Derek Dunn‐Rankin

ORCID: 0000-0003-2926-589X
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About
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Research Areas
  • Combustion and flame dynamics
  • Advanced Combustion Engine Technologies
  • Combustion and Detonation Processes
  • Fluid Dynamics and Heat Transfer
  • Particle Dynamics in Fluid Flows
  • Electrohydrodynamics and Fluid Dynamics
  • Fire dynamics and safety research
  • Aerosol Filtration and Electrostatic Precipitation
  • Methane Hydrates and Related Phenomena
  • Spectroscopy and Laser Applications
  • Atmospheric and Environmental Gas Dynamics
  • Thermochemical Biomass Conversion Processes
  • Lightning and Electromagnetic Phenomena
  • Wind and Air Flow Studies
  • Plant Surface Properties and Treatments
  • Computational Fluid Dynamics and Aerodynamics
  • Spectroscopy Techniques in Biomedical and Chemical Research
  • Laser Design and Applications
  • Digital Holography and Microscopy
  • Spacecraft and Cryogenic Technologies
  • Inhalation and Respiratory Drug Delivery
  • Air Quality and Health Impacts
  • Coal Combustion and Slurry Processing
  • Hydrocarbon exploration and reservoir analysis
  • Air Quality Monitoring and Forecasting

University of California, Irvine
2015-2024

Irvine University
2013-2024

Samueli Institute
2019

University of California System
2004-2009

National Cheng Kung University
2008-2009

University of California, Berkeley
1986-2005

Imperial College London
1998

Sandia National Laboratories California
1987-1988

Lawrence Berkeley National Laboratory
1986-1987

We report on a continuous method for controlled electrospinning of polymeric nanofibers two-dimensional (2D) and three dimensional (3D) substrates using low voltage near-field (LV NFES). The overcomes some the drawbacks in more conventional by superelastic polymer ink formulation. viscoelastic nature our enables at very 200 V, almost an order magnitude lower than NFES, thereby reducing bending instabilities increasing control resulting jet. In one application, are freely suspended between...

10.1021/nl2006164 article EN Nano Letters 2011-03-29

10.1016/j.pecs.2005.04.001 article EN Progress in Energy and Combustion Science 2005-01-01

This article describes the combustion behavior of combustible gases as they are released from clathrate cages a hydrate. Gas hydrates (clathrates) ice-like crystalline solids that encapsulate guest gas molecules. It has become known significant methane storehouse is in form on sea floor and arctic permafrost. There great interest this large fuel storehouse, particularly how to extract clathrates. One unique features it flammable, despite being 85% water – fiery ice. While clathrates most...

10.1016/j.pecs.2023.101111 article EN cc-by-nc-nd Progress in Energy and Combustion Science 2024-01-12

10.1016/j.elstat.2005.09.005 article EN Journal of Electrostatics 2005-10-13

10.1016/j.combustflame.2013.05.002 article EN Combustion and Flame 2013-05-30

This research studies the structure of flames that use laboratory-produced methane hydrates as fuel, specifically for purpose identifying their key combustion characteristics. Combustion a hydrate involves multiple phase changes, large quantities solid clathrate transform into fuel gas, water vapor, and liquid during burning. With its unique stable energy storage capability, in are focused on potential usage an alternative source or fire safety. Considering conventional resource studying...

10.3390/en12101939 article EN cc-by Energies 2019-05-21

10.1016/s1540-7489(02)80117-1 article EN Proceedings of the Combustion Institute 2002-01-01

Natural gas hydrates in sediments can never reach thermodynamic equilibrium. Every section of any hydrate-filled reservoir is unique and resides a stationary balance that depends on many factors. Fluxes hydrocarbons from below support formation new hydrate, inflow water through fracture systems leads to hydrate dissociation. Mineral/fluid/hydrate interaction geochemistry are some the other factors determine local saturation pores. Even when using real coring it impossible reproduce...

10.3390/en12173399 article EN cc-by Energies 2019-09-03

10.1016/j.proci.2006.08.030 article EN Proceedings of the Combustion Institute 2006-09-12

Abstract Combustion‐driven thermophotovoltaic (TPV) systems have obtained increasing attention in recent decades, but most studies focused on developing narrowband photovoltaic cells and selective emitters. In terms of the heat source, conventional combustion configurations light gaseous fuels are extensively utilized macro‐ or meso‐scale TPV power to simplify thermal management mechanical fabrication. As far as miniaturization is concerned, however, fuelling these with liquid hydrocarbons...

10.1002/pip.877 article EN Progress in Photovoltaics Research and Applications 2008-12-24
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