Results 81 to 90 of about 9,291 (187)

A Study on Optimal Operation of Methanol Steam Reforming System for Hydrogen Fuel Cell Propulsion Ships

Transactions of the Korean Hydrogen and New Energy Society, 2022
HEEJOO CHO, SOOBIN HYEON, SEUNGKYO JUNG, HYUNJIN JI, JUNGHO CHOI   +4 more
openaire   +1 more source

A review of NASA's propulsion programs for aviation [PDF]

A review of five NASA engine-oriented propulsion programs of major importance to civil aviation are presented and discussed. Included are programs directed at exploring propulsion system concepts for (1) energy conservation subsonic aircraft (improved ...
Johnson, H. W., Stewart, W. L., Weber, R. J.   +2 more
core   +1 more source

Feasibility study of hydrogen-ammonia synergistic combustion in scramjets across broad Mach ranges. [PDF]

Nat Commun
Song X, Cai Z, Ji J, Chen Z, Wang T, Li F, Sun M.   +6 more
europepmc   +1 more source

Micro-/nanoscale robotics for chemical and biological sensing. [PDF]

Lab Chip, 2023
Zheng L, Hart N, Zeng Y.
europepmc   +1 more source

Propulsion Investigation for Zero and Near-Zero Emissions Aircraft [PDF]

As world emissions are further scrutinized to identify areas for improvement, aviation s contribution to the problem can no longer be ignored. Previous studies for zero or near-zero emissions aircraft suggest aircraft and propulsion system sizes that ...
Berton, Jeffrey J., Brown, Gerald v., Dolce, James L., Dravid, Marayan V., Eichenberg, Dennis J., Freeh, Joshua E., Gallo, Christopher A., Geiselhat, Karl A., Jones, Scott M., Kascak, Albert F., Kundu, Krishna P., Marek, Cecil J., Millis, Marc G., Murthy, Pappu L., Roach, Timothy M., Smith, Timothy D., Snyder, Christopher A., Stefko, George L., Sullivan, Roy M., Tornabene, Robert T.   +19 more
core   +1 more source

Sustained interfacial powering through self-generated mantle and siphon of a gelling droplet. [PDF]

Nat Commun
Zhou C, Liu C, Shi R, Liang H, Tan H, Zhuang K, Guo J, Tang X.   +7 more
europepmc   +1 more source

Chemical approaches to carbon dioxide utilization for manned Mars missions [PDF]

Use of resources available in situ is a critical enabling technology for a permanent human presence in space. A permanent presence on Mars, e.g., requires a large infrastructure to sustain life under hostile conditions. As a resource on Mars, atmospheric
Hepp, Aloysius F., Kubiak, Clifford P., Landis, Geoffrey A.   +2 more
core   +1 more source

Active Propelled Micro Robots in Drug Delivery for Urologic Diseases. [PDF]

Micromachines (Basel)
Zhong C, Tang M, Cong Z.
europepmc   +1 more source

1D hydrogen engine modeling to investigate air-fuel ratio, spark timing, and water injection effects on performance and emissions. [PDF]

Sci Rep
Saied OM, Abdelwahab M.
europepmc   +1 more source

Antibacterial micro/nanomotors: advancing biofilm research to support medical applications. [PDF]

J Nanobiotechnology, 2023
Jiang Z, Fu L, Wei C, Fu Q, Pan S.
europepmc   +1 more source