An Analysis of Green Propulsion Applied to NASA Missions
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(12) Patent Application Publication (10) Pub. No.: US 2009/0133788 A1 Mungas Et Al
US 200901.33788A1 (19) United States (12) Patent Application Publication (10) Pub. No.: US 2009/0133788 A1 Mungas et al. (43) Pub. Date: May 28, 2009 (54) NITROUS OXIDE FUEL BLEND Related U.S. Application Data MONOPROPELLANTS (60) Provisional application No. 60/986,991, filed on Nov. 9, 2007. (75) Inventors: Gregory Mungas, Arcadia, CA Publication Classification (US); David J. Fisher, Denver, CO (US); Christopher Mungas, (51) Int. Cl. Plymouth, CA (US); Benjamin C06B 47/04 (2006.01) Carryer, Denver, CO (US) (52) U.S. Cl. .......................................................... 149/74 (57) ABSTRACT Correspondence Address: Compositions and methods herein provide monopropellants HENSLEY KIM & HOLZER, LLC comprising nitrous oxide mixed with organic fuels in particu 1660 LINCOLN STREET, SUITE 3000 lar proportions creating stable, storable, monopropellants DENVER, CO 80264 (US) which demonstrate high ISP performance. Due to physical properties of the nitrous molecule, fuel/nitrous blends dem (73) Assignee: Firestar Engineering, LLC, onstrate high degrees of miscibility as well as excellent Broomfield, CO (US) chemical stability. While the monopropellants are particu larly well Suited for use as propulsion propellants, they also lend themselves well to power generation in demanding situ (21) Appl. No.: 12/268,266 ations where some specific cycle creates useable work and for providing gas pressure and/or heat for inflating deployable (22) Filed: Nov. 10, 2008 materials. Isp (NOFB3X at 100 psia Chamber Pressure) vs OF (To=298 K) ----------arrarilla-rule 2001 F --vacuum Eq v 2001 Ed T-ch T-th EQUBRUM { % - 4% 9%. 8. sash;94 -ko's -8%xxxx was wi:8%. g. gzge 8% is es: 8 as: 8 Patent Application Publication May 28, 2009 Sheet 1 of 17 US 2009/0133788A1 isp (NOFB3X at 100 psia Chamber Pressure) vs OF (To=298 K) --vacuum F -e-2001 F --vacuum Eq.- 2001 Ed T-ch T-th ------- 3500 350 d .. -