Proton Heating Cooling Hours

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Heating and cooling of protons in the fast solar wind ...

    https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2011JA016674
    [1] The proton thermal energetics in the fast solar wind between 0.3 and 1 AU is reinvestigated using the Helios 1 and 2 data. Closer to the Sun, it is estimated that, to account for the observed radial profiles of the proton parallel and perpendicular temperature, nonnegligible parallel cooling and perpendicular heating are necessary.

Proton Heating & Cooling | Better Business Bureau® Profile

    https://www.bbb.org/us/il/chicago/profile/air-conditioning-contractor/proton-heating-cooling-0654-88668752
    Business Profile for Proton Heating & Cooling. Air Conditioning Contractor. Business Profile. Proton Heating & Cooling. 6400 W Bloomingdale Ave. Chicago, IL 60707-4004 ...

Heating and cooling of protons by turbulence-driven ion ...

    https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/1998JA900126
    HEATING AND COOLING OF PROTONS IN THE FAST SOLAR WIND etary space have important implications for the mech- anisms responsible for coronal heating and solar wind acceleration. Attempts to include the proton tempera- ture anisotropy in solar wind models were made earlier by Leer and Axford [1972] and more recently by Sand- ...

Proton temperature properties in the solar wind ...

    https://www.sciencedirect.com/science/article/pii/0032063387900870
    The heliocentric radial gradient of proton tempeature tends to decrease in high-speed regions owing to heat generation accompanied by a velocity increase of more than 50 km s −1 per hour. Temperature measurements in the region with decreasing or nearly constant flow velocity reveal cooling of the form R −0.9 ≈−12, still slower than the adiabatic case.

SOLAR WIND TEMPERATURE AND SPEED

    https://ntrs.nasa.gov/api/citations/19730003092/downloads/19730003092.pdf
    quantitative relation between the average solar wind proton.temp~ratureT observed at a.given speed V and that speed. Bur1aga and Ogilvie emphasized the importance of the T-V relation as a constraint' on solar wind theories and as a clue to the heating and accelerating mechanism. They suggested that this relation is due to proton heating within sO~.

Some durability considerations for proton exchange …

    https://www.energy.gov/sites/prod/files/2014/03/f9/high_temp_hamrock.pdf
    An initial heating rate of 50°C/min was applied, with a resolution setting of 4.0. Under these conditions, the instrument heats until weight loss is detected, the temperature stabilizes until weight loss diminishes, and then heating recommences.

High Temperature Proton Exchange Membrane …

    https://eere.energy.gov/hydrogenandfuelcells/pdfs/nn0123y.pdf
    Membrane is stable ≥800 hours 0 0.2 0.4 0.6 0.8 1 1.2 1.4 0 200 400 600 800 time (hours) current density (A/cm 2) Conditions: 0.5 V cell voltage 80°C cell temp. full humidification Anode: hydrogen 30 psig 0.2 mg Pt/cm2 carbon supported catalyst Cathode: air 30 psig 0.4 mg Pt/cm2 carbon supported catalyst note: no change in cell resistance over the entire test

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