Rotating machinery is evaluated by calculating a boundary condition based on a measured value of a parameter related to an operating state of the rotating machinery, and calculating an evaluation value corresponding to the calculated boundary condition based on the reduced order model, during operation of the rotating machinery. The reduced order model is created based on a prediction model including a heat transfer model and a structural model of the rotating machinery for predicting an evaluation value of the rotating machinery corresponding to the boundary condition.

A system for measuring pump efficiency includes a pump configured to pump a fluid, a suction pipe disposed upstream of a suction side of the pump, a discharge pipe disposed downstream of a discharge side of the pump, a first pipe section disposed between the suction pipe and the suction side of the pump, and a second pipe section disposed between the discharge pipe and the discharge side of the pump. Each of the first pipe section and the second pipe section includes a temperature sensing pipe liner configured to measure a temperature of the fluid in the first pipe section, and a thermal insulator disposed radially outward of the temperature sensing pipe liner.

Provided is an abnormality detection device which detects an abnormality in a target machine, comprising: a first acquisition unit which acquires a drive side temperature of the target machine; a second acquisition unit which acquires a non-drive side temperature of the target machine; a correlation storage unit which stores a correlation between the drive side temperature and the non-drive side temperature based on the drive side temperature and the non-drive side temperature during normal operation of the target machine; a detection unit which detects a deviation from the correlation stored in the correlation storage unit on the basis of the drive side temperature acquired by the first acquisition unit and the non-drive side temperature acquired by the second acquisition unit; and, an output unit which outputs the deviation from the correlation which was detected by the detection unit as an abnormality in the target machine or as an abnormality indication.

An apparatus for in vitro testing of medical device thrombogenicity includes an enclosure; a heating element thermally coupled to the enclosure; and a temperature feedback circuit operably coupled to the heating element and configured to control the heating element to maintain an interior of the enclosure within a preset temperature range. Positive, negative, and intermediate control rods are provided as standards against which to compare a medical device test article. Multiple blood test loops can be established through the enclosure using a common blood supply. The medical device test article can be placed in one of the loops, while the remaining loops can contain controls. Blood can be circulated through the test loops at a flow rate similar to that encountered in vivo, and thrombus formation can be assessed thereafter.

The present disclosure models the testing of oilfield electronic equipment that operate in high temperature downhole environments (possibly with large vibrational loading) in order to quantify the damage to the electronic equipment over its expected operational lifetime. The simulated downhole environment is complex and includes coupled random vibration and thermal cycling followed by repeated shock at high temperature. In embodiments, the proposed methods and system measure non-linear damage accumulation of the electronic equipment in this simulated downhole environment.

Disclosed are a device and a method for measuring a fretting displacement in a power cycling of a press-pack insulated gate bipolar transistor (IGBT). The IGBT includes: a bracket; slide bars slidably mounted on the bracket and are arranged at least four along a circumferential direction of the bracket; sensors respectively slidably installed on the bracket and the slide bars; and a power cycling experiment device arranged inside the bracket.

An indicator for monitoring temperature and wear of one or more aircraft brakes. One or more sensors are provided for sensing a parameter of usage, and an estimate of usage of the part can be determined based upon the signal indicating the sensed value of the parameter of usage of the aircraft part. A plurality of sensors can be provided for sensing usage of a plurality of parts of the aircraft, and the estimate of usage of the part can be stored for access of the estimate by ground personnel. In addition, the sensed usage data are critical inputs for the brake controller to regulate which brakes are applied.

An adapted elastomer compound, in which the adaptation is based at least in part on load performance data of a rotor/stator test coupon as evaluated on a test apparatus. The test coupon's stator section includes the original elastomer compound before adaptation thereof. The test apparatus includes a motor, a brake, and at least one sensor disposed to evaluate load performance data of the test coupon. The load performance data is the product of the process comprising the steps of: (a) rotating either the rotor section or the stator section on the test apparatus, wherein such rotation section actuates corresponding rotation of the other of the rotor section and the stator section; (b) applying a braking torque to the actuated rotor section or stator section; and (c) responsive to step (b), evaluating load performance data of the test coupon.

The subject disclosure relates to a system and method for testing units-under-test (UUT) with a thermal shock. The thermal shock testing system can include a chamber having an inlet and an outlet, the chamber being configured to provide a thermal shock to a unit-under-test (UUT), a pump configured to fluidly connect to the inlet of the chamber and direct a temperature controlled liquid through a channel embedded in the chamber, and a boiler and a chiller fluidly connected to the pump, the temperature of the liquid being controlled by at least one valve configured to alternatively direct hot or cold fluid to the inlet of the chamber.

Countermeasure simulating structures may include (a) a base and (b) one or more separated combustible tracks fixed to the base's surface. The combustible tracks may include thermite and/or other combustible material. The combustible tracks may be shaped to simulate countermeasure flares deployed by a vehicle (e.g., a jet). The countermeasure simulating structure may be incorporated into a countermeasure simulating system that includes (a) an infrared and/or optical sensing system (e.g., like those included in missiles) and (b) a simulator mount holding the countermeasure simulating structure. Countermeasures may be tested in such systems by: (a) arranging an infrared and/or optical sensing system to receive infrared energy and/or visible light emitted by the countermeasure simulating structure; (b) igniting the combustible material of the combustible track such that combustion of the combustible material moves along the combustible track; and (c) determining whether the infrared and/or optical sensing system tracks infrared energy and/or visible emitted by the combustion.