Search NASA⌕ Search

SEARCH · Search NASA

Results for “LOS ALAMOS”

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.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

At least 253 records · Page 14
All sourcesNASA NTRSDOE OSTI
DOE OSTI2023

Los Alamos National Laboratory Double Shell Program Target Development

The Double Shell Program at Los Alamos National Laboratory is studying an alternative platform for achieving robust alpha-particle heating at the National Ignition Facility. Double shells benefit from having a low convergence ratio and lower predicted temperature for achieving volume ignition. The joint required to assemble a double shell has an imperfection in the outer shell that seeds instabilities that can greatly impact the inner capsule’s implosion at bang time. Furthermore, different variations of the shape and placement of the joint were implemented with improvements in the quality of the machining leading to measurable improvements in yield. High-Z coatings on the outer joint mitigated the impact of the 1- to 2-μm gap sometimes found in double shell assemblies.

70 PLASMA PHYSICS AND FUSION TECHNOLOGY↗
DOE OSTI2015

Los Alamos National Laboratory RD 2015 Profile

A vital, multidisciplinary national security science laboratory, Los Alamos National Laboratory applies science and technology to help solve the nation’s toughest challenges. Outstanding science is the foundation for the past, present, and future. A rich variety of research programs directly and indirectly support the Laboratory’s basic mission: to ensure the safety, security, and reliability of the nation’s nuclear deterrent; reduce global threats; and solve emerging national security energy challenges. The Laboratory also works on nuclear nonproliferation and border security, energy and infrastructure security, and measures to counter nuclear and biological terrorist threats.

99 GENERAL AND MISCELLANEOUS↗
DOE OSTI2016

An Overview of the Los Alamos Inertial Confinement Fusion and High-Energy-Density Physics Research Programs

The Los Alamos Inertial Confinement Fusion and Science Programs engage in a vigorous array of experiments, theory, and modeling. We use the three major High Energy Density facilities, NIF, Omega, and Z to perform experiments. These include opacity, radiation transport, hydrodynamics, ignition science, and burn experiments to aid the ICF and Science campaigns in reaching their stewardship goals. The ICF program operates two nuclear diagnostics at NIF, the neutron imaging system and the gamma reaction history instruments. Both systems are being expanded with significant capability enhancements.

70 PLASMA PHYSICS AND FUSION TECHNOLOGY↗
DOE OSTI2017

Materials Modeling at Los Alamos

This briefing describes some the materials theory, modeling and simulation capability at Los Alamos National Laboratory.

36 MATERIALS SCIENCE↗
DOE OSTI2021

Engineering Space Mission Support at Los Alamos National Laboratory [Slides]

This talk focuses on engineering space mission support at Los Alamos National Laboratory (LANL). In many cases, LANL is one of many participants on a particular space mission. There are many other space activities at institutions and government agencies worldwide, some of which are closely related to the ones describe in this talk.

42 ENGINEERING↗
DOE OSTI2023

Women of Los Alamos [Slides]

This presentation provides a brief overview of women's history at Los Alamos National Laboratory spanning from World War II to present day.

99 GENERAL AND MISCELLANEOUS↗
NASA NTRS1991

Brief review of Rover fuel development at Los Alamos

A brief review of the graphite matrix uranium fuel development efforts at Los Alamos from 1955 through 1972 is presented. The uses of graphite flour carbon black, various binders, uranium dioxide, coated UC2 particles, and zirconium carbide in this development are described.

Davidson, Keith V.↗
DOE OSTI2017

Los Alamos on Radio Café: Nina Lanza

First up in the new series is Los Alamos National Laboratory’s Nina Lanza from the Space and Remote Sensing group. Lanza is a planetary geologist who has been part of the Mars Curiosity Rover “ChemCam” team since 2012.

47 OTHER INSTRUMENTATION↗
DOE OSTI2017

Los Alamos National Laboratory nuclear criticality safety pipeline for expedited qualification of personnel

The Los Alamos National Laboratory (LANL) Nuclear Criticality Safety (NCS) Pipeline is a method of accelerating the training and qualification of its next generation nuclear criticality safety professionals. An upper division university course in NCS will be offered at participating universities; students who perform well can participate in a summer internship in the LANL NCS Division the following summer focusing on NCS practices and facility specific training for qualification. Standout students may proceed with a criticality safety oriented research project worked during the senior academic year. The culmination of the pipeline is the hiring of students as full time personnel. This practice reduces the uncertainty around knowing whether the individual: -1) has the technical skills, knowledge, and abilities to succeed in criticality safety, -2) will be able to effectively integrate within the organization, and -3) is interested enough in the discipline to reduce potential retention issues. This approach will address significant challenges in the NCS industry, including rising attrition rates over the next two decades, significant time and resources typically required to train qualified criticality safety professionals once hired, and the absence of available NCS-related academic course work available at colleges and universities. The university pipeline results in several benefits: -1) reduced training time and costs, -2) interested students will naturally self-sort and pursue the discipline at the university level, and -3) a pipeline of criticality safety candidates is readily available within the DOE Complex so that unexpected organizational or mission changes can be reacted to with increased agility. (authors)

96 KNOWLEDGE MANAGEMENT AND PRESERVATION↗
DOE OSTI2018

Sediment Transport Mitigation in Watersheds on Los Alamos National Laboratory - 18669

Chemicals released into the environment from historical activities at Los Alamos National Laboratory are still present in surface water and groundwater. In streams, which are mostly ephemeral on Laboratory land, chemicals tend to bind to sediment and are transported downstream via entrainment in storm water runoff during precipitation events. In several watersheds across the Laboratory, sediment transport mitigations have been installed to stymie the movement of contaminated sediments. These mitigations include: grade-control structures, sediment detention basins, riparian and in-channel vegetation plantings, wetland restoration and promotion, and vegetative buffers. These mitigations have been implemented with the overall goals of minimizing the potentially erosive nature of storm water runoff, enhancing deposition of sediment, and reducing access of contaminated sediments to storm water. These mitigations are monitored using stream gaging stations, precipitation gaging stations, and storm water sampling, including monitoring locations that bound the mitigation sites. Stage height/discharge is monitored at 5 minute intervals at a series of gaging stations. Precipitation data are collected across the Laboratory by means of 5 meteorological towers and an extended network of 14 precipitation gages. Sampling for analytical suites specific to each reach of the watershed is conducted using portable automated samplers. Sampling equipment and the extended rain gage network are deactivated during the winter/spring months (December to May) and reactivated in the summer/fall months (June to November) to capture monsoonal precipitation events and associated streamflow and to avoid damage to the equipment. Attenuation of flow and associated sediment transport are primary goals of the sediment transport mitigation activities. Decreasing flow velocity allows for increased infiltration, thus reducing peak discharge, reducing the distance the flood bore travels downstream, and reducing the distance suspended sediment and associated contaminants entrained in the storm water travel downstream. Data analyses of flow and suspended sediment concentrations performed over the past seven years indicate that these mitigations are performing as designed. (authors)

12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE W↗