Department of Energy Engineering

1
Department of Energy Engineering

• Contact www.energia.bme.hu

2
Exhaust Gas Analysers
Related research result to topic No.
108 (Understand combustion and emission
sensitivity to fuel properties and alternative
fuels (bio-diesel))
HORIBA MEXA-8120F
NOVA particle measuring system
3
CI ICEngine test Systems
CFR Cetane Rating Engine
Brake system for ESC tests
4
Results
Comparison of Sunflower and Rapeseed Oils with
common Diesel Fuel (in g/kWh, measured by ESC)
Heat Release of Different Fuels
5
Utilisation of high proof grade crude alcohol
in low-scale dual fuel diesel engine
Related research result to topic No. 4 and
115 (Identify/develop promising technologies
capable of controlling HC emissions from
lean-burn engines (esp. Diesels) at low exhaust
temperatures (as low as 150c) characteristic of
advanced combustion processes, such as PCI and
HCCI, Novel combustion systems for multi-fuel
engines.)
Alcohol Injector (primary fuel)
Diesel Fuel Injector (Secondery fuel)
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Benefits of the dual fuel diesel engines

• High compression ratio therefore high efficiency,
• Qualitative control, therefore high efficiency on
  part load,
• Flexible for fuels, (crude alcohol, biogas,
  methanol,..)
• Decreasing PM,
• ..

7
Investigation of injection system
3,2 bar 27 C
3,2 bar 62 C
5 bar 62 C
5 bar 27 C
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Some experimental sets
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Results (Pe24 kW)
The electrical efficiency, NOx and FSN in the
function of the injection advance in case of
different alcohol amount at full power (the
injected alcohol amount is in mass percentage).
10
SI ICEngine test Systems

• Related research result to topic No. 98 and No.
  18
• (User-friendly and systematic calibration tools
  envelop methodology for optimal calibration of
  advanced engines with various control inputs,
  e.g. flexible fuel injection timing, spark
  advance, variable cam phasing and lift, EGR,
  compression ration, and flexible fuel.)
• (Determine the impact of plug in hybrids and
  wide spread E-85 use on atmospheric pollutants)

BASF Octane Rating Engine
Brake system for Enige tests, with VAMs ECU
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Results-1
Total nitrogen oxide emission at the modes of the
ESC cycle with different fuels
The THC and CO emission as a function of the
alcohol content of the fuel
12
Results-2
Maximal torque at different speed, in case of
different fuel types