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3 edition of Development of advanced high-temperature heat flux sensors found in the catalog.

Development of advanced high-temperature heat flux sensors

Development of advanced high-temperature heat flux sensors

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Published by United Technologies Corporation, Pratt & Whitney Group, Engineering Division in East Hartford, CT .
Written in English

    Subjects:
  • Aeronautical instruments.,
  • Heat flux transducers.,
  • Heat -- Transmission -- Instruments.

  • Edition Notes

    StatementWilliam H. Atkinson, Marcia A. Cyr and Richard R. Strange.
    SeriesNASA-CR -- 174973., NASA contractor report -- NASA CR-174973.
    ContributionsCyr, M. A., Strange, R. R., United States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15277644M

    @article{osti_, title = {Sensors for ceramic components in advanced propulsion systems: summary of literature survey and concept analysis, task 3 report}, author = {Bennethum, W H and Sherwood, L T}, abstractNote = {The results of a literature survey and concept analysis related to sensing techniques for measuring of surface temperature, strain, and heat flux for (non .


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Development of advanced high-temperature heat flux sensors Download PDF EPUB FB2

Development of advanced high-temperature heat flux sensors (SuDoc NAS ) [William H. Atkinson] on *FREE* shipping on qualifying : William H. Atkinson. Thin Film Heat Flux Sensor Development for Ceramic Matrix Composite (CMC) Systems NASA/TM— March sensors for advanced turbine engine components.

Stable, high temperature thin film ceramic thermocouples have there has been an increased need for in-situ measurement of high temperature heat flux in aerospace. Get this from a library.

Development of advanced high-temperature heat flux sensors. Phase II Verification testing. [William H Atkinson; Marcia A Cyr Cyr; Richard R Strange; United States. National Aeronautics and Space Administration.].

"Turbine Blade and Vane Heat Flux Sensor Developmentu; and a pre-HOST effort, NAS, "Advanced Hi gh Temperature Heat Flux Sensor Development". The objective of each of these contracts is to develop heat flux sensors for use on gas turbine Development of advanced high-temperature heat flux sensors book hot section Size: KB.

A range of thin film sensor technology has been demonstrated enabling measurement of multiple parameters either individually or in sensor arrays including temperature, strain, heat flux, and flow.

The need for a heat flux sensor capable of operation at high temperatures (> °C) led to the development of the High Temperature Heat Flux Sensor (HTHFS) at Virginia Tech. The present paper introduces a novel method for calibrating the HTHFS and other uncooled differential heat flux sensors at elevated sensor temperatures.

by: convection heat flux, and the kinds of sensors studied include thin film thermocouple heat flux sensor [7], Epoxy- Protected Thermopile heat flux sensor [8], and Bi x-Sb x-films heat flux sensor [9].

With the development of semiconductor and microelectronic technology, a new kind of. Flow sensor made of high temperature materials.

Multifunctional smart sensors being developed. Thin Film Physical Sensors for High Temperature Applications. Heat Flux Sensor Array to T=°C. Advantages for temperature, strain, heat flux, flow & pressure measurement: ♦ Negligible mass & minimally intrusive (microns thick) ♦. Wheatstone Bridge Heat Flux Sensors • In a single-sided bridge design (Figure 6), all arms are on the same side of the substrate, two with different thicknesses of thermal insulation than the other two • A high temperature sensor designed to measure the heat flux into the wall of a pulse detonation engine (PDE) has been fabricated (Figure 7) 9File Size: KB.

Heat Flux Sensors. Heat Flow Sensors to measure heat flow or thermal conductivity of materials. Close Thermal Conductivity Testers.

Unique range of thermal conductivity testers for a quick inspection of materials. See products. The need for quantitative research. Common sense is not the best approach. A majority of heat flux sensors employed in high-temperature environments require the use of water-cooled devices, such as the Schmidt-Boelter and Gordon models), resulting in cumbersome.

The heat flux can have different origins; in principle convective, radiative as well as conductive heat can be measured. Heat flux sensors are known under different names, such as heat flux transducers, heat flux gauges, heat flux plates. Some instruments that actually are single-purpose heat flux sensors like pyranometers for solar radiation measurement.

Specific measurement systems described here include heat flux sensors, a dynamic gas temperature measuring system, laser anemometry for hot section applications, an optical system for viewing the interior of a combustor during operation, thin film sensors for surface temperature and strain measurements, and high-temperature strain measuring Cited by: 6.

Sporian has successfully developed high-temperature operable pressure, temperature, thermal flux, strain, and flow sensors for gas path measurements in high-temperature turbine engines. These sensors are based on a combination of polymer derived ceramic (PDC) sensors, advanced high-temperature packaging, and integrated : Michael W.

Usrey, Yiping Liu, Mark Anderson, Jon Lubbers, Brady Knowles, Kevin Harsh, Evan Pilant. Heat Flux Transducers Standard Thermal Flux Meters.

The Thermal Flux Meter is a solid state, flat-plate transducer designed to measure heat flow directly. This meter is placed upon any surface through which heat flow is to be measured. thin film sensor technology •very thin, minimally intrusive sensors able to provide high temperature data without disturbing air flow •can be fabricated directly on ceramic and metal engine parts without the need to cut into the part.

•can be applied to metal based materials, ceramic materials, and ceramic matrix composites. •multifuntional, information rich sensors File Size: 3MB.

The titanium heat pipes can also reduce the heat pipe mass. High temperature Water Loop Heat Pipes (LHPs): These titanium/water LHPs extend the operating temperature range for LHPs from the current 60°C to °C.

Cold Plates with Oscillating Flow: A cold plate uses the oscillating flow of a single phase fluid to spread the heat. This paper presents a new method for the multidimensional reconstruction of the heat flux via distributed surface temperature measurements and its validation using hypersonic wind tunnel tests.

The first innovation is the formulation of the reconstruction in terms of the Green’s function, approximated using a weak Galerkin technique together Author: L.

Massa, J. Schetz. The challenge is to adapt the established calibration methods to suit the needs of high temperature heat flux sensors; this requires determination of the total heat flux to a sensor being calibrated.

The current study is intended to extend the in-cavity method to calibrate heat flux sensors at elevated by: 9. Development and validation of innovative sensors and improved methods for attaching to advanced high-temperature materials and integrating sensors into systems (wireless, wired or fiber optic).

Approaches to measure strain, temperature, heat flux, deflection, acoustics and/or acceleration of structural components are sought. His expertise covers the areas of thermal conductivity, lattice defects and transport, high temperature oxidation, high-heat-flux testing, and mechanical behavior of ceramic coating systems, with an emphasis on experimental investigation and analytical modeling of processing, thermal fatigue and fracture behavior of advanced protective coatings.

By the use of heat flux sensors, one can determine crucial information in relation to thermodynamics. Eventually, the raw data collection of various heat flux of materials is used in developing modern sensors which are used in the engineering industry.

Materials with high heat flux conduct heat easily. Design and Calibration of a Novel High Temperature Heat Flux Sensor by Sujay Raphael-Mabel Dr.

Thomas E. Diller and Dr. Scott Huxtable, Co-chairmen Mechanical Engineering (ABSTRACT) Heat flux gages are important in applications where measurement of the transfer of energy is more important than measurement of the temperature itself.

There is a need. This paper proposes and investigates the application of the gradient heat flux sensor (GHFS) for measuring the local heat flux in power electronics. Thanks to its thinness, the sensor can be placed between the semiconductor module and the heat sink.

The GHFS has high sensitivity and yields direct measurements without an interruption to the normal power device operation, Author: Elvira Baygildina, Liudmila Smirnova, Kirill Murashko, Raimo Juntunen, Andrey Mityakov, Mikko Kuisma.

Licensed content publication International Journal of Heat and Mass Transfer Licensed content title In situ High Temperature Heat Flux Sensor Calibration Licensed content author Clayton A. Pullins, Tom E. Diller Licensed content date August Licensed content volume number 53 Licensed content issue number Number of pages 10 Start Page The setup, including high temperature-heat flux sensors and thermocouples to be located within samples, has been applied to evaluate the thermal response of some of the above C-PCMs.

Experimental test results match Finite Elements (FE) simulations well, once a proper lattice model has been selected for the porous passive phase. A heat flux sensor is a commonly used name for a transducer generating a signal that is proportional to the local heat flux.

This heat flux can have different origins; in principle convective- radiative- as well as conductive heat can be measured. Heat flux sensors are known under different names, such as heat flux transducers, heat flux gauges, heat flux plates.

This calls for the use of sophisticated instrumentation to measure these parameters and transmit them in real time. In the present work, a wireless sensor network (WSN) based on a novel high-temperature thermocouple-cum-heat flux sensor has been : Anupam Purwar, Swaroop Anand Hangal.

Development of High Speed and High Temperature Atomic Layer Thermopiles This work aims to provide a technique with which high frequency heat flux measurement data can be acquired in systems with high operational temperatures and high-speed flows with quantifiable and accurate uncertainty estimates.

High temperature, Sensors, Calibration. loss. Methods for temperature and heat flux measurements, as well as uncertainties analysis, were also discussed. Introduction. Temperature and heat flux measurements are important factors that need to be considered in fire test experiment for aero-engine applications.

These two factors require accurate sensors that can easilyAuthor: I Mohammed, A R Abu Talib, M T H Sultan, S Saadon. Concept Engineering is a leading designer and manufacturer of Heat Flux Transducers/Sensors and Infrared Radiometer.

Our customer base spreads worldwide and includes all branches of the US Government, many Universities, National Laboratories and various sectors in the industry for on-line process control. This paper presents a statistical evaluation of the responsivity data on a number of heat-flux sensors, calibrated using an electrical substitution radiometer as a transfer standard up to 5 Wcm − sensors, furnished by the customers, were of circular-foil or thermopile type.

Randall K. Kirschman has been in private practice since as a consultant for industry, government, and academe in the areas of microelectronic materials, assembly and packaging technology, and electronics for extreme temperatures.

Prior toDr. Kirschman managed the Processing Laboratory at the R & D Center of Eaton Corporation, Electronic Instrumentation. Independent measurements of temperature and heat flux support the development and validation of engineering models of fires and other high environments, such as furnaces.

For tests of fire protection materials and structural assemblies, temperature and heat flux are necessary to fully specify the boundary conditions, also known as the thermal exposure.

The term flux, is used to indicate the amount of something crossing a unit area per second. In the case of heat flux, it would be the number of calories or BTU crossing a square meter or foot per. Embedded thermocouples and heat flux sensors were deposited onto superalloy substrates and subjected to a number of high temperature tests including isothermal furnace heating, cyclic burner rig testing, and continuous flame impingement.

Initial testing yields Seebeck coefficients within 3% of commercial thermocouples. heat flux sensors is in progress at the National Institute of Standards and Technology.

This pro gram includes the development or upgrading of separate radiative, convec-tive, and conduction heat transfer facilities in which a variety of sensors can be calibrated.

This paper deals with work being carried out in the Optical Technology. This increase was observed when the magnetic field was applied parallel to the heat flux. The study of Li et al. was also performed with water‐based ferrofluids and an increase in the on‐state (magnetic field, H = 19 kA/m) thermal conductivity of 11% for 1 vol% and 25% for 5 vol% magnetic nanoparticles was reported [ 30 ].Cited by: 1.

64 series heat flux transducers and infrared radiometers for the direct measurement of heat transfer rates • linear output • output directly proportional to heat transfer rate • accurate, rugged, reliable • uncooled models, water cooled models, gas purged models • radiometer and limited view accessories • measure total heat flux • measure radiant heat fluxFile Size: KB.

Description: two measures air velocity due to the heat loss from the RTD sensor as it cools down by the air flow. The sensor probe is offered in two configurations, fixed probe and remote telescopic probe. The HHF series offers many standard features such as high and low alarm Accuracy: to ±% Full Scale.

Development of Spray Cooling for High Heat Flux Electronics A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Electrical Engineering By Jeremy Junghans University of Arkansas Bachelor of Science in Electrical Engineering, December University of ArkansasCited by: [email protected]{osti_, title = {Scaling Studies for Advanced High Temperature Reactor Concepts, Final Technical Report: October —December }, author = {Woods, Brian and Gutowska, Izabela and Chiger, Howard}, abstractNote = {Computer simulations of nuclear reactor thermal-hydraulic phenomena are often used in the design and licensing of nuclear reactor .Looking for abbreviations of HTHFS?

It is High Temperature Heat Flux Sensor. High Temperature Heat Flux Sensor listed as HTHFS. High Temperature Heat Flux Sensor - How is High Temperature Heat Flux Sensor abbreviated? High Temperature Integrated Electronics and Sensors; High Temperature Laser Sintering Equipment; High Temperature Lattice.