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|a (TOE)ost150942
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|a E 1.99:CONF-960204--1
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|a E 1.99:UCRL-JC--121374
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|a E 1.99:CONF-960204--1
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|a UCRL-JC--121374
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|a CONF-960204--1
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|a DE96003241
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|a Optimization of a CNG series hybrid concept vehicle
|h [electronic resource]
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| 260 |
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|a Washington, D.C. :
|b United States. Dept. of Energy ;
|a Oak Ridge, Tenn. :
|b distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,
|c 1995.
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| 300 |
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|a 35 p.
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| 336 |
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|a text
|b txt
|2 rdacontent.
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| 337 |
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|a computer
|b c
|2 rdamedia.
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| 338 |
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|a online resource
|b cr
|2 rdacarrier.
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| 500 |
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|a Published through the Information Bridge: DOE Scientific and Technical Information.
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| 500 |
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|a 09/22/1995.
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| 500 |
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|a "UCRL-JC--121374"
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| 500 |
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|a "CONF-960204--1"
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| 500 |
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|a "DE96003241"
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| 500 |
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|a International congress and exposition of the Society of Automotive Engineers (SAE), Detroit, MI (United States), 26-29 Feb 1996.
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| 500 |
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|a Smith, J.R.; Perkins, L.J.; Aceves, S.M.; Flowers, D.L.; Haney, S.W.
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| 520 |
3 |
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|a Compressed Natural Gas (CNG) has favorable characteristics as a vehicular fuel, in terms of fuel economy as well as emissions. Using CNG as a fuel in a series hybrid vehicle has the potential of resulting in very high fuel economy (between 26 and 30 km/liter, 60 to 70 mpg) and very low emissions (substantially lower than Federal Tier II or CARB ULEV). This paper uses a vehicle evaluation code and an optimizer to find a set of vehicle parameters that result in optimum vehicle fuel economy. The vehicle evaluation code used in this analysis estimates vehicle power performance, including engine efficiency and power, generator efficiency, energy storage device efficiency and state-of-charge, and motor and transmission efficiencies. Eight vehicle parameters are selected as free variables for the optimization. The optimum vehicle must also meet two perfect requirements: accelerate to 97 km/h in less than 10 s, and climb an infinitely long hill with a 6% slope at 97 km/h with a 272 kg (600 lb.) payload. The optimizer used in this work was originally developed in the magnetic fusion energy program, and has been used to optimize complex systems, such as magnetic and inertial fusion devices, neutron sources, and mil guns. The optimizer consists of two parts: an optimization package for minimizing non-linear functions of many variables subject to several non-linear equality and/or inequality constraints and a programmable shell that allows interactive configuration and execution of the optimizer. The results of the analysis indicate that the CNG series hybrid vehicle has a high efficiency and low emissions. These results emphasize the advantages of CNG as a near-term alternative fuel for vehicles.
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| 536 |
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|b W-7405-ENG-48.
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| 650 |
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7 |
|a Hybrid Electric-powered Vehicles.
|2 local.
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| 650 |
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7 |
|a Automotive Fuels.
|2 local.
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| 650 |
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7 |
|a Evaluation.
|2 local.
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| 650 |
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7 |
|a Hybrid Systems.
|2 local.
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| 650 |
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7 |
|a Optimization.
|2 local.
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| 650 |
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|a Natural Gas.
|2 local.
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| 650 |
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7 |
|a Fuel Systems.
|2 local.
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| 650 |
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7 |
|a Fuel Consumption.
|2 local.
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| 650 |
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7 |
|a Advanced Propulsion Systems ;03 Natural Gas.
|2 edbsc.
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| 710 |
2 |
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|a Lawrence Livermore National Laboratory.
|4 res.
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| 710 |
2 |
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|a United States.
|b Department of Energy.
|4 spn.
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| 710 |
2 |
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|a United States.
|b Department of Energy.
|b Office of Scientific and Technical Information.
|4 dst.
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| 856 |
4 |
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|u http://www.osti.gov/servlets/purl/150942-TXYqnj/webviewable/
|z Online Access
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| 907 |
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|a .b5664971x
|b 03-06-23
|c 12-20-09
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| 998 |
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|a web
|b 12-20-09
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| 952 |
f |
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|p Can circulate
|a University of Colorado Boulder
|b Online
|c Online
|d Online
|e E 1.99:CONF-960204--1
|h Superintendent of Documents classification
|i web
|n 1
|
