A5048527835- Innovative Microfluidic and Catalytic Techniques Innovation
- Fluid Dynamics and Mixing
- Dark Matter and Cosmic Phenomena
- Fluid Dynamics and Heat Transfer
- Particle Detector Development and Performance
- Fluid Dynamics and Thin Films
- Heat Transfer and Boiling Studies
- Particle physics theoretical and experimental studies
- Heat Transfer and Optimization
- Atomic and Subatomic Physics Research
- Electrohydrodynamics and Fluid Dynamics
- Microfluidic and Capillary Electrophoresis Applications
- Pickering emulsions and particle stabilization
- Heat Transfer Mechanisms
- Integrated Energy Systems Optimization
- Wind Energy Research and Development
- Radiation Detection and Scintillator Technologies
- Minerals Flotation and Separation Techniques
- Energy Load and Power Forecasting
- Electrowetting and Microfluidic Technologies
- Radioactive Decay and Measurement Techniques
- Advanced Battery Technologies Research
- Nanofluid Flow and Heat Transfer
- Nonlocal and gradient elasticity in micro/nano structures
- X-ray Spectroscopy and Fluorescence Analysis
K.N.Toosi University of Technology
2023-2024
University of Toronto
2020-2023
University of Tehran
2014-2023
University of British Columbia
2020-2021
This article presents an analysis and the resulting limits on light dark matter inelastically scattering off of electrons, photon axion-like particle absorption, using a second-generation SuperCDMS high-voltage eV-resolution detector. The 0.93 gram Si detector achieved 3 eV phonon energy resolution; for bias 100 V, this corresponds to charge resolution 3% single electron-hole pair. spectrum is reported from blind with 1.2 gram-days exposure acquired in above-ground laboratory. With carrier...
We present limits on spin-independent dark matter-nucleon interactions using a 10.6 g Si athermal phonon detector with baseline energy resolution of ${\ensuremath{\sigma}}_{E}=3.86\ifmmode\pm\else\textpm\fi{}0.04(\mathrm{stat}{)}_{\ensuremath{-}0.00}^{+0.19}(\mathrm{syst})\text{ }\text{ }\mathrm{eV}$. This exclusion analysis sets the most stringent scattering cross-section achieved by cryogenic for matter particle masses from 93 to $140\text{ }\mathrm{MeV}/{c}^{2}$, raw exposure 9.9 d...
Recent experiments searching for $\mathrm{sub}\text{\ensuremath{-}}\mathrm{GeV}/{c}^{2}$ dark matter have observed event excesses close to their respective energy thresholds. Although specific the individual technologies, measured excess rates been consistently reported at or below energies of a few-hundred eV, with charges few electron-hole pairs. In present work, we operated 1-g silicon SuperCDMS-HVeV detector three voltages across crystal (0, 60 and 100 V). The 0 V data show an events in...
The deformation dynamics of a moving compound droplet inside microcapillary tube is investigated in Newtonian and non-Newtonian ambient fluids. numerical method used ternary phase-field model to determine the temporal evolution subsequent hydrodynamics droplets traveling tube. By solving axisymmetric momentum equations, movement identified by tracing spatiotemporal pair two deformable interfaces. Results indicate that rheological properties continuous phase significantly influence...
Two photo-neutron sources, $^{88}$Y$^{9}$Be and $^{124}$Sb$^{9}$Be, have been used to investigate the ionization yield of nuclear recoils in CDMSlite germanium detectors by SuperCDMS collaboration. This work evaluates for recoil energies between 1 keV 7 at a temperature $\sim$ 50 mK. We use Geant4 simulation model neutron spectrum assuming charge that is generalization standard Lindhard consists two energy dependent parameters. perform likelihood analysis using simulated spectrum, modeled...
Abstract The passage of a rising air bubble through stratified horizontal interface between two Newtonian liquids is studied numerically. A ternary phase‐field model has been utilized for capturing the three immiscible fluids. According to previous studies, density, viscosity, and surface tension liquids, in addition diameter, are effective parameters interaction with interface. By changing these variables, main flow patterns identified numerical simulations. Penetration regime observed when...
Microfluidic on-chip production of microgels employing external gelation has numerous biological and pharmaceutical applications, particularly for the encapsulation delicate cargos; however, in microfluidic devices can be challenging due to problems such as clogging caused by accelerated progress precursor solution viscosity. Here, we introduce a novel design incorporating two consecutive coflow geometries droplet generation. A shielding oil phase is employed avoid emulsification stages from...
Abstract Analysis of porous fins for their higher heat transfer in comparison with solid identical volumes has attracted significant attention. In this paper, a two‐dimensional thermal analysis fin having variable conductivity coefficient is performed using finite difference method. Heat through media simulated passage velocity from Darcy's model. The the phase considered as linear function temperature. It found that temperature profile completely even high Rayleigh and Darcy numbers (Ra =...
The Cryogenic Dark Matter Search low ionization threshold experiment (CDMSlite) achieved efficient detection of very small recoil energies in its germanium target, resulting sensitivity to Lightly Ionizing Particles (LIPs) a previously unexplored region charge, mass, and velocity parameter space. We report first direct-detection limits calculated using the optimum interval method on vertical intensity cosmogenically-produced LIPs with an electric charge smaller than $e/(3\times10^5$), as...
In this paper, performance of centrifugal pump as turbine (PAT) is investigated numerically. Three different specific speeds are considered and three pumps designed using diagrams from catalogues CFturbo V.9 software. Next, models analyzed by Ansys CFX 16 software results compared with those Also, a mesh study analysis for one case performed in order to show the effect grid size on solution. addition, flow rates 75%, 100%, 125% best efficiency point (BEP) extracting head-flow rate comparing...
In this paper, the 10-minutes period measured wind speed data at different heights (10 m, 30 and 40 m) are presented for Khvaf, which is one of major counties with high potential in Khorasan provinces Iran. To author’s knowledge, there hasn’t been any assessment works mentioned site. From primary evaluation by determining mean also Weibull function, results show that measurement site falls under class 7 International System Wind Classification, means station has very suitable conditions...