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As fire protection engineering moves towards the implementation of performance- based fire codes, the use of validated fire models is becoming a necessity. Part of the validation process involves demonstrating model capabilities for predicting key fire environment parameters. One of the key parameters for estimating time to ignition and fire growth is the heat transfer rate to compartment surfaces ...

Zeotrope refrigerant mixtures have been proposed and used for energy saving. Matching the temperature glide of the refrigerant to the temperature change of the heat sink and source, while simultaneously reducing the pressure difference seen by the compressor will result in significantly improved efficiency. A new cycle based on a mixture cascade combined with a rectifier column has recently been i ...

TO SUPPORT THE APPLICATION OF INCREASING AMOUNTS OF DIGITAL MAPPING AND CHARTING DATA SETS, SYSTEMS MUST BE CREATED TO REPRESENT GEOGRAPHIC AND CARTOGRAPHIC INFORMATION. THESE SYSTEMS MUST HAVE THE ABILITY TO MODEL HIGH-LEVEL INFORMATION WHILE INTEGRATING LOW-LEVEL GEOGRAPHIC FEATURE AND CARTOGRAPHIC PROCESS INFORMATION AND TO RUN IN A MICRO-COMPUTER ENVIRONMENT. OBJECT-ORIENTED DATA BASE MODELS A ...

Commercial aviation offers a low cost platform from which to make extensive humidity measurements, provided the instrumentation can run autonomously and endure the rigorous flight schedules. Advances in state of the art diode laser gas sensing technology make possible compact, fully automated, self-calibrating instrumentation with the sensitivity needed to measure humidity levels throughout the tr ...

THIS PHASE I PROJECT WILL RESEARCH THE PROBLEMS, CURRENT OPERATIONS, FILE STRUCTURES, AND DATA COMPRESSION REQUIREMENTS TO FACILITATE THE RAPID ERROR-FREE TRANSMISSIONOF WEATHER MAPS, ALPHANUMERIC WEATHER DATASETS, AND SATELLITE IMAGES. SUPPORTING THE INTERAGENCY FIRE WEATHER PROGRAM, IT WILL ALSO RESEARCH THE COMMERCIALLY AVAILABLE HARDWARE AND SOFTWARE WHICH WILL MEET TRANSPORTABILITY, RELIABILI ...

Arca proposes research leading to development of a suite of methodology support products to help meet the need for innovative assurance techniques appropriate for emerging information technologies. The product will consist of a licensable methodology and supporting materials for specifying, building, and evaluating assurance arguments for products and systems based on the capability of security en ...

ACS PROPOSES TO DEVELOP A REAL TIME NWWS PERFORMANCE MONITORING CAPABILITY UTILIZING A 386 PERSONAL COMPUTER, MICROSOFT WINDOWS, AND AN OFF-THE-SHELF SERIAL INTERFACE BOARD. THE ACS DEVELOPED WEATHER WIRE AUTOMATIC MONITORING SYSTEM (WWAMS) WILL PROVIDE THE FOLLOWING FEATURES: A. REAL TIME PERFORMANCE MONITORING, QUALITY CHECKING, REPORT GENERATION, AND USER INTERFACE; B. COLOR, MENU DRIVEN, USER- ...

A growing number of fire fighters are suffering third degree burns; this has led to questions about the adequacy of thermal protective performance (TPP) measurements for protective clothing. A new heat flux sensor, whose response approximates that of skin, will be developed to provide better measurements of heat transfer in TPP tests. This sensor will be used with nonlinear parameter estimation an ...

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