Abstract
Indian Geranium Grass popularly known as palmarosa is widely grown in many parts of Indian Sub-continent and used for its aromatic flavor in South American and Middle East countries. In this current study, Indian Geranium Grass oil is blended with diesel in different proportions from 0 % to 100 % by volume and its impact on performance, combustion and emission characteristics is investigated in a single-cylinder diesel engine without any modification. The experimental results projected that the performance characteristics of Biodiesel blend IGG20 were better as it consumes 12 % lesser fuel of 0.39 kg·kWh−1 and 5 % higher brake thermal efficiency compared to other blends and also exhibited peak cylinder pressure of 75.31 bar and shorter ignition delay of 17.08-degree crank angle compared to diesel. Biodiesel blend IGG20 has a significant reduction in carbon monoxide of 23 %, smoke emission of 17.2 % emission. However, there is a slight increase in total hydrocarbon, oxides of nitrogen and carbon dioxide emissions of 2 %, 15.67 % and 14 % respectively compared to diesel which may be due to poor vaporization, incomplete combustion and reduced in-cylinder temperature.
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Abbreviations
- BSU:
-
Bosch smoke unit
- BSFC:
-
Brake specific fuel consumption
- BSU:
-
Bosch smoke unit
- CO:
-
Carbon monoxide
- DAS:
-
Data acquisition system
- EGR:
-
Exhaust gas recirculation
- EGT:
-
Exhaust gas temperature
- HC:
-
Hydrocarbon
- HRR:
-
Heat release rate
- IGG:
-
Indian geranium grass
- IGG10:
-
10 % IGG + 90 % diesel fuel
- IGG20:
-
20 % IGG+ 80 % diesel fuel
- IGG30:
-
30 % IGG+ 70 % diesel fuel
- IGG40:
-
40 % IGG+ 60 % diesel fuel
- IGG100:
-
100 % IGG
- THC:
-
Total hydro carbon
- CO:
-
Carbon monoxide
- CO2 :
-
Carbon dioxide
- NOx :
-
Oxides of nitrogen
- HRR:
-
Heat release rate
- SOC:
-
Start of combustion
- CD:
-
Combustion duration
- IC:
-
Internal compression
- H2SO4 :
-
Sulfuric acid
- ID:
-
Ignition delay
- EGT:
-
Exhaust gas temperature
- THC:
-
Total hydrocarbon
- BTE:
-
Brake thermal efficiency
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Ganapathi, A., Muralidharan, K. Impact of Indian Geranium Grass Biodiesel Blends on Performance, Combustion and Emission Characteristics. Int J Thermophys 41, 137 (2020). https://doi.org/10.1007/s10765-020-02706-8
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DOI: https://doi.org/10.1007/s10765-020-02706-8