Results 161 to 170 of about 655,925 (308)

Range safety signal propagation through the SRM exhaust plume of the space shuttle [PDF]

open access: yes
Theoretical predictions of plume interference for the space shuttle range safety system by solid rocket booster exhaust plumes are reported. The signal propagation was calculated using a split operator technique based upon the Fresnel-Kirchoff integral ...
Boynton, F. P.   +3 more
core   +1 more source

Key results of the mini-dome Fresnel lens concentrator array development program under recently completed NASA and SDIO SBIR projects [PDF]

open access: yes
Since 1986, ENTECH and the NASA Lewis Research Center have been developing a new photovoltaic concentrator system for space power applications. The unique refractive system uses small, dome shaped Fresnel lenses to focus sunlight onto high efficiency ...
Fraas, Lewis M.   +2 more
core   +1 more source

Hybrid Multiphase Fresnel Lenses on Silicon Wafers for Terahertz Frequencies [PDF]

open access: hybrid, 2023
Surya Revanth Ayyagari   +2 more
openalex   +1 more source

A modified linear fresnel lens

open access: yesInternational Journal of Energy Research, 1982
A. K. Singhal   +3 more
openaire   +1 more source

Home - About - Disclaimer - Privacy