Search Results

open access

Low-cost flywheel demonstration program. Final report

Description: The Applied Physics Laboratory/Department of Energy Low Cost Flywheel Demonstration Program was initiated on 1 October 1977 and was successfully concluded on 31 December 19'9. The total cost of this program was $355,190. All primary objectives were successfully achieved as follows: demonstration of a full-size, 1)kWh flywheel having an estimated cost in large-volume production of approximately $50/kWh; developmeNt of a ball-bearing system having losses comparable to the losses in a totally magn… more
Date: April 1, 1980
Partner: UNT Libraries Government Documents Department
open access

Problems of hydroelectric development at existing dams: an analysis of institutional, economic, and environmental restraints in Pennsylvania, New Jersey, and Maryland

Description: The methodology that has been developed to analyze the impact of possible government actions on the development of small-scale hydroelectric power in the United States is described. The application of the methodology to a specific region of the United States is also described. Within the Pennsylvania-New Jersey-Maryland (PJM) region, the methodology has been used to evaluate the significance of some of the existing institutional and economic constraints on hydroelectric development at existing … more
Date: April 1, 1979
Creator: Taylor, R. J. & Green, L. L.
Partner: UNT Libraries Government Documents Department
open access

Low-cost flywheel demonstration program. Final report, 1 October 1977-31 December 1979

Description: The Applied Physics Laboratory/Department of Energy Low Cost Flywheel Demonstration Program was initiated on 1 October 1977 and was successfully concluded on 31 December 1979. The total cost of this program was $355,190. All primary objectives were successfully achieved as follows: demonstration of a full-size, 1-kWh flywheel having an estimated cost in large-volume production of approximately $50/kWh; development of a ball-bearing system having losses comparable to the losses in a totally magn… more
Date: April 1, 1980
Creator: Rabenhorst, D. W.; Small, T. R. & Wilkinson, W. O.
Partner: UNT Libraries Government Documents Department
open access

Energy programs at The Johns Hopkins University Applied Physics Laboratory. Quarterly report, January--March 1979

Description: Work on developing energy resources, utilization concepts, and storage methods is summarized and divided into three sections. The first, Geothermal Energy Development Planning, contains reports on the progress of those geothermal-related tasks where effort was concentrated during the quarter. The tasks include an ongoing Atlantic Coastal Plain Geothermal Energy Market Survey, the Delmarva Geothermal Development Prospectus, Evaluation of Federal Strategies for Hydrothermal Developments, and comm… more
Date: April 1, 1979
Partner: UNT Libraries Government Documents Department
open access

Preliminary reentry safety assessment of the General Purpose Heat Source module for the Cassini mission: Aerospace Nuclear Safety Program

Description: As asked by the U. S. Department of Energy/Office of Special Applications, and in support of the Environmental Impact Statement for the Cassini mission, The Johns Hopkins University/Applied Physics Laboratory (JHU/APL) has conducted preliminary one-dimensional ablation and thermal analyses of the General Purpose Heat Source (GPHS). The predicted earth entry conditions provided by the Jet Propulsion Laboratory (JPL) for a Cassini Venus-Venus-Earth-Jupiter Gravity Assist (VVEJGA) trajectory were … more
Date: April 1, 1993
Creator: Conn, D. W. & Brenza, P. T.
Partner: UNT Libraries Government Documents Department
open access

An Elementary Review of the Mathieu-Hill Equation of Real Variable Based on Numerical Solutions

Description: Abstract: description is given of a large number of trajectories of Mathieu's equation made on the ENIAC in 1948 and available at BRL. A large chart describing the behaviour of the solutions is given. The occasion is taken to review the essentials of the Mathieu theory for the benefit of the occasional user-proceeding from the point of view of an inspection of the numerical data.
Date: April 1955
Creator: Zaroodny, Serge J.
Partner: UNT Libraries Government Documents Department
open access

Required Healthcare Contributions, Fair Share Legislation, and RILA v. Fielder

Description: This report discusses the Employee Retirement Income Security Act (ERISA) preemption and examines the Fourth Circuit's decision in the context of the U.S. Supreme Court's past decisions on the subject. The report also considers the impact the decision could have on other attempts to enact fair share legislation
Date: April 24, 2007
Creator: Shimabukuro, Jon O.
Partner: UNT Libraries Government Documents Department
open access

Mammals of Maryland

Description: Overview of the mammals of Maryland, including descriptions of the orders and maps depicting distribution of the mammals.
Date: April 1969
Creator: Paradiso, John L.
Partner: UNT Libraries Government Documents Department
open access

Review of State Mine Inspector's Reports as They Relate to Accidents from Falls of Roof

Description: Report issued by the U.S. Bureau of Mines over state mine inspection reports from 19 U.S. states. The information in the reports includes details of accidents, locations that specific accidents occurred, and proposed remedies for prevention of future accidents. This report includes tables.
Date: April 1929
Creator: Paul, James Washington
Partner: UNT Libraries Government Documents Department
open access

Aeroradioactivity Survey and Areal Geology of the District of Columbia and Parts of Maryland, Virginia, and West Virginia (ARMS-I)

Description: Report discussing results of an aeroradioactivity survey of the District of Columbia and parts of Maryland, Virginia, and West Virginia, made by the U. S. Geological Survey in cooperation with the Division of Biology and Medicine, U. S. Atomic Energy Commission between February 1 and May 4, 1960.
Date: April 1966
Creator: Neuschel, Sherman K.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen