BRL (Ballistic Research Laboratory) Calibration Procedures for Ballistic Pressure Transducers

1988 ◽  
Author(s):  
Charles D. Bullock ◽  
Arpad A. Juhasz
Keyword(s):  
Research Laboratory ◽  
Pressure Transducers ◽  
Laboratory Calibration

Laboratory calibration of pressure transducer-tensiometer system for hydraulic studies

1994 ◽  
Vol 74 (3) ◽  
pp. 315-319 ◽  
Author(s):  
R. H. Azooz ◽  
M. A. Arshad
Keyword(s):  
Pore Water ◽  
Pressure Transducer ◽  
Pore Water Pressure ◽  
Water Pressure ◽  
Hydraulic Gradient ◽  
Gradient Distribution ◽  
Pressure Transducers ◽  
Soil Pore Water ◽  
Laboratory Calibration ◽  
Influence Of Temperature On

Pressure transducer-tensiometer (PTT) systems can be used to continuously monitor soil pore water pressure and the hydraulic gradient distribution in a field, and under laboratory conditions over relatively short time intervals. A reliable laboratory calibration of a PTT system can determine the effects of temperature fluctuations on output readings in the field. Laboratory calibrations of 20 PTTs were conducted under constant pressures of 0, − 25, − 50 and − 75 kPa and constant temperatures of 5, 15, 25 and 48 °C. Twenty Bourdon gauge tensiometers (BGTs) and pressure transducers (PTs) were also calibrated to check changes in the sensitivity and effectiveness of the PTT system, when the Bourdon gauge of the tensiometer is replaced by a PT. Readings of all the three systems revealed that pressure values gradually declined with an increase in temperature. With a temperature change from 5 to 48 °C, the pressure values at constant pressures of 0, − 25, − 50 and − 75 kPa decreased by 0, 3.7, 4.1 and 4.5 kPa for the BGT; 2.05, 2.16, 2.23 and 2.44 kPa for PT and 2.53, 2.87, 2.88 and 3.17 kPa for PTT. As the influence of temperature on the calibration curve of the PTT and PT systems was different, it is recommended that the complete PTT system should be calibrated in the laboratory to adjust the output readings to the anticipated temperature in the field. Key words: Tensiometer, tensiometer-pressure transducer, soil pore water pressure, hydraulic gradient

Phonological Awareness Intervention for Children: From the Research Laboratory to the Clinic

ASHA Leader ◽  
2002 ◽  
Vol 7 (22) ◽  
pp. 4-17 ◽  
Author(s):  
Gail Gillon
Keyword(s):  
Phonological Awareness ◽  
Research Laboratory

Patient Room of the Future Research Laboratory

2007 ◽  
Author(s):  
Richard Pak
Keyword(s):  
Research Laboratory ◽  
Future Research ◽  
Patient Room ◽  
The Future

The Engineering Research Laboratory in its Relation to the Public

1898 ◽  
Vol 45 (1167supp) ◽  
pp. 18671-18672
Author(s):  
W. F. M. Goss
Keyword(s):  
Research Laboratory ◽  
Engineering Research ◽  
The Public

Designing a business unit and creating the first ever responsive kitchen

2019 ◽  
Vol 2 (1) ◽  
Author(s):  
Paolo FESTA ◽  
Tommaso CORA ◽  
Lucilla FAZIO
Keyword(s):  
Value Creation ◽  
Product Innovation ◽  
Research Laboratory ◽  
Direct Relationship ◽  
Multidisciplinary Approach ◽  
Design Thinking ◽  
Business Unit ◽  
Qualitative And Quantitative Analysis ◽  
Qualitative And Quantitative ◽  
The Relationship

Is it possible to transform stone into a technological and innovative device? The meeting with one of the main stone transformers in Europe produced the intention of a disruptive operation that could affect the strategy of the whole company. A contagious singularity. By intertwining LEAN methodologies and the human-centric approach of design thinking, we mapped the value creation in the company activating a dialogue with the workers and the management, listening to people, asking for ambitions, discovering problems and the potential of production. This qualitative and quantitative analysis conducted with a multidisciplinary approach by designers, architects and marketing strategists allowed us to define a new method. We used it to design a platform that could let all the players express their potential to the maximum. This is how the group's research laboratory was born, with the aim of promoting the relationship between humans and stone through product innovation. With this goal, we coordinated the new team, developing technologies that would allow creating a more direct relationship between man and surface, making the stone reactive. The result was the first responsive kitchen ever.

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