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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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14 records
All sourcesNASA NTRSDOE OSTI
NASA NTRS1974

Testing of a flat conductor cable baseboard system for residential and commercial wiring

The results of extensive testing (mechanical, electrical, chemical, environmental, thermal, and analytical) are reported for a flat conductor cable baseboard system for residential and commercial wiring. In all of the tests, Underwriters Laboratories (UL) Standards, UL Tentative Test Programs, or Accepted Engineering Practices were followed during test selection, test setup, and test accomplishment.

Hankins, J. D.↗
NASA NTRS1976

Flat-conductor cable baseboard

Report presents procedures and results of test of FCC baseboard system developed for use in commerical and residential applications. Mechanical, electrical, chemical, environmental, thermal, and analytical tests subjected system to conditions of greater severity than would be encountered in normal service; system withstood tests favorably.

Hankins, J. D.↗
NASA NTRS1977

Flat conductor cable commercialization project

An undercarpet flat conductor cable and a baseboard flat conductor cable system were studied for commercialization. The undercarpet system is designed for use in office and commercial buildings. It employs a flat power cable, protected by a grounded metal shield, that terminates in receptacles mounted on the floor. It is designed to interface with a flat conductor cable telephone system. The baseboard system consists of a flat power cable mounted in a plastic raceway; both the raceway and the receptacles are mounted on the surface of the baseboard. It is designed primarily for use in residential buildings, particularly for renovation and concrete and masonry construction.

Hogarth, P.↗
NASA NTRS1976

Surface mounted flat-conductor cable

Report presents drawbacks and advantages of FCC for home wiring. Two types of surface-wiring schemes are considered: snap-on baseboard and extendable baseboard. Both types lower installation cost and time.

Hankins, J. D.↗
NASA NTRS1973

Phase shift keyed, pulse code modulated signal synchronizer

Signal is demodulated and synchronized by three loop circuits: ''Q'' loop uses quadrature signal to stabilize frequency; ''B'' loop acts on baseboard signal to stabilize phase; and decoding ''I'' loop acts on in-phase signal. Synchronizer may be used to eliminate false-lock.

Kobayashi, H. S.↗
NASA NTRS1972

FCC for homewiring

The application of flat conductor cable technology to surface mounted homewiring was investigated. Baseboard concepts, safety aspects, problems, and advantages are discussed.

Hankins, J. D.↗
NASA NTRS1976

Installation of surface-mounted flat-conductor cable

Guide describes step-by-step process for installation of interior surface-mounted FCC used in commerical and residential buildings. Photographs illustrate how cable-riser and baseboard covers are installed as well as receptacle assembly and receptacle-cover replacement.

Carden, J. R.↗
NASA NTRS1976

Urban construction and safety project

Technology utilization projects in the area of urban construction and safety included the following: development of undercarpet and baseboard flat conductor cables, flood insurance studies, tornado safety engineering, the Project TECH house at the Langley Research Center, assistance to the City of Atlanta in their environmental habitability and resource allocation program, and market assessment of a solid state diesel engine controller. The flat conductor cable and the flood insurance studies are given particular attention.

Hogarth, P. T.↗
NASA NTRS1976

Initial operation of a solar heating and cooling system in a full-scale solar building test facility

The Solar Building Test Facility (SBTF) was constructed to advance the technology for heating and cooling of office buildings with solar energy. Its purposes are to (1) test system components which include high-performing collectors, (2) test the performance of a complete solar heating and cooling system, (3) investigate component interactions, and (4) investigate durability, maintenance and reliability of components. The SBTF consists of a 50,000 square foot office building modified to accept solar heated water for operation of an absorption air conditioner and for the baseboard heating system. A 12,666 square foot solar collector field with a 30,000 gallon storage tank provides the solar heated water. A description of the system and the collectors selected is printed along with the objectives, test approach, expected system performance, and some preliminary results.

Knoll, R. H.↗
NASA NTRS1976

Initial operation of a solar heating and cooling system in a full-scale solar building test facility

The Solar Building Test Facility (SBTF) located at Hampton, Virginia became operational in early summer of 1976. This facility is a joint effort by NASA-Lewis and NASA-Langley to advance the technology for heating and cooling of office buildings with solar energy. Its purposes are to (1) test system components which include high-performing collectors, (2) test performance of complete solar heating and cooling system, (3) investigate component interactions and (4) investigate durability, maintenance and reliability of components. The SBTF consists of a 50,000 square foot office building modified to accept solar heated water for operation of an absorption air conditioner and for the baseboard heating system. A 12,666 square foot solar collector field with a 30,000 gallon storage tank provides the solar heated water. A description of the system and the collectors selected is given here, along with the objectives, test approach, expected system performance and some preliminary results.

Knoll, R. H.↗
NASA NTRS1981

Performance evaluation of the Solar Building Test Facility

The general performance of the NASA Solar Building Test Facility (SBTF) and its subsystems and components over a four year operational period is discussed, and data are provided for a typical one year period. The facility consists of a 4645 sq office building modified to accept solar heated water for operation of an absorption air conditioner and a baseboard heating system. An adjoining 1176 sq solar flat plate collector field with a 114 cu tank provides the solar heated water. The solar system provided 57 percent of the energy required for heating and cooling on an annual basis. The average efficiency of the solar collectors was 26 percent over a one year period.

Jensen, R. N.↗
NASA NTRS1986

On the effectiveness of onboard processing

The effectiveness of onboard processing in communications satellites is discussed, and the interrelationships between the various elements of onboard processing are described. An overview is given of NASA's Advanced Communications Technology Satellite (ACTS), emphasizing its baseboard processor. The onboard processing features of ACTS are described, including frequency reuse, signal regeneration, TDMA/FDMA demand assigned multiple access, forward error correction, routing, and dynamic reconfiguration. The terminals of the ACTS ground segment are described, and comparisons are made between satellite onboard processing and other technologies.

Moy, L. L.↗
NASA NTRS1996

Advanced Communication Technology Satellite (ACTS) Very Small Aperture Terminal (VSAT) Network Control Performance

This paper discusses the performance of the network control function for the Advanced Communications Technology Satellite (ACTS) very small aperture terminal (VSAT) full mesh network. This includes control of all operational activities such as acquisition, synchronization, timing and rain fade compensation as well as control of all communications activities such as on-demand integrated services (voice, video, and date) connects and disconnects Operations control is provided by an in-band orderwire carried in the baseboard processor (BBP) control burst, the orderwire burst, the reference burst, and the uplink traffic burst. Communication services are provided by demand assigned multiple access (DAMA) protocols. The ACTS implementation of DAMA protocols ensures both on-demand and integrated voice, video and data services. Communications services control is also provided by the in-band orderwire but uses only the reference burst and the uplink traffic burst. The performance of the ACTS network control functions have been successfully tested during on-orbit checkout and in various VSAT networks in day to day operations. This paper discusses the network operations and services control performance.

Coney, T. A.↗
NASA NTRS1980

An Innovation in Building Design

Collins & Aikman's flat cable permits elimination of ducts and other accommodations traditionally required for building wiring systems, thus gives designers new latitude in planning attractive "open landscape" office layouts. The big factor is that FCC, whose thickness approximates that of two business cards, can be mounted on walls and floors instead of in them, and can be installed beneath a carpet or along a baseboard. Originating from Apollo's command module, its essential sheathing is designed to look like decor rather than plumbing. This could possibly eliminate traditional ducting under floors and elsewhere necessary to accommodate conventional wiring. Construction costs are reduced by 14 percent.

Source record↗