Now showing items 21-40 of 1676

    • Computer Simulation of Window Condensation Potential 

      McGowan, Alexander G.; Wright, John L. (American Society of Heating, Refrigerating and Air-Conditioning Engineers, 1998-12)
      Condensation on windows creates obscured view, can cause building damage, and may lead to mold growth and poor indoor air quality. The Canadian Standards Association (CSA) has developed new procedures to evaluate window ...
    • Calculating the Solar Heat Gain of Window Frames 

      Wright, John L.; McGowan, Alexander G. (American Society of Heating, Refrigerating and Air-Conditioning Engineers, 1999)
      It is not practical to measure the solar heat gain of a window frame. It is more practical to do so by calculation. Typically, the frame solar heat gain is a small component of the total or is small in absolute terms so ...
    • A Simplified Analysis of Radiant Heat Loss Through Projecting Fenestration Products 

      Wright, John L. (American Society of Heating, Refrigerating and Air-Conditioning Engineers, 2001)
      Current window analysis algorithms can deal with many features, including low-e coatings and substitute fill gases. These methods were developed for products with planar glazings. Results can be generated for projecting ...
    • A Comparison of Calculated and Measured Indoor-Side Window Temperature Profiles 

      Wright, John L.; McGowan, Alexander G. (American Society of Heating, Refrigerating and Air-Conditioning Engineers, 2003)
      Computer-generated surface temperature profiles are presented for the indoor side, vertical centerline of two windows and a calibration transfer standard (CTS). These specific configurations were chosen because they match ...
    • Well-Posedness of Boundary Control Systems 

      Cheng, Ada; Morris, Kirsten (Society for Industrial and Applied Mathematics, 2003-01-01)
      Continuity of the input/output map for boundary control systems is shown through the system transfer function. Our approach transforms the question of continuity of the input/output map of a boundary control system to ...
    • Heat Transfer Analysis of a Between-Panes Venetian Blind Using Effective Longwave Radiative Properties 

      Wright, John L.; Yahoda, Darryl S. (American Society of Heating, Refrigerating and Air-Conditioning Engineers, 2004)
      Center-glass thermal analysis programs based on one-dimensional models have proved to be exceptionally useful. Recently efforts have been made to extend the analysis to include venetian blinds. It is convenient to model ...
    • Methods for Calculating the Effective Longwave Radiative Properties of a Venetian Blind Layer 

      Yahoda, Darryl S.; Wright, John L. (American Society of Heating, Refrigerating and Air-Conditioning Engineers, 2004)
      Window solar gain can strongly influence building energy consumption, peak loads, and comfort. Shading devices are routinely used to control solar gain. The use of venetian blinds is particularly common. There is a strong ...
    • Elastic moduli of multiblock copolymers in the lamellar phase 

      Thompson, R. B.; Rasmussen, Kim; Lookman, T. (AIP Publishing, 2004-02-22)
      We study the linear elastic response of multiblock copolymer melts in the lamellar phase, where the molecules are composed of tethered symmetric AB diblock copolymers. We use a self-consistent field theory method, and ...
    • Methods for Calculating the Effective Solar-Optical Properties of a Venetian Blind Layer 

      Yahoda, Darryl S.; Wright, John L. (American Society of Heating, Refrigerating and Air-Conditioning Engineers, 2005)
      Window solar gain can strongly influence building energy consumption, peak loads, and comfort. Shading devices are routinely used to control solar gain. The use of venetian blinds is particularly common. There is a strong ...
    • Simplified Solar Optical Calculations For Windows With Venetian Blinds 

      Wright, John L.; Kotey, Nathan Amon (2006)
      Solar gain through a window represents the most variable heat gain imposed on an indoor space. It is also likely to represent the largest heat gain of the indoor space. Shading devices like venetian blinds roller blinds ...
    • Solar Absorption by Each Element in a Glazing/Shading Layer Array 

      Wright, John L.; Kotey, Nathan Amon (American Society of Heating, Refrigerating and Air-Conditioning Engineers, 2006)
      Window solar gain can strongly influence building energy consumption and peak cooling load. Shading devices such as venetian blinds, roller blinds, and drapes are routinely used to control solar gain. There is a strong ...
    • Thermal Resistance of a Window with an Enclosed Venetian Blind: Guarded Heater Plate Measurements 

      Wright, John L.; Huang, Ned Y. T.; Collins, Michael R. (American Society of Heating, Refrigerating and Air-Conditioning Engineers, 2006)
      Window solar gain is known to have a strong influence on building energy consumption and peak cooling load. Venetian blinds are routinely used to control solar gain. Software based on one-dimensional models is available ...
    • Calculating Center-Glass Performance Indices of Windows with a Diathermanous Layer 

      Collins, Michael R.; Wright, John L. (American Society of Heating, Refrigerating and Air-Conditioning Engineers, 2006)
      The fenestration chapter of the 2005 ASHRAE Hand-book—Fundamentals (ASHRAE 2005) has long included methods for determining the U-factor and solar heat gain coef-ficient (SHGC), or window performance indices, using the ...
    • Predicting nonpolymeric materials structure with real-space self-consistent field theory 

      Thompson, R.B. (APS publishing, 2006-02-17)
      Polymer self-consistent field theory of the Edwards-Helfand kind is the state-of-the-art method for predicting the morphologies of block copolymer materials. The methodology of block copolymer self-consistent field theory ...
    • Development and characterization of a laminar aerosol flow tube 

      Khalizov, Alexei; Earle, Michael E.; Johnson, Wayde J. W.; Stubley, Gordon D.; Sloan, James J. (AIP, 2006-03)
      We have developed a new laminar aerosol flow tube (AFT) to study transformations such as ice nucleation, deliquescence, and efflorescence in model atmospheric aerosols. The apparatus consists of four sections which can be ...
    • Flow visualization of natural convection in a tall, air-filled vertical cavity 

      Wright, John L.; Jin, H.; Hollands, K. G. T.; Naylor, David (Elsevier, 2006-03-01)
      Natural convection of air in a tall vertical cavity was studied using a smoke patterns and interferometry. Experiments covered Rayleigh numbers of 4850 < Ra < 54,800 and aspect ratio A ≈ 40. Secondary cells were noted at ...
    • Predicting the phases of a two-dimensional hard-rod system with real-space self-consistent field theory 

      Thompson, Russell B. (APS publishing, 2006-10-16)
      Polymer self-consistent field theory numerical tools are applied to a two-dimensional hard-rod colloidal system. Rods are represented through an interaction site model density functional theory that is derived and expressed ...
    • In-plane and through-plane gas permeability of carbon fiber electrode backing layers 

      Gostick, Jeffrey Thomas; Fowler, Michael W.; Pritzker, Mark D.; Ioannidis, Marios A.; Behra, Leya M. (Elsevier, 2006-11-08)
      The absolute gas permeability of several common gas diffusion layer (GDL) materials for polymer electrolyte membrane fuel cells was measured. Measurements were made in three perpendicular directions to investigate anisotropic ...
    • Effect of Temperature and Pressure on Surface Tension of Polystyrene in Supercritical Carbon Dioxide 

      Thompson, Russell B.; Park, H.; Lanson, N.; Tzoganakis, C.; Park, C. B.; Chen, P. (ACS Publications, 2007-02-15)
      The surface tension of polymers in a supercritical fluid is one of the most important physicochemical parameters in many engineering processes, such as microcellular foaming where the surface tension between a polymer melt ...
    • OMG I can IM the QEII: Networking Through chat 

      Gordon, Shannon (2007-05-22)
      Presentation slides as presented at the Newfoundland and Labrador Library Association (NLLA) Conference, 2007. Outlines virtual library reference program in the context of the QEII, a chat program offered at Memorial ...

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