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Nasa – One of the best experts on this subject based on the ideXlab platform.

  • MIT-NASA Workshop Airline Systems Analysis, Volume 2
    , 2019
    Co-Authors: Nasa

    Abstract:

    Proceedings of conference on air transport industry with emphasis on economics, market demand, airlines regulation, and international transportation policy – Vol. 2

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  • OSTA commonality Analysis, Volume 1
    , 2013
    Co-Authors: Nasa, Oao Corp.

    Abstract:

    The NASA End-to-End Data System (NEEDS) concept to achieve the required improvement in data systems capability where this activity may be subdivided into a logical set of development activities is reviewed.

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  • Coal gasification systems engineering and Analysis, Volume 2
    , 2013
    Co-Authors: Nasa, Bdm Corp.

    Abstract:

    The major design related features of each generic plant system were characterized in a catalog. Based on the catalog and requirements data, approximately 17 designs and cost estimates were developed for MBG and alternate products. A series of generic trade studies was conducted to support all of the design studies. A set of cost and programmatic analyses were conducted to supplement the designs. The cost methodology employed for the design and sensitivity studies was documented and implemented in a computer program. Plant design and construction schedules were developed for the K-T, Texaco, and B&W MBG plant designs. A generic work breakdown structure was prepared, based on the K-T design, to coincide with TVA’s planned management approach. An extensive set of cost sensitivity analyses was completed for K-T, Texaco, and B&W design. Product price competitiveness was evaluated for MBG and the alternate products. A draft management policy and procedures manual was evaluated. A supporting technology development plan was developed to address high technology risk issues. The issues were identified and ranked in terms of importance and tractability, and a plan developed for obtaining data or developing technology required to mitigate the risk.

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Bdm Corp. – One of the best experts on this subject based on the ideXlab platform.

  • Coal gasification systems engineering and Analysis, Volume 2
    , 2013
    Co-Authors: Nasa, Bdm Corp.

    Abstract:

    The major design related features of each generic plant system were characterized in a catalog. Based on the catalog and requirements data, approximately 17 designs and cost estimates were developed for MBG and alternate products. A series of generic trade studies was conducted to support all of the design studies. A set of cost and programmatic analyses were conducted to supplement the designs. The cost methodology employed for the design and sensitivity studies was documented and implemented in a computer program. Plant design and construction schedules were developed for the K-T, Texaco, and B&W MBG plant designs. A generic work breakdown structure was prepared, based on the K-T design, to coincide with TVA’s planned management approach. An extensive set of cost sensitivity analyses was completed for K-T, Texaco, and B&W design. Product price competitiveness was evaluated for MBG and the alternate products. A draft management policy and procedures manual was evaluated. A supporting technology development plan was developed to address high technology risk issues. The issues were identified and ranked in terms of importance and tractability, and a plan developed for obtaining data or developing technology required to mitigate the risk.

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  • Coal gasification systems engineering and Analysis. Volume 1: Executive summary
    , 2013
    Co-Authors: Nasa, Bdm Corp.

    Abstract:

    Feasibility analyses and systems engineering studies for a 20,000 tons per day medium Btu (MBG) coal gasification plant to be built by TVA in Northern Alabama were conducted. Major objectives were as follows: (1) provide design and cost data to support the selection of a gasifier technology and other major plant design parameters, (2) provide design and cost data to support alternate product evaluation, (3) prepare a technology development plan to address areas of high technical risk, and (4) develop schedules, PERT charts, and a work breakdown structure to aid in preliminary project planning. Volume one contains a summary of gasification system characterizations. Five gasification technologies were selected for evaluation: Koppers-Totzek, Texaco, Lurgi Dry Ash, Slagging Lurgi, and Babcock and Wilcox. A summary of the trade studies and cost sensitivity Analysis is included.

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D.i. Serig – One of the best experts on this subject based on the ideXlab platform.

  • Human factors evaluation of teletherapy: Training and organizational Analysis. Volume 4
    , 1995
    Co-Authors: K. Henriksen, R.d. Kaye, R. Jones, D.s. Morisseau, D.i. Serig

    Abstract:

    A series of human factors evaluations were undertaken to better understand the contributing factors to human error in the teletherapy environment. Teletherapy is a multidisciplinary methodology for treating cancerous tissue through selective exposure to an external beam of ionizing radiation. A team of human factors specialists, assisted by a panel of radiation oncologists, medical physicists, and radiation therapists, conducted site visits to radiation oncology departments at community hospitals, university centers, and free-standing clinics. A function and task Analysis was initially performed to guide subsequent evaluations in the areas of system-user interfaces, procedures, training and qualifications, and organizational policies and practices. The present work focuses solely on training and qualifications of personnel (e.g., training received before and during employment), and the potential impact of organizational factors on the performance of teletherapy. Organizational factors include such topics as adequacy of staffing, performance evaluations, commonly occurring errors, implementation of quality assurance programs, and organizational climate.

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  • Human factors evaluation of teletherapy: Function and task Analysis. Volume 2
    , 1995
    Co-Authors: R.d. Kaye, K. Henriksen, R. Jones, D.s. Morisseau, D.i. Serig

    Abstract:

    As a treatment methodology, teletherapy selectively destroys cancerous and other tissue by exposure to an external beam of ionizing radiation. Sources of radiation are either a radioactive isotope, typically Cobalt-60 (Co-60), or a linear accelerator. Records maintained by the NRC have identified instances of teletherapy misadministration where the delivered radiation dose has differed from the radiation prescription (e.g., instances where fractions were delivered to the wrong patient, to the wrong body part, or were too great or too little with respect to the defined treatment Volume). Both human error and machine malfunction have led to misadministrations. Effective and safe treatment requires a concern for precision and consistency of human-human and human-machine interactions throughout the course of therapy. The present study is the first part of a series of human factors evaluations for identifying the root causes that lead to human error in the teletherapy environment. The human factors evaluations included: (1) a function and task Analysis of teletherapy activities, (2) an evaluation of the human-system interfaces, (3) an evaluation of procedures used by teletherapy staff, (4) an evaluation of the training and qualifications of treatment staff (excluding the oncologists), (5) an evaluation of organizational practices and policies, and (6) anmore » identification of problems and alternative approaches for NRC and industry attention. The present report addresses the function and task Analysis of teletherapy activities and provides the foundation for the conduct of the subsequent evaluations. The report includes sections on background, methodology, a description of the function and task Analysis, and use of the task Analysis findings for the subsequent tasks. The function and task Analysis data base also is included.« less

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