Detection of gas voids in pipe using guided wave
AssigneeElectric Power Research Institute, Inc.
InventorsNicholas R. Camilli, Steve Kenefick, Michael J. Avioli, Joseph L. Rose, Roger L. Royer
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Abstract
A gas detection system for the detection of gas voids in piping systems. The gas detection system includes a transmitter, a receiver, and a computer. The transmitter is positioned at a designated point on a piping circuit and is adapted to transmit guided waves into the piping circuit. The receiver is positioned at a designated point distant from the transmitter and is adapted to receive the guided waves transmitted through the piping circuit by the transmitter. The computer analyzes and monitors the guided waves received by the receiver and determines the amount of gas in the piping circuit being analyzed.
Claims18
A gas detection system, comprising:
- (a) a transmitter positioned at a designated point on a piping circuit and adapted to transmit guided waves into the piping circuit;
- (b) a receiver positioned at a designated point distant from the transmitter and adapted to receive the guided waves transmitted through the piping circuit by the transmitter;
- and
- (c) a computer for analyzing and monitoring the guided waves received by the receiver.
A method of detecting gas in a piping circuit, comprising the steps of:
- (a) calculating a set of dispersion curves for the piping circuit;
- (b) using a gas detection system to transmit guided waves into the piping circuit;
- (c) using the gas detection system to receive the guided waves transmitted into the piping circuit;
- and
- (d) using the gas detection system to determine an amount of gas in the piping circuit.
A method of detecting gas in a piping circuit, comprising the steps of:
- (a) providing a gas detection system having:
- (i) a transmitter;
- (ii) a receiver;
- (iii) a computer;
- (b) calculating dispersion curves for the piping circuit;
- (c) using the transmitter to transmit guided waves into the piping circuit;
- (d) using the receiver to receive the guided waves transmitted through the piping circuit;
- (e) using the computer to calculate an analytic envelope;
- (f) using the computer to calculate energy;
- and
- (g) determining an amount of gas contained in the piping circuit.
Dependencies are inferred from the claim text.