2 PROJECT ABSTRACT GIVEN RECENT ADVANCES IN QUIET SUPERSONIC AIRCRAFT DESIGNS, CIVIL SUPERSONIC FLIGHT OVERLAND MAY SOON BE PERMISSIBLE. TO REALIZE THIS, THE SIZE OF REGIONS EXPOSED TO SONIC BOOMS MUST BE ACCURATELY PREDICTED. PCBOOM AND SBOOM ARE NASA S PRIMARY MODELS FOR PROPAGATING PRESSURE WAVEFORMS FROM AIRCRAFT TO GROUND. THESE MODELS OVERSIMPLIFY THE SOUND SPEED VARIATIONS IN THE ATMOSPHERE. THIS CAUSES INACCURACY IN ACOUSTIC RAY TRACING; THUS, THE LOCATION AND SIZE OF THE PRIMARY AND SECONDARY BOOM CARPETS ARE INACCURATE. USING CLIMATE FORECAST SYSTEM REANALYSIS (CFSR), AIR TEMPERATURE AND WIND SPEED AS A FUNCTION OF TIME AND SPACE WERE DETERMINED BY PENN STATE GRADUATE STUDENT RACHEL ROMOND. THESE PARAMETERS PROVIDE A DATABASE OF SPATIAL AND TEMPORAL SOUND SPEED A HUGE SET OF REAL ATMOSPHERIC PROFILES. CFSR (OR SIMILAR DATABASE) CONTAINS VAST POTENTIAL FOR IMPROVING THE RESOLUTION OF BOOM CARPET SIZE AND ESTIMATING HUMAN EXPOSURE LEVELS. CFSR ALLOWS ACCURATE ANALYSIS OF NOISE EXPOSURE DUE TO CHANGES IN THE ATMOSPHERE OVER ANY FLIGHT PATH, TIME OF DAY, WEATHER PATTERN, SEASON, AND GEOGRAPHICAL CLIMATE. IMPLEMENTING CFSR INTO THE PROPAGATION MODELS WILL ALLOW POWERFUL, FAR-REACHING, AND ACCURATE CALCULATION OF THE EXTENT OF PRIMARY AND SECONDARY BOOM CARPETS WITH RAY TRACING FOR THE FIRST TIME. Other Administrative Action $0 12/27/18 Not listed PROJECT ABSTRACT GIVEN RECENT ADVANCES IN QUIET SUPERSONIC AIRCRAFT DESIGNS CIVIL SUPERSONIC FLIGHT OVERLAND MAY SOON BE PERMISSIBLE. TO REALIZE THIS THE SIZE OF REGIONS EXPOSED TO SONIC BOOMS MUST BE ACCURATELY PREDICTED. PCBOOM AND SBOOM ARE NASA S PRIMARY MODELS FOR PROPAGATING PRESSURE WAVEFORMS FROM AIRCRAFT TO GROUND. THESE MODELS OVERSIMPLIFY THE SOUND SPEED VARIATIONS IN THE ATMOSPHERE. THIS CAUSES INACCURACY IN ACOUSTIC RAY TRACING; THUS THE LOCATION AND SIZE OF THE PRIMARY AND SECONDARY BOOM CARPETS ARE INACCURATE. USING CLIMATE FORECAST SYSTEM REANALYSIS (CFSR) AIR TEMPERATURE AND WIND SPEED AS A FUNCTION OF TIME AND SPACE WERE DETERMINED BY PENN STATE GRADUATE STUDENT RACHEL ROMOND. THESE PARAMETERS PROVIDE A DATABASE OF SPATIAL AND TEMPORAL SOUND SPEED A HUGE SET OF REAL ATMOSPHERIC PROFILES. CFSR (OR SIMILAR DATABASE) CONTAINS VAST POTENTIAL FOR IMPROVING THE RESOLUTION OF BOOM CARPET SIZE AND ESTIMATING HUMAN EXPOSURE LEVELS. CFSR ALLOWS ACCURATE ANALYSIS OF NOISE EXPOSURE DUE TO CHANGES IN THE ATMOSPHERE OVER ANY FLIGHT PATH TIME OF DAY WEATHER PATTERN SEASON AND GEOGRAPHICAL CLIMATE. IMPLEMENTING CFSR INTO THE PROPAGATION MODELS WILL ALLOW POWERFUL FAR-REACHING AND ACCURATE CALCULATION OF THE EXTENT OF PRIMARY AND SECONDARY BOOM CARPETS WITH RAY TRACING FOR THE FIRST TIME. $0 12/27/18 1 PROJECT ABSTRACT GIVEN RECENT ADVANCES IN QUIET SUPERSONIC AIRCRAFT DESIGNS, CIVIL SUPERSONIC FLIGHT OVERLAND MAY SOON BE PERMISSIBLE. TO REALIZE THIS, THE SIZE OF REGIONS EXPOSED TO SONIC BOOMS MUST BE ACCURATELY PREDICTED. PCBOOM AND SBOOM ARE NASA S PRIMARY MODELS FOR PROPAGATING PRESSURE WAVEFORMS FROM AIRCRAFT TO GROUND. THESE MODELS OVERSIMPLIFY THE SOUND SPEED VARIATIONS IN THE ATMOSPHERE. THIS CAUSES INACCURACY IN ACOUSTIC RAY TRACING; THUS, THE LOCATION AND SIZE OF THE PRIMARY AND SECONDARY BOOM CARPETS ARE INACCURATE. USING CLIMATE FORECAST SYSTEM REANALYSIS (CFSR), AIR TEMPERATURE AND WIND SPEED AS A FUNCTION OF TIME AND SPACE WERE DETERMINED BY PENN STATE GRADUATE STUDENT RACHEL ROMOND. THESE PARAMETERS PROVIDE A DATABASE OF SPATIAL AND TEMPORAL SOUND SPEED A HUGE SET OF REAL ATMOSPHERIC PROFILES. CFSR (OR SIMILAR DATABASE) CONTAINS VAST POTENTIAL FOR IMPROVING THE RESOLUTION OF BOOM CARPET SIZE AND ESTIMATING HUMAN EXPOSURE LEVELS. CFSR ALLOWS ACCURATE ANALYSIS OF NOISE EXPOSURE DUE TO CHANGES IN THE ATMOSPHERE OVER ANY FLIGHT PATH, TIME OF DAY, WEATHER PATTERN, SEASON, AND GEOGRAPHICAL CLIMATE. IMPLEMENTING CFSR INTO THE PROPAGATION MODELS WILL ALLOW POWERFUL, FAR-REACHING, AND ACCURATE CALCULATION OF THE EXTENT OF PRIMARY AND SECONDARY BOOM CARPETS WITH RAY TRACING FOR THE FIRST TIME. Other Administrative Action $0 8/28/18 Not listed PROJECT ABSTRACT GIVEN RECENT ADVANCES IN QUIET SUPERSONIC AIRCRAFT DESIGNS CIVIL SUPERSONIC FLIGHT OVERLAND MAY SOON BE PERMISSIBLE. TO REALIZE THIS THE SIZE OF REGIONS EXPOSED TO SONIC BOOMS MUST BE ACCURATELY PREDICTED. PCBOOM AND SBOOM ARE NASA S PRIMARY MODELS FOR PROPAGATING PRESSURE WAVEFORMS FROM AIRCRAFT TO GROUND. THESE MODELS OVERSIMPLIFY THE SOUND SPEED VARIATIONS IN THE ATMOSPHERE. THIS CAUSES INACCURACY IN ACOUSTIC RAY TRACING; THUS THE LOCATION AND SIZE OF THE PRIMARY AND SECONDARY BOOM CARPETS ARE INACCURATE. USING CLIMATE FORECAST SYSTEM REANALYSIS (CFSR) AIR TEMPERATURE AND WIND SPEED AS A FUNCTION OF TIME AND SPACE WERE DETERMINED BY PENN STATE GRADUATE STUDENT RACHEL ROMOND. THESE PARAMETERS PROVIDE A DATABASE OF SPATIAL AND TEMPORAL SOUND SPEED A HUGE SET OF REAL ATMOSPHERIC PROFILES. CFSR (OR SIMILAR DATABASE) CONTAINS VAST POTENTIAL FOR IMPROVING THE RESOLUTION OF BOOM CARPET SIZE AND ESTIMATING HUMAN EXPOSURE LEVELS. CFSR ALLOWS ACCURATE ANALYSIS OF NOISE EXPOSURE DUE TO CHANGES IN THE ATMOSPHERE OVER ANY FLIGHT PATH TIME OF DAY WEATHER PATTERN SEASON AND GEOGRAPHICAL CLIMATE. IMPLEMENTING CFSR INTO THE PROPAGATION MODELS WILL ALLOW POWERFUL FAR-REACHING AND ACCURATE CALCULATION OF THE EXTENT OF PRIMARY AND SECONDARY BOOM CARPETS WITH RAY TRACING FOR THE FIRST TIME. $0 8/28/18 Not listed PROJECT ABSTRACT GIVEN RECENT ADVANCES IN QUIET SUPERSONIC AIRCRAFT DESIGNS, CIVIL SUPERSONIC FLIGHT OVERLAND MAY SOON BE PERMISSIBLE. TO REALIZE THIS, THE SIZE OF REGIONS EXPOSED TO SONIC BOOMS MUST BE ACCURATELY PREDICTED. PCBOOM AND SBOOM ARE NASA S PRIMARY MODELS FOR PROPAGATING PRESSURE WAVEFORMS FROM AIRCRAFT TO GROUND. THESE MODELS OVERSIMPLIFY THE SOUND SPEED VARIATIONS IN THE ATMOSPHERE. THIS CAUSES INACCURACY IN ACOUSTIC RAY TRACING; THUS, THE LOCATION AND SIZE OF THE PRIMARY AND SECONDARY BOOM CARPETS ARE INACCURATE. USING CLIMATE FORECAST SYSTEM REANALYSIS (CFSR), AIR TEMPERATURE AND WIND SPEED AS A FUNCTION OF TIME AND SPACE WERE DETERMINED BY PENN STATE GRADUATE STUDENT RACHEL ROMOND. THESE PARAMETERS PROVIDE A DATABASE OF SPATIAL AND TEMPORAL SOUND SPEED A HUGE SET OF REAL ATMOSPHERIC PROFILES. CFSR (OR SIMILAR DATABASE) CONTAINS VAST POTENTIAL FOR IMPROVING THE RESOLUTION OF BOOM CARPET SIZE AND ESTIMATING HUMAN EXPOSURE LEVELS. CFSR ALLOWS ACCURATE ANALYSIS OF NOISE EXPOSURE DUE TO CHANGES IN THE ATMOSPHERE OVER ANY FLIGHT PATH, TIME OF DAY, WEATHER PATTERN, SEASON, AND GEOGRAPHICAL CLIMATE. IMPLEMENTING CFSR INTO THE PROPAGATION MODELS WILL ALLOW POWERFUL, FAR-REACHING, AND ACCURATE CALCULATION OF THE EXTENT OF PRIMARY AND SECONDARY BOOM CARPETS WITH RAY TRACING FOR THE FIRST TIME. Not listed $110.0k 12/5/16