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Journals / Mühendis ve Makina / 2022 / Cilt: 63 - Sayı: 708

Energy, Exergy and Exergoeconomic Performance Assessments Of A Turbo Diesel Aviation Engine Used On Unmanned Air Vehicles

İnsansız Hava Araçlarında Kullanılan Turbo Dizel Bir Havacılık Motorunun Enerji, Ekserji ve Ekserjiekonomik Performansının Değerlendirilmesi

Özgür BALLI
Pages
473–491
Publication Date
2022-09-16
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

According to the results of the turbodiesel engine’s economic and exergo-economic analyses, the total cost flow for power generation was calculated to be 47.035 $/h, and the specific exergy cost of the generated power was calculated to be 0.095 $/MJ.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:In this study, the performance of a turbodiesel aviation engine used in unmanned aerial vehicles was evaluated using energy, exergy, and exergoeconomic analyses methods.
📊
Key Findings & Data:The engine’s energy efficiency was 43.158%, while its exergy efficiency was 40.655%.
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Conclusion & Impact:According to the results of the turbodiesel engine’s economic and exergo-economic analyses, the total cost flow for power generation was calculated to be 47.035 $/h, and the specific exergy cost of the generated power was calculated to be 0.095 $/MJ.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:IHA · turbodizel motoru · enerji

Abstract

In this study, the performance of a turbodiesel aviation engine used in unmanned aerial vehicles was evaluated using energy, exergy, and exergoeconomic analyses methods. The engine’s energy efficiency was 43.158%, while its exergy efficiency was 40.655%. When the engine’s fuel energy loss rate was 56.842%, the fuel exergy loss rate was calculated to be 59.345 %. The environmental impact factor, ecological impact factor, ecological objective function, exergetic sustainability index, and sustainable efficiency factor of a turbodiesel engine were calculated to be 1.460, 2.460, -227.173 MJ/h, 0.685, and 1.685, respectively. According to the results of the turbodiesel engine’s economic and exergo-economic analyses, the total cost flow for power generation was calculated to be 47.035 $/h, and the specific exergy cost of the generated power was calculated to be 0.095 $/MJ. The relative cost increasing (relative cost difference) between the engine’s fuel cost and the production cost was found to be 248.655% and the system’s exergoeconomic factor was found to be 16.346%. Furthermore, the performance criteria of the turbodiesel aviation engine and the piston-prop aviation engine were compared in this study. The turbodiesel engine’s performance parameters were determined to be significantly better than those of the piston-prop engine.

Özet

Bu çalışmada; enerji, ekserji ve eksergo-ekonomik analiz yöntemleri kullanılarak insansız hava araçları için kullanılan turbodizel bir havacılık motorunun performans doğrulaması yapılmıştır. Motorun enerji verimi %43.158, ekserji verimi ise %40.655 olarak bulunmuştur. Motorun yakıt enerjisi kayıp oranı %56.842 iken yakıt ekserji kayıp oranı %59.345 olarak hesaplanmıştır. Turbodizel motorun çevresel etki faktörü 1.460, ekolojik etki faktörü 2.460, ekolojik objektif fonksiyon değeri -227.173 MJ/h, ekserjetik sürdürebilirlik indeksi 0.685 ve sürdürülebilir verimlilik faktörü ise 1.685 olarak elde edilmiştir. Turbodizel motorun ekonomik ve eksergo-ekonomik analiz sonuçlarına göre; güç üretimi için toplam maliyet akışı 47.035 $/h ve üretilen gücün özgül ekserji maliyeti 0.095 $/MJ olarak hesaplanmıştır. Diğer yandan motorun yakıt maliyeti ile üretim maliyeti arasındaki bağıl maliyet artışı %248.655, sistemin eksergo-ekonomik faktörü %16.346 olarak bulunmuştur. Ayrıca bu çalışmada, turbodizel havacılık motoru ile piston-prop havacılık motorunun performans kriterleri de karşılaştırılmıştır. Turbodizel motorun tüm performans parametrelerinin, piston-prop motorun parametrelerinden çok daha iyi olduğu tespit edilmiştir.

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Cite This Article

BALLI, Ö. (2022). Energy, Exergy and Exergoeconomic Performance Assessments Of A Turbo Diesel Aviation Engine Used On Unmanned Air Vehicles. Mühendis ve Makina, Cilt: 63 - Sayı: 708, 473–491. https://ajindex.com/articles/693060

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