakan ÇALIŞKAN (Sorumlu Yazar)
Kurum: UŞAK ÜNİVERSİTESİ
Ülke: Turkey


Tarihler

Başvuru Tarihi : 30 Temmuz 2020
Kabul Tarihi : 10 Eylül 2020
Yayımlanma Tarihi : 24 Eylül 2020

APA Yıldız, İ , Çalışkan, H . (2020). MOTOR YÜKÜNE BAĞLI OLARAK BİYODİZEL YAKITLI BİR DİZEL MOTORUN ENERJİ VE EKSERJİ ANALİZİ SONUÇLARININ DEĞERLENDİRİLMESİ . Mühendislik Bilimleri ve Tasarım Dergisi , 8 (3) , 833-843 . DOI: 10.21923/jesd.775787