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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 487 records · Page 27
All sourcesNASA NTRSDOE OSTI
DOE OSTI2018

Optimizing vehicle recharging to maximize use of energy generated from particular identified sources

Implementations of the present invention contemplate utilizing a communicative infrastructure represented by a telematics unit of an electric vehicle and a telematics service provider (TSP) communicatively coupled to the telematics unit to control an amount of power reserved for a charging event of the vehicle. Specifically, the TSP utilizes information provided by the telematics unit, electrical power utilities, and electrical power metering devices to determine the characteristics of electrical energy available for charging the vehicle. The TSP can utilize the characteristics of the available energy along with additional information, such as charging preferences established by a subscriber of the TSP and vehicle use schedules, to determine an amount of power to reserve for the charging event. The amount of power reserved for the charging event may be determined based on cost, greenhouse gas emissions, a combination thereof, and on other factors.

33 ADVANCED PROPULSION SYSTEMS↗
DOE OSTI2019

Passive Absorbers for Maximizing the Performance of the Mu2e-II Experiment

The Fermilab’s Mu2e experiment is designed to search for Charged Lepton Flavour Violation in direct, neutrinoless conversion of a muon into an electron in the presence of a nuclear electromagnetic field. The quantity, which is observed is the ratio between the rate of the above BSM (Beyond Standard Model) conversion reaction and the rate of muon capture on the nucleus. The measurement precision is expected to reach up to 10 -17 [1]. Mu2e-II is the name for the second phase of the experiment, which is planned to run with the lower energy, higher intensity primary proton beam provided by the PIP-II [2] accelerator, currently under construction. Ionization cooling with a wedge absorber is introduced into Mu2e-II setup to potentially increase the number of low momentum muons reaching the target. A study is made into the position and size of the wedge inside the beamline using G4Beamline simulation framework. Results show an increase up to 12% for muons with momentum P below 30 MeV/c and 7% for muons with P <40 MeV/c when the beam is measured right after the wedge. Further studies are necessary to investigate how this gain can be delivered to the stopping target.

43 PARTICLE ACCELERATORS↗