wall ratio

wall ratio

[′wȯl ‚rā·shō]
(design engineering)
Ratio of the outside radius of a gun, a tube, or jacket to the inside radius; or ratio of the corresponding diameters.
References in periodicals archive ?
43 meter square which makes up 50% of window wall ratio (WWR) and 35% of window floor ratio (WFR).
For the same reason, maintain a low window- to- wall ratio.
According to the report, paste release from the stencil walls becomes key with small apertures, and the opening-to-aperture wall ratio appears to be a good guide to printability.
Based on the trends illustrated in Figures 4 and 6, it is reasonable to say that for such a typical private office, 30%-40% window to wall ratio is enough to exploit daylight since there is no significant increase in daylight availability for larger window sizes.
A related architectural implication is that designs should be based on good daylighting practice: blinds, shades or architectural features to block direct sun, overhangs or low upper sill heights to limit sky view, vegetation to limit excessive ground plane reflectances, tinted glass to reduce intensity, moderate window to wall ratios and architectural design that discourages long-term close proximity to the window.