Detector system for monitoring fissile mass flow in liquids and gasses

M. J. Paulus; T. Uckan; R. Lenarduzzi; J. March-Leuba; K. Castleberry; J. K. Mattingly; J. T. Mihalczo; J. A. Mullens; T. E. Valentine; J. A. McEvers

Detector system for monitoring fissile mass flow in liquids and gasses

M. J. Paulus, T. Uckan, R. Lenarduzzi, J. March-Leuba, K. Castleberry, J. K. Mattingly, J. T. Mihalczo, J. A. Mullens, T. E. Valentine, J. A. McEvers

Research output: Contribution to conference › Paper › peer-review

1 Scopus citations

Abstract

A computer controlled detector/electronics module has been designed and constructed for the Oak Ridge National Laboratory fissile mass flow (FMF) monitor. The FMF monitor employs a host computer, a modulated neutron source (Cf-252) and four of the gamma-ray detector/electronics modules described here to non-intrusively measure liquid or gas fissile-mass-flow rates in a pipe. The gamma-ray detector/electronics modules each consist of a bismuth germanate/photomultiplier-tube scintillation detector, an integrating preamplifier, a bipolar spectroscopy amplifier, two single channel analyzers, a temperature sensor and an on-board network communications node. The host computer automatically calibrates amplifier gain and single-channel analyzer thresholds via the network using a characteristic emission peak of the material flowing in the pipe and corrects for detector gain variations due to the temperature coefficients of the bismuth germanate. The single channel analyzer output pulses are counted by a microprocessor on board the network node and reported to the host computer. The key components of the detector/electronics module are described and initial data obtained with the FMF monitor are presented.

Original language	English
Pages	197-200
Number of pages	4
State	Published - 1997
Event	Proceedings of the 1997 IEEE Nuclear Science Symposium - Albuquerque, NM, USA Duration: Nov 9 1997 → Nov 15 1997

Conference

Conference	Proceedings of the 1997 IEEE Nuclear Science Symposium
City	Albuquerque, NM, USA
Period	11/9/97 → 11/15/97

Cite this

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title = "Detector system for monitoring fissile mass flow in liquids and gasses",

abstract = "A computer controlled detector/electronics module has been designed and constructed for the Oak Ridge National Laboratory fissile mass flow (FMF) monitor. The FMF monitor employs a host computer, a modulated neutron source (Cf-252) and four of the gamma-ray detector/electronics modules described here to non-intrusively measure liquid or gas fissile-mass-flow rates in a pipe. The gamma-ray detector/electronics modules each consist of a bismuth germanate/photomultiplier-tube scintillation detector, an integrating preamplifier, a bipolar spectroscopy amplifier, two single channel analyzers, a temperature sensor and an on-board network communications node. The host computer automatically calibrates amplifier gain and single-channel analyzer thresholds via the network using a characteristic emission peak of the material flowing in the pipe and corrects for detector gain variations due to the temperature coefficients of the bismuth germanate. The single channel analyzer output pulses are counted by a microprocessor on board the network node and reported to the host computer. The key components of the detector/electronics module are described and initial data obtained with the FMF monitor are presented.",

author = "Paulus, {M. J.} and T. Uckan and R. Lenarduzzi and J. March-Leuba and K. Castleberry and Mattingly, {J. K.} and Mihalczo, {J. T.} and Mullens, {J. A.} and Valentine, {T. E.} and McEvers, {J. A.}",

year = "1997",

language = "English",

pages = "197--200",

note = "Proceedings of the 1997 IEEE Nuclear Science Symposium ; Conference date: 09-11-1997 Through 15-11-1997",

}

TY - CONF

T1 - Detector system for monitoring fissile mass flow in liquids and gasses

AU - Paulus, M. J.

AU - Uckan, T.

AU - Lenarduzzi, R.

AU - March-Leuba, J.

AU - Castleberry, K.

AU - Mattingly, J. K.

AU - Mihalczo, J. T.

AU - Mullens, J. A.

AU - Valentine, T. E.

AU - McEvers, J. A.

PY - 1997

Y1 - 1997

N2 - A computer controlled detector/electronics module has been designed and constructed for the Oak Ridge National Laboratory fissile mass flow (FMF) monitor. The FMF monitor employs a host computer, a modulated neutron source (Cf-252) and four of the gamma-ray detector/electronics modules described here to non-intrusively measure liquid or gas fissile-mass-flow rates in a pipe. The gamma-ray detector/electronics modules each consist of a bismuth germanate/photomultiplier-tube scintillation detector, an integrating preamplifier, a bipolar spectroscopy amplifier, two single channel analyzers, a temperature sensor and an on-board network communications node. The host computer automatically calibrates amplifier gain and single-channel analyzer thresholds via the network using a characteristic emission peak of the material flowing in the pipe and corrects for detector gain variations due to the temperature coefficients of the bismuth germanate. The single channel analyzer output pulses are counted by a microprocessor on board the network node and reported to the host computer. The key components of the detector/electronics module are described and initial data obtained with the FMF monitor are presented.

AB - A computer controlled detector/electronics module has been designed and constructed for the Oak Ridge National Laboratory fissile mass flow (FMF) monitor. The FMF monitor employs a host computer, a modulated neutron source (Cf-252) and four of the gamma-ray detector/electronics modules described here to non-intrusively measure liquid or gas fissile-mass-flow rates in a pipe. The gamma-ray detector/electronics modules each consist of a bismuth germanate/photomultiplier-tube scintillation detector, an integrating preamplifier, a bipolar spectroscopy amplifier, two single channel analyzers, a temperature sensor and an on-board network communications node. The host computer automatically calibrates amplifier gain and single-channel analyzer thresholds via the network using a characteristic emission peak of the material flowing in the pipe and corrects for detector gain variations due to the temperature coefficients of the bismuth germanate. The single channel analyzer output pulses are counted by a microprocessor on board the network node and reported to the host computer. The key components of the detector/electronics module are described and initial data obtained with the FMF monitor are presented.

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M3 - Paper

AN - SCOPUS:0031389119

SP - 197

EP - 200

T2 - Proceedings of the 1997 IEEE Nuclear Science Symposium

Y2 - 9 November 1997 through 15 November 1997

ER -

Detector system for monitoring fissile mass flow in liquids and gasses

Abstract

Conference

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