Results 161 to 170 of about 2,968 (214)

Workflow for Design of Experiments‐Based Modeling of Species Transport and Growth Kinetics in GaN Hydride Vapor Phase Epitaxy

Advanced Engineering Materials, EarlyView.
A novel workflow for investigating hydride vapor phase epitaxy for GaN bulk crystal growth is proposed. It combines Design of experiments (DoE) with physical simulations of mass transport and crystal growth kinetics, serving as an intermediate step between DoE and experiments.
J. Tomkovič, G. Lukin, H. Torkashvand, A. Kerschbaum, M. Müller, S. Besendörfer, J. Heitmann, J. Friedrich   +7 more
wiley   +1 more source

Production of MgO/TiC Composites From MgO‐C Recyclates Using Spark Plasma Sintering

Advanced Engineering Materials, EarlyView.
Using the spark plasma sintering technique, MgO/TiC composites are manufactured from recycled MgO‐C refractories stemming from the steel production that were mixed with titanium powder. This article shows, how the size of the Ti grains and their distribution in the powder mixture affect the local carbon concentration in TiC.
Jiayan Yu, Christian Schimpf, Stefan Martin, David Rafaja   +3 more
wiley   +1 more source

Enhanced Strength and Corrosion Resistance of Ti‐13Nb‐12Ta‐10Zr‐4Sn Alloy by Aging Treatment

Advanced Engineering Materials, EarlyView.
This work systematically investigates the effect of aging treatment on mechanical properties and corrosion behavior of vacuum arc‐melted Ti‐13Nb‐12Ta‐10Zr‐4Sn alloy. Owing to the increased α″ martensite, strength and corrosion resistance were significantly enhanced by aging treatment.
Yuhua Li, Rong Zhao, Qian Zhang, Haojie Wang, Yujing Liu, Lai‐Chang Zhang   +5 more
wiley   +1 more source

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Recent Review On Preparation Method, Mixing Ratio, and Heat Transfer Application Using Hybrid Nanofluid

Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 2022
Hybrid nanofluid is the extension from nanofluid that had been recently discovered, which can enhance heat transfer performance of heat transfer application. However, there were limited reviews had been done on the effect of surfactant on thermal conductivity and the mixing ratio of hybrid nanofluid.
Harun, Muhammad Arif, Che Sidik, Nor Azwadi, Asako, Yutaka, Tan, Lit Ken   +3 more
openaire   +2 more sources

Transient Exhaust Gas Recirculation Ratio Measurement Utilizing Heated NDIR Method

SAE Technical Paper Series, 2012
<div class="section abstract"><div class="htmlview paragraph">Most of the recent clean diesel engines are equipped with an exhaust gas recirculation (EGR) technology in order to meet the strict criteria of NOx and particulate matter (PM) as required in the current emission regulations.
Tomoshi Yoshimura, Masaru Miyai, Hiroshi Nakamura   +2 more
openaire   +1 more source

Uncertainty in sap flow of Brazilian mahogany determined by the heat ratio method

Journal of Forestry Research, 2020
The tropical arboreal species Brazilian mahogany (Swietenia macrophylla) is very important economically and ecologically, for which understanding ecophysiological variables such as sap flow will improve understanding of the species and its cultivation. This paper aims to measure uncertainties (U) involved in the application of the heat ratio method for
Alisson Macendo Amaral, Frederico Antonio Loureiro Soares, Lucas Melo Vellame, Marconi Batista Teixeira   +3 more
openaire   +1 more source

Application of Baseline Correction Techniques to the “Ratio Method” of DSC Specific Heat Determination

International Journal of Thermophysics, 1998
The measurement of specific heat by heat flux differential scanning calorimetry using the “ratio method” requires three consecutive runs (baseline, reference and sample) to be performed using identical temperature programs. Traditionally measurements are taken as the sample of interest is subjected to a controlled heating rate, but it is also possible ...
T. L. Shaw, J. C. Carrol
openaire   +1 more source

Stable monolithic immersed boundary projection method for particle sedimentation with heat transfer at density ratios near unity

Physics of Fluids, 2023
This study proposes a highly stable and efficient monolithic immersed boundary projection method with staggered time discretization for particle sedimentation with heat transfer at density ratios near unity. To achieve the implicit coupling of fluid and solid motion, the proposed method uses a monolithic approach that incorporates temperature, fluid ...
Tiantian Xu, Jung-Il Choi
openaire   +1 more source

Design and Verification of Minimum Length Nozzles with Specific/Variable Heat Ratio Based on Method of Characteristics

International Journal of Computational Methods, 2016
Two-dimensional (2D) and axisymmetric minimum length nozzles (MLN) with constant and variable specific heat were strictly designed using the method of characteristics. Requirements for the exit Mach number and flow field uniformity were proposed for the nozzles design.
Fu, Lei, Zhang, Shuai, Zheng, Yao
openaire   +2 more sources

Method for Estimating Compression Ratio and Heat Transfer Multiplier Using GT-Power and Experimental Pressure Traces

ASME 2020 Internal Combustion Engine Division Fall Technical Conference, 2020
Abstract Crank-angle resolved cylinder pressure data is valuable for characterizing engine performance and various techniques have been developed for post-processing the pressure traces to understand the rate of heat release and its overall impact on engine performance.
Thomas Lavertu, Adam Klingbeil
openaire   +1 more source