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DOE Co-Funds 12 Projects to Increase Engine Efficiency

The US DOE announced $87.5 million in co-funding to support 12 projects developing advanced combustion engine and waste heat recovery technologies.

The projects, with a total value of $175 million (50%, or $87.5 million, of which is contributed by industry) focus on increasing engine efficiency while maintaining low emissions.

The Administration has set of goal of improving engine efficiency from 30% (the 2004 baseline) to 45% by 2012 for passenger vehicles and from 40% (2002 baseline) to 55% by 2013 for commercial vehicles. Such increases in thermal efficiency would result in a projected concomitant reduction in engine fuel consumption of 10%–15%.

Energy_path_gasoline_ice

The efficiency of an internal combustion engine refers to the percentage of the energy resulting from the combustion that actually is applied to moving the car or running the accessories.

The diagram at the right (Click to enlarge) depicts the energy split in a gasoline-powered internal combustion engine. Of the 100% energy available from combustion, only about 25% actually gets applied to moving the car or running the accessories (+5% for the parasitic and friction losses—hence the 30% figure above). Diesel engines and lean combustion gasoline engines fare somewhat better: 35% of the energy flows to mobility and accessories.)

What the research described below is trying to do is alter the ratios so that the effective power for propulsion increases.

Seven of the twelve projects focus on advanced combustion technology with a heavy focus on HCCI (Homogeneous Charge Compression Ignition—earlier post). There is also an diesel-compressed-air hybrid truck powertrain under development. The remaining projects deal with technologies to convert waste heat from engines to electrical or mechanical energy (related post).

A summary of the projects follows, along with DOE/Industry costs.

ADVANCED COMBUSTION

Caterpillar and its research team will work with HCCI using a combination of enhanced engine sensors, intelligent engine control, variable compression ratios, and fuel composition. Its target is a low-temperature, high-efficiency engine for truck or non-road machine use.  Team members include ExxonMobil, Sandia National Laboratory and IAV Automotive. (DOE: $10.4 million / Industry: $10.4 million)

Cummins and its team are developing variable valve timing and premixed charge compression ignition (PCCI) technologies. The project includes the demonstration of engines for both passenger and commercial vehicles and the compatibility of the technology with renewable fuels. Team members include International, DaimlerChrysler, British Petroleum, Lawrence Livermore National Laboratory and Oak Ridge National Laboratory. (DOE: $15 million / Industry: $15 million)

Detroit Diesel is working to combine several processes that enhance engine combustion individually into one system that enables high-efficiency clean combustion.  The team will also investigate fuel matrix effects, including renewable fuels. This project is to develop engine system hardware and controls to improve thermal efficiency of commercial engines while meeting emissions levels of 2010 and beyond. Team members include Oak Ridge National Laboratory, Sandia National Laboratory, Freightliner, Schneider, Shell and DaimlerChrysler. (DOE: $19.5 million / Industry: $21.9 million)

GM Powertrain is working with variable valve timing technologies to support HCCI operation on both spark ignition (gasoline) and diesel engines. Team members include Sturman Industries. (DOE: $6.2 million / Industry: $6.2 million)

International Truck and Engine is researching the development and application of HCCI combustion over as large an operating range as possible by integrating commercial or near-commercial fuel, air, and engine technologies (variable valve timing, variable compression ratio, variable nozzle turbocharging, and fuel injection equipment) with advanced controls.  Demonstration will be in a commercial diesel engine. Team members include Ricardo, Borg-Warner Turbo, Jacobs Vehicle Systems, Siemens, Mahle, Lawrence Livermore National Laboratory, UC Berkeley, Argonne National Laboratory and Conoco-Phillips. (DOE: $6.4 million / Industry: $8.1 million)

John Deere  will develop a stoichiometric compression-ignition engine with low-pressure loop cooled exhaust gas recirculation (EGR) and a diesel particulate filter followed by a three-way catalyst.  Combustion will be similar to conventional diesel combustion with lower peak temperatures.  A commercial diesel engine will be modified with a high injection pressure fuel system, variable valve timing and advanced electronic controls along with aftertreatment and low pressure loop EGR system.  Team members include Sturman Industries, Ricardo Technologies and Purdue University. (DOE: $2.7 million / Industry: $2.7 million)

Mack Trucks will develop and demonstrate an diesel-compressed-air hybrid with a projected improvement in fuel efficiency of 15%. During braking, the air-power-assist (APA) engine would utilize braking energy to work as a compressor, pumping compressed air into an on-board tank. (Similar to the Hydraulic Launch Assist approach taken by Eaton and Peterbilt—earlier post). During acceleration the engine is powered by the compressed air with or without burning diesel fuel until the compressed air is depleted.  The key technology development required for the APA engine is a fully-flexible engine valve actuation system.  The technology will be tested on a commercial diesel engine. Team members include UCLA, Sturman Industries and Advanced Energy Systems. (DOE: $1.8 million / Industry: $1.8 million)

EXHAUST ENERGY RECOVERY

Caterpillar will develop a new air management and exhaust energy recovery system for commercial diesel engines. Electric turbocompounding and high efficiency air system technology will be key technology building blocks developed. (DOE: $3.9 million / Industry: $3.9 million)

Cummins will develop a waste heat recovery system to support clean and efficient combustion and reduce heat rejection. This will include limited design and development of components, subsystems and associated electronic controls with integration into a commercial vehicle. Team members include International, Indiana University-Purdue University, University of Illinois-Urbana Champagne, Oak Ridge National Laboratory, Pacific Northwest National Laboratory and the National Institute of Science and Technology (NIST). (DOE: $5.5 million / Industry: $5.5 million)

Detroit Diesel will evaluate and cull a variety of engine-based technologies to partially recover and convert exhaust energy into useful mechanical and electrical work.   Team members include Freightliner, Schneider and Holset Turbochargers. (DOE: $7.6 million / Industry: $7.6 million)

John Deere will develop turbo compounding in heavy-duty applications including both agricultural tractors and on-highway trucks. Team members include Eaton, EMP and Ricardo Technologies. (DOE: $4.8 million / Industry: $4.8 million)

Mack Trucks will integrate a turbocharger and compounded turbine into an overall system that would include a continuously variable transmission (CVT) to optimize performance.  The complete engine/CVT will be demonstrated in commercial diesel vehicles.  Team members include Volvo and Silvatech Industries. (DOE: $1.7 million / Industry: $1.7 million)

Comments

anil kumar

i am final year diploma student . i am looking for a project for my final year in mechanical engg. I've searched a lot, but i did not find anything interesting.
please give me some ideas.

omesh

I am final year diploma student. I want to work on a project my final year semester. please suggest me some small and economic projects.

navin

iam a final year BE student.iam willing to do a project in transmission system but iam not able to get any good ideas.please suggest me some good ideas.thank u

mangesh phadtare

i am final year diploma student. i want to work on project .kindly suggest some economical project...

ujjwal

i am BE 3rd year student.suggest me some college level projects

ankit jain

i am mech engg final year degree student. i want to work on project .kindly suggest some economical project...,its urgent

ankit jain

i am mech engg final year degree student. i want to work on project .kindly suggest some economical project...,its urgent

suraj gaikwad.

sir, i want information about typical cycle of i.c ingine

amar nath nishad

sir
i am a student of B.E.MECH.ENGG.(final year).we have to do a project related to automobile or machinery.
please suggest some good project.
thanks.

Jeevan

Please check out this amazing technology :

http://www.somender-singh.com

Gaurav Rajput

Dear Sir,
Greetings !
I am a B.Tech student in mechanical enginnering in the Third year. I have decided to act upon my seminar topic as Green engine technology. For the same i could not make my self confident enough without the photograpshs to explain the things to the participents. Please suggest me some photograph to built a conceptual frame for the audiance and what should be the suitable presentation form.Please tell me "Cycle of Prosses of green Engine"
Eagerly waiting in anticipation.

sudhan

am an engineering student in mechanical specialisation. i have to do a project in my last semester. am interested to it in automobile,some thing different, it mean to improve fuel efficiency, to reduce the heat generation and soon . . .

sudhan

am an engineering student in mechanical specialisation. i have to do a project in my last semester. am interested to it in automobile,some thing different, it mean to improve fuel efficiency, to reduce the heat generation and soon . . .

vijay raj

sir i m doing seminar on the topic of green engine effect so i need ur help .first is this came into the manufacturing of automobile or working ? what is the technology in this "green engine effect"

so i will be very thankful if u give me all detail related to this .
so bii

prateek verma

sir,
i am a final year mechanical engg. student . i m doing seminar on green engine technology.for that i need detailed information on this topic.so plzzzzzz
send me information on it. it's very helpful for me
thankssss

chandan

Sir,
i am a final year mechanical engg. student . i m doing seminar on green engine technology.for that i need detailed information on this topic.so plzzzzzz
send me information on it. it's very helpful for me
thankssss

k.santosh kumar

dear sir,
i am acurrently studying my mechanical 4\4 .
i am project leader so can u suggest me for my project

vamsi

sir i want to know the relation between vcr and inlet valve timing

mahesh

i am final year diplomo . i want to work on a project.kindly sugest some economical project.its urjent

mahesh

i am final year diplomo . i want to work on a project.kindly sugest some economical project.its urjent

Avik Srivastava

I am a student of mechanical stream final year. I have to make a project this year. I am interested in making a project related to automobiles .Can you suggest me any good project related to this field. I will be greatly thankful.

Avik Srivastava

kumaran

sir,
my seminer topice is green disel engine.so i want u r help.pls send wt is green disel engine and working function...pls i want some images.
thank u sir

sridhar

hi, i am b.tech mechanical final year , pls suggest me some project dto do,

sonal

sir m btech student... m interested in doing a small scale project on speed control in toy car...suggest me an easy idea..

gaurav khandelwal

sir i am working on a project on engine which works only on air, but the problem is that the air should also be ignited in the engine without any fuel.
so could u guide me on this difficulty

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