Attachment_1_-_80GRC018P0025_-_High-Frequency_Response_Measurement_System_Specifications.pdf
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- High-Frequency Response Measurement System Specifications Federal contract opportunity
- Solicitation number
- 80GRC018P0025
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| Attachment_2_-_80GRC018P0025_-_High-Frequency_Response_Measurement_System_Specifications_-_UPDATED_5.23.18.pdf |
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High Frequency Response Three-dimensional Velocity Measurement System Specifications
A time-accurate, high-frequency response, pneumatic, three-dimensional instantaneous flow velocity measurement system is required for use in an industrial gas turbine engine environment. The system must include a computer controlled traverse system (hardware and software) in addition to a data acquisition and post-processing system. The system must be pre-calibrated and ready for use.
Two probes are required, one with increased operating temperature capability and another with increased frequency response. The probes will operate by measuring the instantaneous local air pressure (that is, they will be pneumatic in nature) using piezo-resistive silicone sensors.
1. The first probe must be capable of operating at a temperature of 210 deg C or less and must have a frequency response of 25 kHz or greater. The diameter of the probe must be 2.5 mm or less.
2. The second probe must be capable of operating at a temperature of 120 deg C or less and must have a frequency response of 48 kHz or greater. The diameter of the probe must be 2.5 mm or less.
Calibration Requirements:
The sensors must be factory calibrated at five Mach numbers up to Mach 0.85. Raw data curves and calibration coefficients will be provided with the probes. The calibrated pressure differential in the range of 30 to 1150 milli-bar is required with a temperature range corresponding to the temperature capability of each of the probes provided.
The probes must be calibrated in a yaw between -30 deg to +30 deg and in pitch between -24 deg to +24 deg and both must be in increments of 2 deg.
Traverse System:
A traverse positioning system necessary for positioning of the probes in the radial and yaw dimensions will be required along with any necessary controllers and cables.
The traverse system must be able to position the probe over a radial distance of 320mm and a yaw range between -30 deg and +30 deg.
Hardware Mounting System:
The accompanying system hardware must be housed in a 19 inch rack mounted on wheels for ease of positioning.
Software:
The system will include computer software necessary for positioning the aerodynamic probes in addition to the software necessary for acquiring and post-processing the data.
On-Site Support:
Two days of onsite support are required.
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