Academic literature on the topic 'Thermal Repeatability'

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Journal articles on the topic "Thermal Repeatability"

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Shao, J., P. J. Lister, G. D. Hart, and H. B. Pearson. "Thermal mapping: Reliability and repeatability." Meteorological Applications 3, no. 4 (2007): 325–30. http://dx.doi.org/10.1002/met.5060030405.

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Yang, Kai, and Ming Li Jiao. "Study on the Effect of Surface Coating on Thermal Manikin's Repeatability." Applied Mechanics and Materials 117-119 (October 2011): 1425–28. http://dx.doi.org/10.4028/www.scientific.net/amm.117-119.1425.

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Thermal manikin is a system of simulating figures and heat states of human body. Present thermal manikin is always enclosed by hard materials, and not covered with surface coating. So the surface condition of thermal manikin is very different with real body, which reduces thermal manikin's repeatability. Therefore the research on thermal manikin's surface coating and its effect on thermal manikin's repeatability are necessary. In this paper, an appropriate material was selected to be thermal manikin's surface coating and the satisfying result in improving the repeatability of thermal manikin w
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Sand, Trond, Kristian Bernhard Nilsen, Knut Hagen, and Lars Jacob Stovner. "Repeatability of cold pain and heat pain thresholds: The application of sensory testing in migraine research." Cephalalgia 30, no. 8 (2010): 904–9. http://dx.doi.org/10.1177/0333102409356023.

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Normal heat pain threshold (HPT) and cold pain threshold (CPT) repeatability should be estimated in order to identify thermal allodynia in longitudinal studies, but such data are scarce in the literature. The aim of our study was to estimate normal HPT and CPT repeatability in the face, forehead, neck and hand. In addition, we reviewed briefly normative studies of thermal pain thresholds relevant for headache research. Thermal pain thresholds were measured on three different days in 31 healthy headache-free subjects. Coefficients of repeatability and normal limits were calculated. HPT and CPT
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Varentsov, Mikhail, Natalia Shartova, Mikhail Grischenko, and Pavel Konstantinov. "Spatial Patterns of Human Thermal Comfort Conditions in Russia: Present Climate and Trends." Weather, Climate, and Society 12, no. 3 (2020): 629–42. http://dx.doi.org/10.1175/wcas-d-19-0138.1.

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AbstractThe assessment of bioclimatic conditions at the national scale remains a highly relevant task. It might be one of the main parts of the national strategy for the sustainable development of different regions under changing climatic conditions. This study evaluated the thermal comfort conditions and their changes in Russia according to gridded meteorological data from ERA-Interim reanalysis with a spatial resolution of 0.75° × 0.75° using the two most popular bioclimatic indices based on the human energy balance: physiologically equivalent temperature (PET) and universal thermal comfort
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Xia, Yongpeng, Weiwei Cui, Huanzhi Zhang, et al. "Synthesis of three-dimensional graphene aerogel encapsulated n-octadecane for enhancing phase-change behavior and thermal conductivity." Journal of Materials Chemistry A 5, no. 29 (2017): 15191–99. http://dx.doi.org/10.1039/c7ta03432f.

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Jia, Mochen, Zhen Sun, Hanyu Xu, et al. "An ultrasensitive luminescent nanothermometer in the first biological window based on phonon-assisted thermal enhancing and thermal quenching." Journal of Materials Chemistry C 8, no. 44 (2020): 15603–8. http://dx.doi.org/10.1039/d0tc04082g.

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Shi, Dong-liang, Zhi-ming Geng, Lu Shi, Ying Li, and Kwok-ho Lam. "Thermal stability study of Cu1.97Se superionic thermoelectric materials." Journal of Materials Chemistry C 8, no. 30 (2020): 10221–28. http://dx.doi.org/10.1039/d0tc01085e.

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Byrne, D. T., D. P. Berry, H. Esmonde, and N. McHugh. "Temporal, spatial, inter-, and intra-cow repeatability of thermal imaging1." Journal of Animal Science 95, no. 2 (2017): 970–79. http://dx.doi.org/10.2527/jas.2016.1005.

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Byrne, D. T., D. P. Berry, H. Esmonde, and N. McHugh. "Temporal, spatial, inter-, and intra-cow repeatability of thermal imaging." Journal of Animal Science 95, no. 2 (2017): 970. http://dx.doi.org/10.2527/jas2016.1005.

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Vanderlaan, M., D. Stubbs, K. Ledeboer, J. Ross, S. Van Sciver, and W. Guo. "Repeatability Measurements of Apparent Thermal Conductivity of Multilayer Insulation (MLI)." IOP Conference Series: Materials Science and Engineering 278 (December 2017): 012195. http://dx.doi.org/10.1088/1757-899x/278/1/012195.

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Dissertations / Theses on the topic "Thermal Repeatability"

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Ellis, Brent Earl. "Assessment of the Repeatability and Sensitivity of the Thermoelectric Perfusion Probe." Thesis, Virginia Tech, 2006. http://hdl.handle.net/10919/36336.

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<p>The Thermoelectric Perfusion Probe is a completely electronic system that cyclically heats and cools tissue to measure blood perfusion. The probe produces the thermal event with a thermoelectric cooler and then measures the resulting heat flux and temperatures: the arterial temperature and the sensor temperature (the temperature between the heat flux gage and the skin). The Thermoelectric Perfusion Probe was validated and calibrated on a phantom tissue test stand, a system that simulates perfusion with known, controlled flow. With the new pressed sensor technology, a thermocouple sealed
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Seaman, Shane Thomas. "Material Related Effects on the Structural Thermal Optical Performance of a Thermally Tunable Narrowband Interferometric Spectral Filter." Diss., Virginia Tech, 2019. http://hdl.handle.net/10919/90799.

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High Spectral Resolution Lidar (HSRL) is a backscatter lidar technique that employs an optical/spectral filter to distinguish between particulate (Mie) and molecular (Rayleigh) backscattered light. By separating the two types of returns, higher accuracy measurements are possible that will enable improved climate models, air quality measurements, and climate forecasting. A spaceborne HSRL instrument can provide great impact in these areas by enabling near-continuous measurements across the Earth, however the optical filter technology has typically been too complex for reliable long-duration spa
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Novák, Pavel. "Návrh zařízení pro vyvolání opakovatelného průběhu krouticího momentu při zkouškách řízení vozidla." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229856.

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The object of this work is design braking device with high repeatability and reproducibility that is used to analyse the measurement system. I developed this work in cooperation with TRW-DAS Dačice a.s. At the beginning, I made a search of the chassis system, testing of ball joints and steering. Furthermore, I made search of the MSA and the types of braking devices. The rest of the work is focused on the design and the thermal analysis of braking device. Then there are the actual test.
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Hubbard, Neal B. "Dual-stage Thermally Actuated Surface-Micromachined Nanopositioners." Diss., CLICK HERE for online access, 2005. http://contentdm.lib.byu.edu/ETD/image/etd743.pdf.

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Wu, Chun-Yi, and 吳君毅. "Power Electronics Devices Thermal Resistance Measurement Method Improvement and Repeatability Analysis." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/gfy92q.

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碩士<br>國立交通大學<br>機械工程系所<br>106<br>The high power dissipation and poor thermal conductivity for AlGaN/GaN HEMT power device can result in a serious self-heating effect on the topside surface due to lateral topologies, which will need a well thermal management. This paper proposes a simple, non-invasive, high repeatability and no restricts by the device package method that can evaluate the static and transient thermal resistance constitution. This method is based on the transient thermal resistance by the measurement of the temperature sensitivity electrical parameter for the AlGaN/GaN HEMT. Nowa
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Chao, Chun Ming, and 趙駿銘. "Improvement of Thin Film Uniformity and Repeatability through a Laminar Flow Control in OLED Thermal Evaporation." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/54393926407327789299.

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碩士<br>國立臺灣科技大學<br>自動化及控制研究所<br>102<br>Thermal evaporation is a well-developed technology widely used in OLED (organic light-emitting diode) of the thin film deposition processes. The organic materials are highly expensive with a low utilization rate of only 10% to 15%. Additionally, the instability and controllability of the deposition is also a concern on the production of OLED. These barriers will have to be overcomed in order to achieve a better yield in OLED mass production. This thesis explores the design of laminar flow plates (dual laminar partition) to improve the stability and control
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Chetty, Kinesh. "Phenotypic flexibility in the basal metabolic rate of Laughing Doves (Streptopelia Senegalensis) in response to short-term thermal acclimation." Thesis, 2008. http://hdl.handle.net/10539/4573.

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ABSTRACT Phenotypic flexibility in basal metabolic rate (BMR) in response to short-term thermal acclimation was assessed in the Laughing Dove (Streptopelia senegalensis), a common resident bird species distributed throughout most of southern Africa. I hypothesised that S. senegalensis would display flexibility in BMR over short time scales and that this flexibility would be reversible. Additionally, I hypothesised BMR to be repeatable, and that changes in BMR would be correlated with changes in organ mass. I tested these hypotheses by measuring BMR in three groups of 10 birds before and
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Book chapters on the topic "Thermal Repeatability"

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Hötte, Felix, Oliver Günther, Christoph von Sethe, Matthias Haupt, Peter Scholz, and Michael Rohdenburg. "Lifetime Experiments of Regeneratively Cooled Rocket Combustion Chambers and PIV Measurements in a High Aspect Ratio Cooling Duct." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53847-7_18.

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Abstract This paper aims at experimental investigations of the life limiting mechanisms of regeneratively cooled rocket combustion chambers, especially the so called doghouse effect. In this paper the set up of a cyclic thermo-mechanical fatigue experiment and its results are shown. This experiment has an actively cooled fatigue specimen that is mounted downstream of a subscale GOX-GCH$$_{\text {4}}$$ combustion chamber with rectangular cross section. The specimen is loaded cyclically and inspected after each cycle. The effects of roughness, the use of thermal barrier coatings, the length of the hot gas phase, the oxygen/fuel ratio and the hot gas pressure are shown. In a second experiment the flow in a generic high aspect ratio cooling duct is measured with the Particle Image Velocimetry (PIV) to characterize the basic flow. The main focus of the analysis is on the different recording and processing parameters of the PIV method. Based on this analysis a laser pulse interval and the window size for auto correlation is chosen. Also the repeatability of the measurements is demonstrated. These results are the starting point for future measurements on the roughness effect on heat transfer and pressure loss in a high aspect ratio cooling duct.
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Conference papers on the topic "Thermal Repeatability"

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Hubbard, Neal B., and Larry L. Howell. "Experimental Repeatability of a Thermal Actuator for Nanopositioning." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-59616.

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Microactuators are increasingly being applied to nanometer-accurate position control. The purpose of this paper is to investigate the feasibility of using the thermomechanical in-plane microactuator (TIM) in nanopositioning applications. The TIM is a class of thermal actuators in which electric current flows through thin beams which are arranged in a chevron pattern. The beam angle and end constraints amplify the thermal expansion to achieve a larger output displacement. As a fully compliant mechanism, the TIM has potential for superb accuracy because it does not experience friction or backlas
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Elkholy, Ahmed, and Roger Kempers. "Investigation of Surface Aging Effects on the Repeatability of Saturated Pool Boiling Heat Transfer." In 2020 19th IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm). IEEE, 2020. http://dx.doi.org/10.1109/itherm45881.2020.9190345.

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Riddle, Lenn A., James R. Tucker, and A. Marcel Bluth. "Composite tube and plate manufacturing repeatability as determined by precision measurements of thermal strain." In SPIE Optical Engineering + Applications, edited by Joseph L. Robichaud, Matthias Krödel, and William A. Goodman. SPIE, 2013. http://dx.doi.org/10.1117/12.2026693.

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Grange, Spencer, Heather Dillon, Ann Mescher, and Ashley Emery. "Thermal Effects During Hollow Polymer Fiber Drawing." In ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajtec2011-44564.

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Cylindrical hollow polymer fibers are drawn in an environment in which the heat transfer is approximately half radiative and half convective. A preform is introduced into the drawing furnace through an iris, travels vertically downward through the furnace, and fiber of reduced diameter exits through a bottom iris. For photonic crystal and biomedical applications one or more circular channels are drilled longitudinally in the preform. Challenges arise in the manufacture of hollow polymer fibers because the hole to outer diameter (aspect) ratio of the preform can change as the material is heated
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Benjamin, Michael A., Andrew M. Odar, Erlendur Steinthorsson, and Charles B. Cotten. "Indirect Spray Evaporative Thermal Management for Semiconductor Burn-In." In ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems collocated with the ASME 2005 Heat Transfer Summer Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/ipack2005-73189.

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Semiconductor burn-in testing is one of several quality assurance tests conducted during High Volume Manufacturing (HVM) of semiconductor logic devices. The goal of burn-in is to induce “infant mortality” component failures. To accelerate infant mortality defects, semiconductor devices are subjected to stressing techniques that induce heat levels, typically, 100%–300% greater than end use environment heat loads. For this work, an indirect spray cooling method was developed and experimentally evaluated. In the indirect method, sprays are sealed within a spraycap (evaporator) that is thermally c
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Ishida, Kenji, Masataka Kosaka, and Masanori Monde. "Dew and Frost Points Measurements and Estimation for Residual Gases in High-Pressure Hydrogen." In ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajtec2011-44206.

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Dew and frost points estimation procedure for phase equilibrium systems with solid phases as condensed phases was developed utilizing Peng-Robinson equation of state (PR-EOS), and estimation for H2+H2O systems corresponding to actual hydrogen stations of pressure up to 70 MPa were carried out. It became clear that condensable components in hydrogen stations were only water. Dew and frost point measurement system with high pressure test cell utilizing cooled mirror technique with original visible image analysis were designed and produced. The system was designed available for frost point temper
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Sponagle, Benjamin, and Dominic Groulx. "Characterization of Thermal Interface Materials Using a Steady State Experimental Method." In ASME 2012 Heat Transfer Summer Conference collocated with the ASME 2012 Fluids Engineering Division Summer Meeting and the ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ht2012-58262.

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One method for characterizing the contact conductance of Thermal Interface Materials (TIMs) is the steady state one dimensional heat flow method typified by ASTM D5470. A test apparatus and procedure were developed which use the basic theory of steady state testing TIMs and improves upon the accuracy and repeatability of the standard test. This procedure and apparatus were used to test the contact conductance of the interface four commercial available TIMs. These materials include: Laird Tflex 720, Laird Tmate 2905c, Chomerics Cho-Therm T500, and Chomerics Cho-Therm 1671. It was found that the
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Messenger, Robert K., Timothy W. McLain, and Larry L. Howell. "Improved Nanopositioning Resolution Through Piezoresistive Feedback Control of a MEMS Thermal Actuator." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-81209.

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Utilizing the piezoresistive properties of polysilicon as an on-chip sensing mechanism facilitates the implementation of feedback control on surface-micromachined MEMS devices. We have performed nanopositioning resolution tests on a MEMS thermal actuator, both open and closed loop, to demonstrate the performance improvements possible with feedback control. A thermomechanical in-plane microactuator (TIM), fabricated using the MUMPS fabrication process, was used in this study. The actuator was coupled to a piezoresistive displacement sensor (PRDS) that was fabricated as part of the same process.
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Radulescu, A. V., and I. Radulescu. "OPTIMIZATION OF LITHIUM SOAP-BASED GREASE TESTING METHODOLOGY BASED ON MEASUREMENTS REPEATABILITY." In BALTTRIB. Aleksandras Stulginskis University, 2017. http://dx.doi.org/10.15544/balttrib.2017.18.

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The purpose of the paper is to investigate the rheological properties of a lithium soap-based grease, using a Brookfield viscometer. An optimized methodology was proposed, applicable to the tested grease, which takes into account the possibility of reducing the testing time by analyzing the degree of measurements repeatability. Finally, the thermal variation of the rheological parameters (yield stress and viscosity) was obtained, in the temperature range 10...75 oC. The main result of the paper is the reducing of the testing time from 6 hours to 3 hours for one temperature, with the same preci
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Gashi, Bekim V., Trevor Toman, and Ranveer S. Matharu. "Task‐specific measurement uncertainty budget of Curvic‐coupling using analytical methods." In 19th International Congress of Metrology (CIM2019), edited by Sandrine Gazal. EDP Sciences, 2019. http://dx.doi.org/10.1051/metrology/201909007.

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A number of Industrial reference components manufactured by grinding to achieve tight dimensional tolerances. In this paper, we present an uncertainty budget of a reference forty-tooth #Curvic measured using an accurate Coordinate Measuring Machine (CMM) in a temperature-controlled laboratory. A number of measurements conducted on Curvicto assess measurement repeatability and reproducibility. Expanded uncertainty budget evaluated from twenty-one Influencing factors, giving8.7 µm (7.1 µm from Type A) and 11 µm (9.6 µm from Type A), respectively, for repeatability and reproducibility test (k &gt
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