Wheaton & Sprague Engineering Inc.

THERMAL ANALYSIS & DESIGN SERVICES

Thermal Inefficiencies in System Design
Thermal Inefficiencies in System Design
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Wheaton Sprague provides Thermal Analysis & Design of exterior cladding systems, utilizing THERM 5.2 and WINDOW 5.2 finite element analysis programs to glazing contractors who are being required to include thermal analysis in their submittal packages to comply with contract documents prepared by the architect.WS will now be able to provide that submittal package for you. Additionally, WS can assist clients in evaluating a new design for thermal efficiencies before that design is finalized. WS can offer system design and thermal analysis as a comprehensive package or can provide them as standalone services.

Using THERM, WS can model two-dimensional heat-transfer effects in building components such as windows, walls, foundations, roofs, and doors; as well as other products where thermal bridges are of concern. THERM's heat-transfer analysis allows WS to evaluate a product’s energy efficiency and local temperature patterns, which may relate directly to problems with condensation, moisture damage, and structural integrity.

THERM uses two-dimensional (2D) conduction and radiation heat-transfer analysis based on the finite-element method, which can model the complicated geometries of fenestration products and other building elements. Fenestration products are those that fill openings in a building’s exterior cladding such as windows, doors, skylights, curtain walls, etc., designed to permit the passage of air, light, vehicles, or people.

WINDOW 5.2 and OPTICS 5.1 are companion programs that are used in conjunction with THERM 5.2 to create and evaluate framing systems and glazing components.

THERM 5.2

  • Frame & Edge of Glazing System Creation & Analysis
               -Provide results for items 2 - 4, and/or:
              - Export to THERM 5.2 for Total Product Analysis
  • Provide Complex Composite Detail Analysis
                - Aluminum curtain Wall Parapets / Soffits
                - Transition Details at Dissimilar Materials
  • Study Heat Transfer & Provide Heat Flux Analysis
  • Provide Dew Point Analysis

WINDOW 5.2

  • Glazing System Creation & Analysis
               - Double or Triple IG Units
               - Monolithic   
  • Glazed Product Creation & Analysis
               - Site Built Products (Curtain Wall, Windows, Etc.)
               - Factory Built Products
  •   Calculate Total Product U-Factor
  • Calculate Solar heat Gain Coefficient (SHGC)
  •    Stimulate Condensation Resistance

OPTIC 5.0

  •  Configure Special Plies for WINDOWS 5.2:
              - Laminate Glass with Two or More Plies
              - Glass Plies with Film
              - Glass Plies with Film
              - Insulated Panels


Creating Structure
1100 Campus Drive, Suite 200 Stow Ohio, 44224-1756
Tel: 330.923.5560 Fax: 330.923.5569