Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Richard T. Hansen"'
Publikováno v:
2021 IEEE 48th Photovoltaic Specialists Conference (PVSC).
World energy use, doubling every 30 years, was 18.6 terawatt-years in 2018 when 2% of yearly energy use was provided by solar cells and wind turbines, both having doubled in cumulative installed capacity every 2.6 years since 1983. Should these doubl
Autor:
Lewis Fraas, Richard T. Hansen, Shirley F. Hansen, Larry Partain, Allan Newland, Joseph Stagner, James Stack
Publikováno v:
2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC).
Regression analysis of measured atmospheric CO 2 concentrations, global mean surface temperatures and human-managed world-GDP indicate that Paris Agreement thresholds of temperature rises of 1.5 and 2 ° C will be reached in 2026 and 2038 + 7 years r
Autor:
Richard T. Hansen, Lewis Fraas, Shirley F. Hansen, L.D. Partain, Dirk Bennett, Allan Newlands
Publikováno v:
2017 IEEE 44th Photovoltaic Specialist Conference (PVSC).
Analysis of atmospheric CO 2 concentrations, global mean surface temperatures, and a “Goldilocks” planet model that is neither too hot nor cold identifies how civilization could continue thriving beyond 2050–2080 (or earlier). It starts with th
Autor:
Dirk Bennett, Richard T. Hansen, Larry Partain, Allan Newlands, Lewis Fraas, Shirley F. Hansen
Publikováno v:
2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC).
Extrapolations of ‘Swanson's Law’ (a learning curve) and its replot project that solar cells (predominately crystalline Si so far) can match the world's current power generating capacity at lower costs than fossil fuels and with a net gain in job
Publikováno v:
Journal of clinical laser medicinesurgery. 15(3)
We determined that the Er:YAG pulsed 2.94 micron radiation was successful in the removal of caries, cavity preparation, and etching prior to acid etching.The laser group was compared to a control group in which the high-speed drill was employed. Para
Publikováno v:
Solar Physics. 65:357-368
During solar cycle No. 20 new insight into the flare-spray phenomenon has been attained due to several innovations in solar optical-observing techniques (higher spatial resolution cinema-photography, tunable passband filters, multislit spectroscopy a
Publikováno v:
Solar Physics. 34:447-452
On 16 June 1972, the Naval Research Laboratory's coronagraph aboard OSO-7 tracked a huge coronal cloud moving outward from the Sun. Concurrent observations of the inner corona made by the High Altitude Observatory at Mauna Loa showed bifurcation of t
Publikováno v:
Solar Physics. 34:453-459
Publikováno v:
Solar Physics. 35:171-179
The association of flare sprays, distortions of the overlying coronal structures and moving type IV radio bursts is a reasonable one and is well accepted despite the paucity of observational evidence. On 1972, August 12, there occurred a flare spray
Publikováno v:
Solar Physics. 10:135-149
Autocorrelation analyses of K-coronameter observations made at Haleakala and Mauna Loa, Hawaii, during 1964–1967 have established average yearly rotation rates of coronal features as a function of latitude and height above the limb. At low latitude