E Langham

ORCID: 0000-0002-2439-015X
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About
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Research Areas
  • Smart Grid Energy Management
  • Electric Power System Optimization
  • Renewable energy and sustainable power systems
  • Cryospheric studies and observations
  • Icing and De-icing Technologies
  • Global Energy Security and Policy
  • Forest Management and Policy
  • Housing, Finance, and Neoliberalism
  • Aerospace Engineering and Energy Systems
  • Magnetic Properties and Applications
  • Global Energy and Sustainability Research
  • Evolutionary Algorithms and Applications
  • Methane Hydrates and Related Phenomena
  • Advanced Thermodynamics and Statistical Mechanics
  • Education Systems and Policy
  • Spacecraft and Cryogenic Technologies
  • Integrated Energy Systems Optimization
  • Heat Transfer and Optimization
  • Network Traffic and Congestion Control
  • Planetary Science and Exploration
  • Forest ecology and management
  • Geophysics and Gravity Measurements
  • Energy Efficiency and Management
  • Smart Grid Security and Resilience
  • Advanced Text Analysis Techniques

University of Technology Sydney
2010-2022

Canadian Space Agency
1991-2005

University of Leeds
2005

Environment and Climate Change Canada
1977

Université du Québec
1977

Cegep de Sainte Foy
1974

Institut National de la Recherche Scientifique
1973

Central Electricity Generating Board
1963-1965

Imperial College London
1958

In extension and confirmation of the work Bigg, observations on freezing large numbers drops distilled water, ranging from 10 μ to 1 cm in diameter suspended at interface two immiscible liquids order avoid nucleating effects solid surfaces, have established proportionality between logarithm droplet volume its temperature for a constant rate cooling. Such relationship appears charac­terize heterogeneous nucleation water droplets containing small foreign nuclei, it is interpreted terms being...

10.1098/rspa.1958.0207 article EN Proceedings of the Royal Society of London A Mathematical and Physical Sciences 1958-10-21

RADARSAT, the first Canadian remote-sensing spacecraft, is designed to provide Earth observation information for five years. The satellite scheduled launch in 1994. only payload instrument a 5.6-cm-wavelength (C-band) synthetic aperture imaging radar (SAR). RADARSAT will gather data on command up 28 min during each cycle of its 800-km (nominal) near-polar orbit. Image resolutions from 10 100 m at swath widths 45 500 km be available. mission reviewed, and design, characteristics,...

10.1109/5.90162 article EN Proceedings of the IEEE 1991-06-01

Selected data obtained during the first year of operation scanning multichannel microwave radiometer (SMMR) on board NIMBUS 7 satellite (launched in late October 1978) have been used to calculate, a global basis, various geophysical parameters over open oceans, polar regions, and terrain. Over oceans these calculations provided values for sea surface temperatures, near‐surface winds, atmospheric water vapor column, rainfall rates. In ice concentration, multiyear fraction, radiating...

10.1029/jd089id04p05335 article EN Journal of Geophysical Research Atmospheres 1984-06-30

RÉSUMÉLes exigences de la mission RADARSAT ainsi que les concepts organiques et opérationnels qui ont été développés pour étayer ces sont présentés dans cet article. Cette prévoit construction, le lancement l'exploitation du premier satellite canadien d'observation Terre, RADARSAT, l'établissement des installations au sol correspondantes. La charge utile est constituée par un radar à antenne synthétique (RAS), enregistreurs d'autres composants connexes. fonctionnera une orbite polaire...

10.1080/07038992.1993.10874563 article FR Canadian Journal of Remote Sensing 1993-11-01

10.1016/j.techfore.2010.09.004 article EN Technological Forecasting and Social Change 2010-11-04

The permeability of ice layers in the snowpack can have far reaching effects on its response to meltwater or rain. This is due presence veins liquid water at junctions crystals. It shown that size these very sensitive changes temperature, air pressure, and dissolved other material.

10.1139/e74-120 article EN Canadian Journal of Earth Sciences 1974-09-01

A model of magnetostriction ferromagnetic polycrystalline sheet has been devised based on the orientation distribution crystals and domain theory magnetization. Comparison with experimental data for silicon iron shows that gives a good numerical agreement at flux density 15 000 gauss qualitative description dependence density. It also is sensitive to preferred material variations in measured are largely attributable differences distribution.

10.1088/0508-3443/14/1/305 article EN British Journal of Applied Physics 1963-01-01

Polycrystalline ice contains a three-dimensional network of water filled veins, whose size is function temperature among other parameters. In order to study heat transfer and from these model their arrangement around crystal necessary. The geometrical constraints this are discussed proposed. This compared various models, including that used by Frank (1968) for convection in the earth's mantle.

10.1139/e74-119 article EN Canadian Journal of Earth Sciences 1974-09-01

Software agent technology is currently based on fixed ontologies and languages, handcrafted for a particular application. The advent of massively distributed systems however calls not only common language between all agents involved but also the ability to autonomously adapt form concepts about novel experiences events. authors proposed method by which can new grounded in their own experience. This an improvement previous approaches because it tackle much wider range conceptual types...

10.1109/fuzzy.2005.1452467 article EN 2005-07-27
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