Rozet, Eric Lebrun, Pierre Michiels, Jean-François Sondag, Perceval Scherder, Tara Boulanger, Bruno The results suggest that an optimized MPL, in terms of heat and mass transfer coefficients, has an average pore size of 122 nm and 63% porosity.Īnalytical procedure validation and the quality by design paradigm. A correlation generated from the analytical model was used in a multi objective genetic algorithm to predict the pore size distribution and porosity for an MPL with optimized thermal conductivity and mass diffusivity. The proposed analytical model predicts the experimental thermal conductivities within 5%. The thermal conductivities of carbon paper samples with and without MPL were measured as a function of load (1-6 bars) and the MPL thermal conductivity was found between 0.13 and 0.17 W m-1 K-1. The proposed model is successfully validated against experimental data obtained from a transient plane source thermal constants analyzer. Thermal conductivity of microporous layers: Analytical modeling and experimental validationĪndisheh-Tadbir, Mehdi Kjeang, Erik Bahrami, MajidĪ new compact relationship is developed for the thermal conductivity of the microporous layer (MPL) used in polymer electrolyte fuel cells as a function of pore size distribution, porosity, and compression pressure. However, the control scheme is not addressed in this study. Based on the observed response of the mount a suitable controller can be designed for it. The experimental results were also used to validate the ability of the analytical model in predicting the response of the MR mount. The manufactured mount was tested to evaluate the effectiveness of each mode individually and in combination. The experimental phase of this research was carried by fabricating and testing the actual MR mount. Furthermore, in order to produce the actual prototype, the analytical model was used to identify the optimal geometry of the mount. The analytical model was used to predict the performance of the MR mount with different sets of parameters. Each mode is powered by an independent electromagnet, so one mode does not affect the operation of the other. The magnetorheological mount employs flow (valve) mode and squeeze mode. In this research, an analytical model of a mixed-mode MR mount was constructed. This characteristic places MR mounts in the class of semiactive isolators making them a desirable substitution for the passive hydraulic mounts. MR fluid based devices have received attention due to the MR fluid's capability to change its properties in the presence of a magnetic field. To date, the suspension system of several high performance vehicles has been equipped with MR fluid based dampers and research is ongoing to develop MR fluid based mounts for engine and powertrain isolation. Magnetorheological (MR) fluid has been increasingly researched and applied in vibration isolation devices. Nguyen, The Ciocanel, Constantin Elahinia, Mohammad (BT)Īnalytical modeling and experimental validation of a magnetorheological mount Methods validated by AOAC are used by the EPA and FDA in their enforcement programs and are granted preferential treatment by the courts. The procedures utilized by the Association of Official Analytical Chemists (AOAC) to develop, evaluate, and validate analytical methods for the analysis of chemical pollutants are detailed. ERIC Educational Resources Information Center
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |