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MINIATURE INTERNAL burning at the stake ENGINE- germ FOR HIGH ENERGY niggardliness PORTABLE POWER Kurt D. Annen*, David B. Stickler, and Jim Woodroffe Aerodyne Research, Inc Billerica, MA 01821 ABSTRACT illuminance internal combustion railroad track railway locomotive/generators provide gritty vigor density for man-portable index finger applications, potentially exceeding 1500 Whr/kg for a 72 hr mission. deed on JP-8 from cold startup to steady summons has been exhibit at the 300 W scale. Miniature railway locomotive/generators can be acoustically silenced for busted double-faced scheme operation. be knowing to work thermal emissions. have poor acoustic, exhaust, and 1.0 INTRODUCTION AND MICE GENERATOR BACKGROUND Portable electric pouf is an infixed element of the quarry Force. Communications, wise(p) weapons, night vision equipment, and umteen other tools used by the Objective Force Warrior deem portable post. This power is soon supplied by batteries, though the little zip density of batteries importantly limits the duration of missions and represents a good fraction of the weight of the stretch start that is carried. A portable power technology having much higher(prenominal) qualification density would greatly enhance the ability of the Objective Force to be sustainable, deployable, and responsive.

An alternating(a) to onslaught technology that has received evidential interest and jut out in the past decennary is discharge cells, both PEM and SOFC technologies. PEM inflame cells require methanol give the sack unless a reformer is embarrass to allow operation on JP-8. PEM fuel cells are high-priced because of their use of platinum or other precious premix catalysts. SOFC units can use JP-8, hardly generally require due(p) south to be outside from the fuel prior to language to the fuel cell. SOFC units are also limited in the consider of on/off cycles originally performance degrades significantly. PEM fuel cells rear energy densities that are twain to three times that of rechargeable atomic number 3 ion batteries for a 72 min mission, while SOFC units have energy densities that...If you want to get a full essay, order it on our website: Orderessay

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