Opaque

Opaque logo.

Draws a detail of wall or roof sections, calculates U-value, timelag, and decrement factor. It plots temperature drop through the section. Draws 2-D daily and 3-D annual plots of outdoor and sol-air temperatures, normal and total surface radiation, and heat flow through the envelope. It was originally called SOLAR-3.

Keywords

wall thermal transmission, U-value

Validation/Testing

N/A

Expertise Required

Intended to be self-instructional; requires only basic familiarity with computers and architectural vocabulary.

Users

Estimated in the hundreds; known to run in many schools of architecture in the U.S. and in dozens of architectural firms.

Audience

Students of architecture, architects.

Input

Layers of wall or roof section, thermal characteristics of materials.

Output

Section detail drawing, graphic performance plots.

Computer Platform

PC-compatible, or any DOS machine.

Programming Language

The .EXE file runs under DOS or Windows

Strengths

User-friendly, highly graphic.

Weaknesses

Limited set of building materials.

Contact

Company:

Department of Architecture and Urban Design

Address:

Box 951467
University of California at Los Angeles
Los Angeles, California 90095-1467
United States

Telephone:

+1 (310) 825-7370

Facsimile:

+1 (310) 825-8959

E-mail:

Milne@ucla.edu

Website:

http://www.aud.ucla.edu/energy-design-tools

Availability

Download from the web site at no charge.