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Showing 1 to 20 of 32 for “"Pyrometer"”.
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Ultrasonic Pyrometer for Industrial Applications
An ultrasonic pyrometer has been developed to measure the temperatures in various gaseous environments above 1000°C and in liquid metals. It is based on the temperature dependence of the velocity of sound in solid materials. A resonance technique is used to measure the frequency of a sensor and …
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Design, construction and calibration of a photoelectric pyrometer
The pyrometer described herein is a portable temperature measuring instrument that has no thermal capacity and which does not rely on the eye and judgment of the operator for brightness or color matches. This instrument can indicate the temperature of' a body practically instantaneously over a wide …
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Two-color pyrometer temperature profiles for single particle graphite combustion
Call number: LD2668 .T4 1986 B724
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Two-color pyrometer temperature profiles for single particle graphite combustion
Call number: LD2668 .T4 1986 B724
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Determination of Stability Conditions of a Pyrometer in a Continous Production
… foaming. This thesis explores the stability of pyrometers, non-contact infrared sensors, used in continuous production at BMW Group Debrecen. Inaccurate readings can lead to faulty products and increased waste. Through practical experiments and statistical analysis (including MSA and ANOVA), the …
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Analytical method for turbine blade temperature mapping to estimate a pyrometer input signal
… with the output signal of an experimental pyrometer. The goal of the method is to provide a temperature measurement benchmark based on a knowledge of blade geometry and engine operating conditions. A survey of currently available methods is discussed including both experimental and …
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A 3-d model for the operation of a radiation pyrometer in an axial flow turbine
… turbine engines. A limited spectrum radiation pyrometer can be used for blade temperature measurement. A model is presented which predicts the output signal from the detector unit of a pyrometer in a turbine engine application. Six inputs are required for the model. The inputs are the turbine …
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Ein Messsystem zur Bestimmung von Partikeltemperaturen in Druckkohlenstaubflammen
… are sampled and processed with a PC. An existing pyrometer has been optimised for the application to pulverised coal combustion and a new software for data processing has been developed. The pyrometer was first tested in a particle feeded gas flame. The measurements are compared to the results of …
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Optical pyrometry for noncontact temperature measurement
A noncontact two-color pyrometer, which uses an infrared (IR) transmitting rod and IR lenses to optically measure the temperature of a molten particle as it falls in an evacuated drop tube, has been designed and tested in the laboratory and in the field. The design uses a calcium fluoride (CaF₂) …
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Characterization of aluminum powder ignition
… heated carbon filament. A three-color pyrometer and a high-speed camera were used in the project to determine the filament surface temperature at the instant of ignition. When using the pyrometer, a sharp rise in a photodiode signal from the powder coating was used to determine the …
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Applications of infrared fibers in temperature sensing
… sensing is thus reviewed, and an optical fiber pyrometer is discussed.
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Shock initiation of explosives under the microscope
… resolution in what we dub a 32-channel pyrometer. This technique allows for the first high-fidelity direct measurement of the temperature in heterogeneous reactive sites which are created during shock compression, known as hot spots, on the nanosecond time scale. The 32-channel pyrometer …
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Reaction Synthesis of HfB2 in a Variety of Metallic Environments
… due to the measurement frequency of the pyrometer, the disparity of heating rates between the two experimental methods, and/or to the influence of intermediate reactions on the temperature increase.
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Dynamic surface temperature measurement on the first stage turbine blades in a turbofan jet engine test rig
… engine test rig. A single fiber radiation pyrometer was used to view the suction side of the blades from approximately 60 percent axial chord to the trailing edge at an average radial location of 70 percent blade height. A single ceramic-coated blade produced a once-per-revolution signal …
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High Temperature Heat Flux Measurement: Sensor Design, Calibration, and Applications
… radiant source and a NIST calibrated optical pyrometer as the calibration standard. The HTHFS calibration results obtained from both methods compare favorably with the theoretical sensitivity versus temperature model. Implementation of the HTHFS in several types of transient thermal testing …
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Tracking hot spot dynamics in solid state explosives with shock compression microscopy
… temporal and spatial resolution. A 32-channel pyrometer was used to determine explosive temperature histories with 2 ns resolution, while multi-frame, high-speed photography simultaneously captured short movies of explosive behavior with 2 µm resolution. The entire shock-pump, visible …
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Observations from a Long Duration X-Ray Source for Laboratory Astrophysics
… of the x-ray flux. The SOP is a Streaked Optical Pyrometer that can be used to extract the brightness temperature of the shock front. The gated grating spectrometer records the spectral distribution of the broadband x-ray flux over a photon energy interval of almost 2 keV; this spectral …
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Comprehensive Black Liquor Droplet Combustion Studies
… surface temperature measured with the optical pyrometer. This temperature gradient between the droplet interior and surface can be larger than 300 K. Molecular-beam mass spectrometry data were used to determine droplet mass loss and off-gas composition. These mass-loss data differ by about 10% …
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Laser treatment of Asphaltene based Carbon Fibers
… generates energy measured above 2000 °C using a pyrometer, by adjusting scan speed, laser power, and treatment direction, different temperature profiles are obtained. Graphitized asphaltene-based carbon fiber exhibits an enhanced strength-to-weight ratio, improved thermal stability, increased …
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