• Existing Grid sufficient for a little while: NREL

    Updated: 2010-10-31 09:07:24
    Existing Grid sufficient for a little while: NREL NREL says more than a third of the electricity in the western U.S. could come from wind and solar power without installing significant amounts of backup power. And most of this renewable-energy expansion can happen without installing new interstate transmission lines, according to ...

  • Excel template_Natural Convection_Horiz Cylinder SI units

    Updated: 2010-10-29 05:32:33
    This is one of the Excel spreadsheets for natural convection heat transfer coefficient calculation. The Excel formulas calculate the natural convection coefficient for a horizontal cylinder, with S.I. units, using correlations of Nusselt number in terms of Prandtl number, Grashof number, and Rayleigh number. This Excel spreadsheet is discussed in t...

  • Bulgaria, Israel Could Trade Water for Gas

    Updated: 2010-10-29 05:00:00

  • General Motors' Freese Named Chairman for Fuel Cell and Hydrogen Trade Group's Key Conference

    Updated: 2010-10-29 05:00:00
    The Fuel Cell and Hydrogen Energy Association (FCHEA), has tapped Charlie Freese, General Motors (GM) top fuel cell executive, to chair its 2011 annual conference and expo.

  • Coal in My backyard (CIMBY)

    Updated: 2010-10-29 05:00:00

  • Dimplex welcomes CSR announcement on RHI

    Updated: 2010-10-29 01:00:00
    Dimplex has welcomed the announcement in the government's Comprehensive Spending Review that the Renewable Heat Incentive will be introduced as planned in 2011.

  • Spending review 'will increase demand for energy efficient technologies'

    Updated: 2010-10-29 01:00:00
    Demand for energy efficiency technology set to soar as UK firms face impacts of Government's changes to carbon legislation, says Sabien Technology.

  • Hawaii aims for microthermal solar utopia

    Updated: 2010-10-28 17:41:04
    Start-up concentrates solar on Oahu to provide power for native Hawaiians including residences, retail, offices, and light industry.

  • All about Central Air and Heat Filters

    Updated: 2010-10-27 18:43:45
    Filters are used to protect air conditioning systems and people from dirt and dust present in the air. This article describes the various types and ratings for filter media, along with cleaning and installation tips. Introduction In the air conditioning system, the air conditioning filter is an important and essential air conditioning part. It is i...

  • Heatrae Sadia appoints commercial director

    Updated: 2010-10-27 01:00:00
    Steve Rickards has been appointed commercial director for Heatrae Sadia Heating and Baxi Group New Build & New Design.

  • Natural Convection Heat Transfer Coefficient Estimation using Excel Spreadsheets

    Updated: 2010-10-25 20:22:39
    Download Excel spreadsheets to calculate natural convection heat transfer coefficients for several free convection heat transfer configurations, such as from vertical plate or from a horizontal cylinder. The convective heat transfer coefficient is used in Newton's Law of Cooling calculations. Newton’s Law of Cooling for Forced and Natural...

  • Natural Convection Coefficients_Sphere_SI units

    Updated: 2010-10-25 19:17:28
    This is one of the Excel spreadsheets for natural convection heat transfer coefficient calculation. The Excel formulas calculate the natural convection coefficient for heat transfer from a sphere, with S.I. units, using correlations of Nusselt number in terms of Prandtl number, Grashof number, and Rayleigh number. This Excel spreadsheet is discusse...

  • Natural Convection Coefficients_Sphere_US units

    Updated: 2010-10-25 19:14:20
    This is one of the Excel spreadsheets for natural convection heat transfer coefficient calculation. The Excel formulas calculate the natural convection coefficient for heat transfer from a sphere, with U.S. units, using correlations of Nusselt number in terms of Prandtl number, Grashof number, and Rayleigh number. This Excel spreadsheet is discusse...

  • Natural Convection Coefficients_Horizontal Cylinder_SI units

    Updated: 2010-10-25 19:10:39
    This is one of the Excel spreadsheets for natural convection heat transfer coefficient calculation. The Excel formulas calculate the natural convection coefficient for a horizontal cylinder, with S.I. units, using correlations of Nusselt number in terms of Prandtl number, Grashof number, and Rayleigh number. This Excel spreadsheet is discussed in t...

  • Natural Convection Coefficients_Horizontal Cylinder_US units

    Updated: 2010-10-25 19:07:02
    This is one of the Excel spreadsheets for natural convection heat transfer coefficient calculation. The Excel formulas calculate the natural convection coefficient for a horizontal cylinder, with U.S. units, using correlations of Nusselt number in terms of Prandtl number, Grashof number, and Rayleigh number. This Excel spreadsheet is discussed in t...

  • Natural Convection Coefficients_Inclined Plate SI units

    Updated: 2010-10-25 19:03:32
    This is one of the Excel spreadsheets for natural convection heat transfer coefficient calculation. The Excel formulas calculate the natural convection coefficients for an inclined plate, with S.I. units, using correlations of Nusselt number in terms of Prandtl number, Grashof number, and Rayleigh number. This Excel spreadsheet is discussed in the ...

  • Natural Convection Coefficients_Inclined Plate US units

    Updated: 2010-10-25 18:59:44
    This is one of the Excel spreadsheets for natural convection heat transfer coefficient calculation. The Excel formulas calculate the natural convection coefficient for an inclined plate, with U.S. units, using correlations of Nusselt number in terms of Prandtl number, Grashof number, and Rayleigh number. This Excel spreadsheet is discussed in the a...

  • Natural Convection Coefficients_Horizontal Plate_SI units

    Updated: 2010-10-25 18:55:39
    This Excel spreadsheet uses SI units for natural convection heat transfer coefficient calculation. The Excel formulas calculate the natural convection coefficient for heat transfer from a horizontal plate, using correlations of Nusselt number in terms of Prandtl number, Grashof number, and Rayleigh number. This Excel spreadsheet is discussed in the...

  • Natural Convection Coefficients_Horizontal Plate US units

    Updated: 2010-10-25 18:49:44
    This is one of the Excel spreadsheets for natural convection heat transfer coefficient calculation. The Excel formulas calculate the natural convection coefficient for heat transfer from a horizontal plate, using correlations of Nusselt number in terms of Prandtl number, Grashof number, and Rayleigh number. This Excel spreadsheet is discussed in th...

  • Natural Convection Coefficients_Vertical Plate_SI units

    Updated: 2010-10-25 18:35:31
    This Excel spreadsheet is set up with SI units for natural convection heat transfer coefficient calculation. The Excel formulas calculate the natural convection coefficient using correlations of Nusselt number in terms of Prandtl number, Grashof number, and Rayleigh number. This Excel spreadsheet is discussed in the article, " Natural Convecti...

  • Natural Convection Coefficient_Vertical Plate_US units

    Updated: 2010-10-25 18:27:26
    This is one of the Excel spreadsheets for natural convection heat transfer coefficient calculation. The Excel formulas calculate the natural convection coefficient using correlations of Nusselt number in terms of Prandtl number, Grashof number, and Rayleigh number. This Excel spreadsheet is discussed in the article, " Natural Convection Heat T...

  • ALIVE Industries, Inc. Announces $268 Million Private Placement

    Updated: 2010-10-25 05:00:00
    ALIVE Industries, Inc., a developer of utility-scale solar and utility-scale energy storage solutions, today announced that ALIVE is entering into a definitive agreement in conjunction with existing investor/partners, to sell 536,000,000 shares of its preferred stock and warrants, expiring on December 31, 2010, at a blended exercise price of $0.56 per share, for net proceeds of $268,000,000 US dollars.

  • New Study Examines Ontario's Solar Economy

    Updated: 2010-10-25 05:00:00

  • Fernox joins Heat Pump Association

    Updated: 2010-10-25 01:00:00
    Water treatment manufacturer Fernox has become the first chemical water treatment company to become a member of the Heat Pump Association (HPA).

  • New chairman for European energy group

    Updated: 2010-10-25 01:00:00
    Kjeld Staerk of Danfoss in Denmark is the new chairman of the European Partnership for Energy and the Environment (EPEE), representing the refrigeration, air conditioning and heat pump industry in Europe.

  • Mitsi appoints London and SE manager

    Updated: 2010-10-22 01:00:00
    Mitsubishi Electric has appointed Steve Warrington as territory manager for its London and South England region air conditioning sales team.

  • BEAMA welcomes Whitehall's RHI commitment

    Updated: 2010-10-22 01:00:00
    The British Electrotechnical and Allied Manufacturers Association (BEAMA) has welcomed the Government's sustained commitment to develop the renewable heat market by announcing its intention to launch the Renewable Heat Incentive from June 2011.

  • IRENA Head Makes Surprise Resignation

    Updated: 2010-10-21 05:00:00
    Helene Pelosse's abrupt departure as interim director general of the International Renewable Energy Agency has puzzled observers as the Abu Dhabi-based organization prepares for its fourth preparatory commission.

  • RHI survives spending review

    Updated: 2010-10-21 01:00:00
    The Renewable Heat Incentive has survived the Government's massive spending review and will proceed as planned in 2011. Chancellor George Osborne announced that the Renewable Heat Incentive (RHI) will be introduced to allow the UK to have the best possible chance of meeting its 2020 carbon targets.

  • Grupo TelSat to Demonstrate Second Wind's Industry-Leading Remote Sensing System to Spain's Industry Leaders

    Updated: 2010-10-20 05:00:00
    On Oct. 28, wind energy developers in Spain will get a hands-on look at a new technology that is changing the way the wind power industry does measurement and resource assessment studies. Grupo TelSat, recently appointed as Second Wind's latest Triton Certified Partner and a leading technical services firm for the Spanish and Portuguese wind power industries, will host a demonstration event to showcase the Triton® Sonic Wind Profiler.

  • UK Cuts Go Easy on Clean Energy

    Updated: 2010-10-20 05:00:00
    While environment activists were disappointed that a new Green Investment Bank will now have just £1 billion ($1.58 billion) in state funding – half the expected figure – the RHI was welcomed, as was a continuance of current FiTs, and £200 million ($317 million) for developing offshore wind.

  • Opportunities Abundant as Ontario Moves Closer to a Green Economy

    Updated: 2010-10-20 05:00:00

  • Mayor opens privately funded and operated Olympic energy centre

    Updated: 2010-10-20 01:00:00
    The 90 million Euro Kings Yard energy centre in the Olympic Park in East London, which will heat, cool and power the Olympic Games in 2012, has been opened by Mayor of London Boris Johnson.

  • REC Solar Germany will sponsor the

    Updated: 2010-10-19 05:00:00
    The event will help for promotion of the big opportunities in the energy efficiency and RES sector of South East Europe - Serbia, Bulgaria, Macedonia, Turkey, Greece, Romania, Albania, etc.

  • Texas Renewable Energy Leaders Find Worldwide Solar Industry Awakening To Texas Potential

    Updated: 2010-10-19 05:00:00
    The renewable energy industry in Texas is ready. Interest in Texas Renewables 2010 conference is high. "Everyone is definitely feeling bullish about this year and the next few years." Tom Pash, president and CEO, ONtility

  • Sub-Saharan Renewables Poised for 'Exponential Growth'

    Updated: 2010-10-19 05:00:00
    But the research company's Annual Renewable Energy Project Tracker highlights feed-in tariffs – already announced in South Africa and Kenya – as key to this surge in renewables.

  • Official Spanish Participation at

    Updated: 2010-10-17 05:00:00
    The interest in the EE& RES markets in South East Europe grows and it could be seen from the strong interest in the international exhibition to be held in April 2011 in Sofia.

  • Great Picture Day for Mountains and Sunset

    Updated: 2010-10-17 01:33:25

  • Lawn – Going even Greener!

    Updated: 2010-10-17 01:06:09
      I threw some lawn seed down so we would have a place to sit and look at the view from the lower level. It didn’t seem to grow at first but after about a month I needed to borrow a mower  to keep it under control.   Things really grow well here…especially the weeds! [...]

  • Would you like Ice in your Drink?

    Updated: 2010-10-17 00:25:15
      We were so impressed with the downstairs SR10 Sun Frost fridge that we ordered the larger model RF16 for the upstairs kitchen – this time with a freezer too. You are able to see both compressors in the photo. Yes, the compressors are on the top, where it only makes sense!  The Sun Frost [...]

  • LED Uses Less Power than LCD TV

    Updated: 2010-10-17 00:06:26
      LED TV’s are available and they take significantly less power than a LCD or Plasma TV, however they do cost about 20% more to purchase. I had to dig hard to find the manufacturers’ ratings for energy consumption. The only way I was able to find out the energy consumption was to read the CSA [...]

  • Solar Nightlights

    Updated: 2010-10-16 23:38:34
    Everyone has seen these Solar PV self-contained yard lights. I thought it would work well to insert them into the logs that border the path from the house to the beach. It’s nice to be able to see where you’re going at night, especially if you’re driving down a path that has a very steep [...]

  • Hermann Scheer: Great Vision Put Into Practice

    Updated: 2010-10-16 05:00:00
    The interest in the EE& RES markets in South East Europe grows and it could be seen from the strong interest in the international exhibition to be held in April 2011 in Sofia.

  • Schneider Electric launches new product line at Solar Power International 10

    Updated: 2010-10-12 05:00:00
    Schneider Electric's Renewable Energies Business is launching two new grid tie inverters, a high voltage charge controller, and is exhibiting a range of solutions at Solar Power International (SPI), the premiere marketplace in North America for professionals in the solar industry, from October 12-14. The Schneider Electric exhibit is at booth 1211 in the Los Angeles Convention Centre and hosts product displays with Schneider Electric experts on hand, iPad™-facilitated demonstrations, and video.

  • Second Wind, in Partnership with Beijing New Energy Technology Co., launches its Triton Wind Profiler in the world's largest wind energy market

    Updated: 2010-10-12 05:00:00
    Second Wind is giving wind project developers in China the opportunity to use the wind energy industry's leading remote sensing system by launching the Triton Sonic Wind Profiler at this week's China Wind Power 2010 conference and exhibition in Beijing.

  • Richardson Electronics Releases New Products Selector Guide

    Updated: 2010-10-12 05:00:00

  • Sustainability: Context, impact, technology, and other items of interest

    Updated: 2010-10-11 18:30:26
    This week we’ll be featuring a series of book reviews on the blog. I wanted to start things off ...

  • South-East European Eco Forum at IFAT in Munich

    Updated: 2010-10-06 05:00:00

  • Country Profile: Romania Opens up to Green Energy

    Updated: 2010-10-06 05:00:00
    Obstacles remain, but two events suggest that the nation of 22 million, long powered by coal and large-scale hydroelectric plants, is finally ready to start fulfilling its widely recognised clean energy potential.

  • Second Wind offers flexible rental and leasing programs for Triton Sonic Wind Profiler

    Updated: 2010-10-05 05:00:00
    Enabling a wide range of wind energy companies to measure hub-height wind speeds by employing highly reliable and dependable remote sensing systems in their wind resource assessment studies, Second Wind announced today a new, flexible leasing program for its Triton® Sonic Wind Profiler.

  • Volume 45, Number 6, April 2004

    Updated: 2010-09-08 21:34:38
    Energy Conversion and Management, Volume 45, Number 6, April 2004. Loaded on 2004-01-17

  • Volume 45, Number 5, March 2004

    Updated: 2010-09-08 21:34:38
    Energy Conversion and Management, Volume 45, Number 5, March 2004. Loaded on 2003-12-13

  • Volume 44, Number 20, December 2003

    Updated: 2010-09-08 21:34:32
    Energy Conversion and Management, Volume 44, Number 20, December 2003. Loaded on 2003-08-23

  • Volume 44, Number 19, November 2003

    Updated: 2010-09-08 21:34:32
    Energy Conversion and Management, Volume 44, Number 19, November 2003. Loaded on 2003-08-02

  • Volume 44, Number 17, October 2003

    Updated: 2010-09-08 21:34:31
    Energy Conversion and Management, Volume 44, Number 17, October 2003. Loaded on 2003-06-28

  • Volume 44, Number 16, September 2003

    Updated: 2010-09-08 21:34:30
    Energy Conversion and Management, Volume 44, Number 16, September 2003. Loaded on 2003-05-17

  • Volume 44, Number 15, September 2003

    Updated: 2010-09-08 21:34:30
    Energy Conversion and Management, Volume 44, Number 15, September 2003. Loaded on 2003-05-17

  • Dimplex North America Recalls Remote Control Kits for Electric Fireplaces and Stoves Due to Fire and Burn Hazards

    Updated: 2010-07-05 18:17:07
    On March 16, 2010 Dimplex North America, of Ontario, Canada recalled approximately 700,000 remote control kits for electric fireplaces and stoves. The plug-in wall unit can overheat, posing a fire and burn hazard. Dimplex has received about 5,000 reports of the plug-in wall units overheating including 19 reports of damage beyond the remote control [...]Advertisement

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