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The SPICE experiment shows what stage the research is at. It's no longer just computer models. It's in line to go live, real world open air testing.
Engineers from the University of Cambridge and Marshall Aerospace will assess the effect of wind on tethered ballon at a height of 1 km while at the same time pumping water at a rate of around 100 kg/hour.[8] They will be using the data obtained from these tests in computer models aimed at examining how a full-scale tethered balloon might behave in the high winds experienced at altitudes up 20 km.
originally posted by: MagicWand67
The SPICE experiment shows what stage the research is at. It's no longer just computer models. It's in line to go live, real world open air testing.
originally posted by: MagicWand67
a reply to: network dude
a reply to: Aloysius the Gaul
Why am I not surprised by the juvenile responses you both display?
What's the big joke here?
ACCESS 2
The flights are part of the Alternative Fuel Effects on Contrails and Cruise Emissions or ACCESS II experiment, which is measuring and characterizing airborne emissions from the DC-8 as it burns both conventional jet fuel and blended alternative fuels, including a biofuel. NASA, with research partners from Germany and Canada, is investigating fuel effects on aircraft cruise emissions and contrail formation.
Within NASA, ACCESS II is a joint project involving Armstrong Flight Research Center, California; Langley Research Center, Virginia; and Glenn Research Center in Cleveland. The research supports NASA aeronautics' strategic vision, which has as a goal to enable transition of industry to low-carbon fuels and alternative propulsion systems.
NASA took to the skies today -- along with international partners the German Aerospace Center (DLR) and National Research Council of Canada (NRC) -- to begin a series of flight tests to gather critical data that may aid in the development of cleaner aircraft fuels.
The flight tests over Palmdale, California, called Alternative Fuel Effects on Contrails and Cruise Emissions II (ACCESS II), include NASA's DC-8 and HU-25C Guardian, DLR's Falcon 20-E5, and NRC's CT-133 research aircraft.
NASA's DC-8 leads the flight formation as the "guinea pig" of this experiment. Its engines will burn various fuel blends, while the Falcon and CT-133 measure emissions and observe contrail formation from the DC-8.
Flying as high as 40,000 feet, the DC-8's four CFM56 engines burn either traditional jet fuel JP-8 or a 50-50 blend of JP-8 and renewable alternative fuel of hydro processed esters and fatty acids produced from camelina plant oil.
Source
NASA displayed an impressive array of hi-tech aircraft used in its Alternative Fuel Effects on Contrails and Cruise Emissions (ACCESS II) flight experiment during a media day for reporters from around the world.
On May 20, NASA Armstrong Building 703, at Palmdale, California, hosted the Alternative Fuel Effects on Contrails and Cruise Emissions (ACCESS II) flight experiment media day.
The event gave reporters the opportunity to learn more about scientific research being conducted on the effects of alternate fuels, including synthetic and biofuel formulations, on engine performance, emissions and aircraft-generated contrails at altitudes typically flown by commercial airliners.
AERONET
The AERONET (AErosol RObotic NETwork) program is a federation of ground-based remote sensing aerosol networks established by NASA and PHOTONS (PHOtométrie pour le Traitement Opérationnel de Normalisation Satellitaire; Univ. of Lille 1, CNES, and CNRS-INSU) and is greatly expanded by collaborators from national agencies, institutes, universities, individual scientists, and partners. The program provides a long-term, continuous and readily accessible public domain database of aerosol optical, microphysical and radiative properties for aerosol research and characterization, validation of satellite retrievals, and synergism with other databases. The network imposes standardization of instruments, calibration, processing and distribution.
AERONET collaboration provides globally distributed observations of spectral aerosol optical depth (AOD), inversion products, and precipitable water in diverse aerosol regimes. Aerosol optical depth data are computed for three data quality levels: Level 1.0 (unscreened), Level 1.5 (cloud-screened), and Level 2.0 (cloud-screened and quality-assured). Inversions, precipitable water, and other AOD-dependent products are derived from these levels and may implement additional quality checks.
The campaign will employ NASA aircraft to make a series of flights, with scientific instruments on board to measure gaseous and particulate pollution, beginning in 2011. The series of flights -- which will be made by NASA Langley's King Air and NASA's P-3B – will commence over Baltimore-Washington, D.C. in 2011.
Other future flights may include Houston (2013); Sacramento (2013); and a final site in 2014 to be determined. The measurements will be taken in concert with ground observations in order to shed light on how satellites could be used to make similar, consistent measurements over time, with the ultimate goal of putting better data in the hands of policymakers and elected officials.
originally posted by: MagicWand67
Air Quality and Bio-fuels testing
Could these tests be used to study SRM?
originally posted by: MagicWand67
a reply to: DenyObfuscation
Sorry if I didn't sugar coat it enough for you sweet pea.
I tell it like I see it.
originally posted by: MagicWand67
a reply to: network dude
a reply to: Aloysius the Gaul
Why am I not surprised by the juvenile responses you both display?
What's the big joke here?
originally posted by: Aloysius the Gaul
originally posted by: MagicWand67
Air Quality and Bio-fuels testing
Could these tests be used to study SRM?
no.
SRM studies could study SRM.
NASA
The story so far
Measurements taken during ACCESS I in 2013 of the burned blended fuel showed soot emissions were reduced by 40 to 60 percent compared to JP-8 fuel by itself, according to Bruce Anderson, NASA's principal investigator for the ACCESS program.
"We saw big changes in soot emissions from the DC-8, but we weren't able to make clear ties between the type of fuel burned and formation of contrails. So for ACCESS II we really want to dig into that," Anderson said.
Understanding more about contrail formation is important because they are considered an essential variable in discussions about climate change.
To help test at least one of those possibilities, for ACCESS II the DC-8 will fly with both a low sulfur and high sulfur grade of JP-8 jet fuel.