Abstract: Provided are embodiments including a system for performing health monitoring. The system includes a measurement device configured to measure pressure of an environment, a heating element of the heater section coupled to the measurement device, a first sensing element operably coupled to a first region of the measurement device, and a second sensing element operably coupled to a second region of the measurement device. The system also includes a programmable logic that is configured to generate a status signal or flag based at least in part on conditions of the first region or the second region of the measurement device, a processing system configured to control the heating element responsive to reaching a threshold temperature, and a display configured to display a status of the first region or second region of the measurement device based at least in part on the status signal or flag.

Abstract: Disclosed is a process of manufacturing a pitot tube assembly including: obtaining a metal cylindrical tube having a first axial portion that is a first material blank for an assembly inlet portion of the pitot tube assembly and a second axial portion that is a second material blank for a body portion of the pitot tube assembly; nesting the first axial portion of the tube within a cylindrical graphite insert; nesting the cylindrical graphite insert within a cylindrical sheath; constraining axial motion of the insert; performing laser scanning to the assembly inlet portion; and performing additive manufacturing to the pitot tube assembly inlet portion.

Abstract: Systems and methods for forecasting power generation in a wind farm are disclosed. The systems and methods utilize an induced Markov chain model to generate a forecast of power generation of the wind farm. The forecast is at least one of a point forecast or a distributional forecast. Additionally, the systems and methods modify at least one of: (i) a generation of electricity at a power plant coupled to a common power grid as the wind farm; or (ii) a distribution of electricity in the common power grid based on the forecast of power generation of the wind farm. In an exemplary approach, utilizing the induced Markov chain model to generate the forecast may include determining a series of time adjacent power output measurements based on historical wind power measurements and calculating a time series of difference values based on the series of time adjacent power output measurements.

Abstract: An air data probe includes a housing and a probe head with a body, total pressure and alpha chambers, total pressure and alpha ports, and alpha drain ports. The total pressure chamber extends through a radial center of the body. The alpha chambers are disposed radially outward from the total pressure chamber. The total pressure port is disposed in a distal end of the body is collinear with a centerline axis of the body. The total pressure chamber is in fluid communication with the total pressure port and with the housing. The alpha ports are disposed downstream of the total pressure port and upstream of the housing. The alpha chambers are in fluid communication with the alpha ports. The alpha drain ports are disposed downstream from the alpha port and upstream from the housing. The alpha drain ports fluidly communicate with the alpha chamber.

Abstract: In one aspect, a method for assessing the performance impact of wind turbine upgrades may generally include determining a baseline power curve for a wind turbine prior to the wind turbine being upgraded and determining a baseline wind speed transfer function for the wind turbine prior to the wind turbine being upgraded. The method may also include determining an upgraded wind speed transfer function for the wind turbine after the wind turbine is upgraded. In addition, the method may include determining a corrected local wind speed for the wind turbine based on the baseline and upgraded wind speed transfer functions and determining an upgraded power curve for the wind turbine based on the corrected local wind speed.

Abstract: Manufacturing method by addition for at least one part of a piece of aeronautic equipment intended to equip an aircraft, the equipment piece including at least one part intended to be arranged at a skin of the aircraft and heating elements for that part, which include a thermodynamic loop including a closed circuit at least partially integrated, in which a heat transfer fluid circulates, the closed circuit including an evaporator and a zone in which condensation of the heat transfer fluid can occur in the appendage to heat it, outside the evaporator, the circuit being formed by a tubular channel with an empty section at least partially integral with the equipment piece, at least the part of the equipment piece arranged outside the aircraft is made by additive manufacturing and includes a base for fastening on the skin of the aircraft from which support elements for a Pitot tube extend.

Abstract: An adapter for isolating the at least one pressure port of a pitot-static tube from ambient conditions. The adapter can be used to perform aircraft anemometric testing and provides a replaceable, leak-proof seal for communicating pressures from the aircraft pitot-static system to testing equipment.

Abstract: The pitot-static tester kit is adapted for use with pitot based measurement equipment. The pitot-static tester kit tests the static pressure pitot static tube for leaks in situ. The pitot-static tester kit is a kit that simultaneously tests the pitot tube and the hose of a tube assembly selected from the group consisting of the stagnation pressure pitot static tube assembly and the static pressure pitot static tube assembly. The selected tube assembly is placed under pressure from an externally provided test set and the pitot-static tester kit then tests the pitot tube and the hose of a selected tube assembly for leaks. The pitot-static tester kit comprises a first adapter plug, a second adapter plug, a cleaning medium, a surfactant solution, a flashlight, and a cloth.

Abstract: A probe for the measurement of the total pressure or temperature of a two phase wet gas flow is also disclosed. Embodiments provide a stem, a tip on the top of the stem, a cup serving as a shield is formed in the tip, a at least one tube or thermal element positioned within the cup serving as a measuring device for the incoming wet gas flow; at least one hole which passes through at least one wall of the cup; and a pressure changing device configured to accelerate the wet gas flowing around the cup. A method and system for the measurement of the total pressure or temperature of a two phase wet gas flow is also disclosed.

Abstract: A flow measurement probe includes an elongate probe having an averaging pitot tube with a plurality of upstream and downstream openings arranged along a length of the elongate probe, and a thermal flow measurement sensor coupled to the elongate probe. A method of measuring fluid flow rate in a process includes calculating a flow rate of the fluid using differential pressure in upstream and downstream openings of an averaging pitot tube in an elongate probe when the differential pressure is at least a defined measurement threshold, and calculating the flow rate of the fluid with a thermal mass flow sensor coupled to the flow measurement probe when the differential pressure is less than the defined measurement threshold.

Abstract: A calibration method for a flow measuring device used with a vehicle exhaust analysis system includes the flow measuring device being connected with the vehicle exhaust system wherein exhaust gases are directed through the flow measuring device. A portable flow calibration device is connected in a manner that exhaust gases of the vehicle exhaust system are directed through the portable flow calibration device. The vehicle is operated so that exhaust gas flows through the flow measuring device and the flow calibration device. The flow measuring device is calibrated with the portable flow calibration device. The flow measuring device includes a Pitot tube assembly in a flow tube wherein gas flowing through the flow tube passes the Pitot tube assembly. The Pitot tube assembly includes a sensing tube and at least one pressure sensing port connected with the sensing tube. The sensing tube includes a plurality of sensing openings that are positioned at different portions of gas flowing through the flow tube.

Abstract: A device is provided for checking a flow pressure measurement probe as well as a probe comprising the device. The probe includes an internal volume and at least one orifice for communication with the outside of the volume. The device includes: an acoustic transmitter and an acoustic receiver that are intended to be connected to the internal volume so that the transmitter transmits an acoustic signal that propagates in the internal volume and so that the receiver picks up an observed acoustic signal; and, means for comparing the observed signal with a reference signal. The device may be a stand-alone device or may be integrated into the probe.

Abstract: A control system for calibrating a wind turbine sensor placed on a component of a wind turbine and related methods are disclosed. The wind turbine includes a rotor having at least one wind turbine blade. The method comprises pitching one or more of the at least one of the wind turbine blades according to a predetermined pitch movement which induces a vibratory motion in the at least one turbine blade. A wind turbine sensor measures a vibratory response signal at least partly caused by the vibratory motion. A characteristic sensor response value is determined from the vibratory response signal. The characteristic sensor response value may be compared to a predetermined sensor calibration parameter to determine whether a difference is greater than a predefined tolerance parameter. In this manner, the wind turbine sensor may be calibrated.

Abstract: An apparatus and method is disclosed for calibrating a cup anemometer having a non-removable cupset. The calibration method may include mechanically connecting a cups assembly hub of the anemometer to a rotatable shaft of a variable-speed motor, placing at least the anemometer under vacuum so that drag effects on the cups assembly hub of the anemometer are eliminated when driven by the variable-speed motor, controlling the variable-speed motor to drive the cups assembly hub of the anemometer at a number of different rotational speeds, recording electrical signals produced by the anemometer at each of the number of different rotational speeds, and generating calibration data for the anemometer based on the recorded electrical signals and on expected wind speed values at each of the number of different rotational speeds.

Abstract: Provided is a test tool for an airspeed indicator of an aircraft, including: a cylinder portion including an insertion groove with a predetermined amount of space, and of which one end is sealed by a cover and includes an injection portion on the cover so that the insertion groove passes through a pitot tube, and of which another open end includes a protruded step around its inner circumferential surface; a piston portion being inserted into the insertion groove to reciprocally move within the insertion groove, and including a protrusion portion having a size and a shape corresponding to an aperture of the insertion groove, and a bar-shaped knob portion being extended from the protrusion portion; and a display portion being formed of a transparent material on an outer surface of the cylinder portion to display a location of the protrusion portion reciprocally moving within the cylinder portion.

Abstract: An apparatus and method is disclosed for calibrating a cup anemometer having a non-removable cupset. The calibration method may include mechanically connecting a cups assembly hub of the anemometer to a rotatable shaft of a variable-speed motor, placing at least the anemometer under vacuum so that drag effects on the cups assembly hub of the anemometer are eliminated when driven by the variable-speed motor, controlling the variable-speed motor to drive the cups assembly hub of the anemometer at a number of different rotational speeds, recording electrical signals produced by the anemometer at each of the number of different rotational speeds, and generating calibration data for the anemometer based on the recorded electrical signals and on expected wind speed values at each of the number of different rotational speeds.

Abstract: A wind sensor includes first and second elements in an orthogonal axis arrangement and a calibration data array comprising first calibration data associated with the first element and second calibration array data associated with second element. An anemometric processor determines a wind speed (S) and direction (W) for an airflow received by the first and second elements using a first electrical parameter associated with the first element and the first calibration array data and a second electrical parameter associated with the second element and the second calibration array data. A wind sensing probe can have a pair of wind sensing elements, wherein each element has a core formed of a low specific heat, low density, high temperature plastic polymer, with two metal leads extending from the ends of core. A wind sensing element can include a fine Nickel alloy coil wound around an aforementioned core.

Abstract: Provided is a test tool for an airspeed indicator of an aircraft, including: a cylinder portion including an insertion groove with a predetermined amount of space, and of which one end is sealed by a cover and includes an injection portion on the cover so that the insertion groove passes through a pitot tube, and of which another open end includes a protruded step around its inner circumferential surface; a piston portion being inserted into the insertion groove to reciprocally move within the insertion groove, and including a protrusion portion having a size and a shape corresponding to an aperture of the insertion groove, and a bar-shaped knob portion being extended from the protrusion portion; and a display portion being formed of a transparent material on an outer surface of the cylinder portion to display a location of the protrusion portion reciprocally moving within the cylinder portion.

Abstract: An adapter to test the static vent of aircraft instrumentation is provided. The test adapter comprises an adapter assembly and a seal holder. The adapter assembly comprises a plurality of prongs adapted to be inserted in the vent's holes. The assembly further comprises a locking mechanism cooperating with the prongs to secure the adapter assembly in place. A seal holder, adapted to be mounted on and over the adapter assembly comprises a seal and a hose connector to connect the adapter to the gas or pressure source. The adapter can also be provided with a blanking port which acts as a pre-test device and also as a storage unit for protecting the adapter assembly when not in use.

Abstract: A system and method for determining functionality and accuracy of a sensor such that monitoring of a sensor is possible without the provision of redundant sensors. Briefly described, one embodiment is an anemometer operable to detect wind speed adjacent to the wind power installation, a calculating unit operable to calculate a calculated wind speed using data from an operating parameter of the wind power installation, and a comparison device operable to compare the detected wind speed with the calculated wind speed to determine the functionality of the anemometer.

Abstract: A method for re-calibrating an anemometer of a wind turbine is provided, the method comprising the steps of obtaining pairs of measured values of wind speed and a wind-speed dependent turbine variable; comparing said measured value pairs to pairs of wind speed and the turbine variable obtained from an expected turbine variable curve of the wind turbine to determine a difference between a measured wind speed value and an expected wind speed value for a given turbine variable value; and adjusting a calibration function of said anemometer on the basis of said determined difference.

Abstract: A fluid flux measurement system that includes a heated element fluid flow sensor that is capable of being repositioned relative to a mean fluid flux direction is disclosed. The repositioning may be performed by a motor interconnected to the heated element fluid flow sensor. The heated element fluid flow sensor may be positioned proximate to the measurement region of a sonic anemometer and may be operable to be repositioned relative to the sonic anemometer. The heated element fluid flow sensor may be a three-dimensional hot-film constant temperature anemometer. The fluid flux system may be operable to measure small-scale turbulent fluxes in uncontrolled environments such as remotely located atmospheric monitoring stations. The heated element fluid flow sensor may be calibrated in-situ with data collected by the sonic anemometer.

Abstract: A method for ice detection for a wind turbine is provided. The method includes providing an ice condition threshold parameter adapted for distinguishing a condition during which icing may occur and a condition during which icing may not occur, measuring a wind velocity with a first anemometer, wherein the first anemometer being of a first type, measuring a wind velocity with a second anemometer, wherein the second anemometer being of a second type, and wherein the second type is different from the first type, evaluating, for a condition during which icing may occur, a deviation of the wind velocity measured with the first anemometer and the wind velocity measured with the second anemometer, and determine whether the deviation exceeds a limit value based on a calibration conducted under a condition during which icing may not occur.

Abstract: A technique for correcting measurement error in data produced by a nacelle-based anemometer and for determining free stream wind speed for a wind turbine involves ascertaining parameters related to the wind turbine and the operation thereof, and using the parameters and data from the nacelle based anemometer as inputs to an algorithm to provide for determination of corrected wind speed data.

Abstract: The present invention concerns a method of monitoring a sensor for sensing the flow speed of a medium. The invention further concerns an apparatus for carrying out that method. In order to be able to monitor the sensor, without providing redundant sensors, the flow speed of the medium, which is specified by the sensor, is correlated with at least one operating parameter of an installation operated with the medium. For that purpose the apparatus according to the invention includes a sensor for detecting the flow speed of a medium, an installation operated with the medium and a correlation device for correlating the flow speed of the medium, which is specified by the sensor, with at least one operating parameter of the installation.

Abstract: A pitot pressure sensing probe assembly is made up of individual components comprising a barrel formed with a longitudinal interior passageway and a conical end cap at its leading end. A strut that has stamped or formed sections secured together to form the strut with a compound curvature includes a neck that has a bore to receive a hub of the barrel. The end cap has a pitot port for sensing fluid pressure. The barrel includes a water trap at its leading end for trapping water and permitting it to drain through a hole in the conical end cap. The longitudinal internal passageyway carries the fluid pressure sensed by the pitot port to remote instruments. The individual components are easily formed and are secured together to make the pitot pressure sensing probe assembly.

Abstract: A wind gauge apparatus and method. An illustrative embodiment includes a microphone positioned to engage wind pressure from a first relative direction and a controller coupled to receive an audio signal from the microphone. The controller compares the audio signal with plural threshold values, representative of wind pressure levels, and determines a first wind pressure level incident upon the microphone. Filtering and gain controls are used to condition the audio signal output from the microphone. Plural microphones are employed to allow that detection of wind direction and magnitude about a compass of directions. Digital signal processing is employed to process data. In an illustrative embodiment, the wind direction and magnitude data are used to recommend a golf club size adjustment and a golf swing direction adjustment to the user, who has taken a measurement of the wind with respect to a reference golf swing direction.