Journals / Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi / 2010 / Cilt: 25 - Sayı: 1

Effects of LPG percentage to performance and exhaust emissions in a dual fuel engine

Çift yakıtlı bir dizel motorda LPG yüzdesinin performans ve egzoz emisyonlarına etkisi

Pages
171–178
Publication Date
2022-10-18
DOI
—
🏛️Bibliographic metadata and full text access for this article are provided via DergiPark.
DergiPark Record ↗
✨

AI Summary & Key Takeaways

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

The test results showed that the smoke and Nitrogen oxide (NOx) emissions decrease, while carbon monoxide (CO) and hydrocarbon (HC) emissions increase at all mixtures of LPG and diesel fuel.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:In this study, an experimental investigation was presented to determine the effects of various ratios of Liquefied Petroleum Gas (LPG), containing 30% propane and 70% butane, on the performance and exhaust emission in a dual fuel engine with direct injection.
📊
Key Findings & Data:The tests were performed at maximum torque speed of 2600 rpm with a various loads of maximum torque (20%, 40%, 60%, 80% and 100%) by using pure diesel fuel or dual fuel containing 20%, 40%, 60%, 80% and 90% of LPG.
💡
Conclusion & Impact:The test results showed that the smoke and Nitrogen oxide (NOx) emissions decrease, while carbon monoxide (CO) and hydrocarbon (HC) emissions increase at all mixtures of LPG and diesel fuel.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

In this study, an experimental investigation was presented to determine the effects of various ratios of Liquefied Petroleum Gas (LPG), containing 30% propane and 70% butane, on the performance and exhaust emission in a dual fuel engine with direct injection. The tests were performed at maximum torque speed of 2600 rpm with a various loads of maximum torque (20%, 40%, 60%, 80% and 100%) by using pure diesel fuel or dual fuel containing 20%, 40%, 60%, 80% and 90% of LPG. The test results showed that the smoke and Nitrogen oxide (NOx) emissions decrease, while carbon monoxide (CO) and hydrocarbon (HC) emissions increase at all mixtures of LPG and diesel fuel. Brake specific fuel consumption (bsfc) decreases by 3.5-15% with 40% LPG while the load increases. Exhaust gas temperatures at the mixture fuel were lower than that of diesel fuel in general. It was concluded that LPG can be used with diesel fuel as a mixture up to 40-60% of LPG, provided that CO and HC emissions can be lowered.

Özet

Bu çalışmada, tek silindirli, direkt püskürtmeli bir dizel motorda ikinci yakıt olarak %30 propan, %70 bütandan oluşan LPG’nin (Liquefied Petroleum Gas) dizel/LPG çift yakıtı içerisindeki oranının performans ve egzoz emisyonlarına etkisi araştırılmıştır. Testler, maksimum tork devrinde (2600 d/d), maksimum torkun %20, %40, %60, %80 ve %100’ünde olmak üzere değişen yüklerde saf dizel yakıtı ve kütlesel olarak %20, %40, %60, %80 ve %90 LPG içeren çift yakıt ile gerçekleştirilmiştir. Test sonuçları, her orandaki çift yakıt ile is ve azot oksit (NOx) emisyonlarının azaldığını, karbonmonoksit (CO) ve hidrokarbon (HC) emisyonlarının ise arttığını göstermiştir. Ayrıca, fren Özgül Yakıt Tüketiminin (ÖYT) %40 LPG ile yüke bağlı olarak dizel yakıtına göre %3,5-15 oranında azaldığı ve egzoz gaz sıcaklığının da genel olarak dizel yakıtından düşük çıktığı görülmüştür. LPG’nin yakıt olarak kullanılması sonucu tek olumsuz etki olarak ortaya çıkan bir miktar CO ve HC emisyon artışı herhangi bir yöntemle düşürülebildiği takdirde, dizel yakıtı ile birlikte %40-%60 oranında LPG’nin yakıt olarak kullanılabileceği tespit edilmiştir.

🔖

Cite This Article

DOĞAN, O., AKTAŞ, A. (2022). Effects of LPG percentage to performance and exhaust emissions in a dual fuel engine. Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi, Cilt: 25 - Sayı: 1, 171–178. https://ajindex.com/articles/523793

📄 Full Text PDF Viewer

📄

PDF görüntüleyici hazırlanıyor...

References (13)

  1. Weaver, C.S., “Natural gas vehicle—a review of the state of the art”, SAE, Paper 892133, 1989
  2. Çetinkaya, S., “Taşıtlarda Yakıt Olarak CNG Kullanımının Teknolojik Ve Ekonomik Açıdan Değerlendirilmesi”, III. LPG-CNG Kongresi ve Sergisi, 8-9 Haziran 2007, Ankara
  3. Bayka, D., “Doğalgazın Taşıtlarda Yakıt Olarak Kullanımı”, III. LPG-CNG Kongresi ve Sergisi, 8-9 Haziran 2007, Ankara
  4. Papagiannakis, R.G. ve Hountalas, D.T., “Combustion and exhaust emission characteristics of a dual fuel compression ignition engine operated with pilot Diesel fuel and natural gas”, Energy Conversion and Management Volume, 45, Issues 18-19, 2971–2987, 2004
  5. Selim, M.Y.E., “Sensitivity Of Dual Fuel Engine Combustion And Knocking Limits To Gaseous Fuel Composition”, Energy Conversion And Management, Volume 45, Issue 3, 411–425, 2004
  6. Papagiannakis, R.G., Hountalas D.T. ve Rakopoulos, C.D., “Theoretical study of the effects of pilot fuel quantity and its injection timing on the performance and emissions of a dual fuel diesel engine”, Energy Conversion and Management, Volume 48, Issue 11, 2951– 2961, 2007
  7. Nwafor, O.M.I., “Effect of advanced injection timing on emission characteristics of diesel engine running on natural gas”, Renewable Energy, Volume 32, Issue 14, 2361–2368, 2007
  8. Saleh, H.E., “Effect of variation in LPG composition on emissions and performance in a dual fuel diesel engine”, Fuel, Volume 87, Issues 13-14, 3031–3039, 2008
  9. Selim, M.Y.E., Radwan, M.S. ve Saleh, H.E., “Improving The Performance of Dual Fuel Engines Running on Natural Gas/LPG by Using Pilot Fuel Derived From jojoba seeds”, Renewable Energy, Volume 33, Issue 6, 1173- 1185, 2008
  10. Barut, E., Design and Implementation of Distributive Gas Fuel MeteringSystem For The Dual Fuel Operation of Diesel Engine, The Thesis Master of Science,, Middle East Technical University, Graduate School of Natural and Applied Sciences, Ankara, 1997
  11. Abd Alla, G.H., Soliman, H.A., Badr, O.A. ve Abd Rabbo, M.F., “Effect of pilot fuel quantity on the performance of a dual fuel engine”, Energy Conversion and Management; Volume 41, Issue 6, 559–72, 2000
  12. Nwafor, O.M.I., “Effect of choice of pilot fuel on the performance of natural gas in diesel engines”, Renewable Energy, Volume 21, Issues 3-4, 495– 504, 2000
  13. Lee, C.S., Lee, K.H. ve Kim, D.S., “Experimental and numerical study on the combustion characteristics of partially premixed charge compression ignition engine with dual fuel”, Fuel, Volu