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Record #202835:

Effects of support structure porosity on the drift accumulation surrounding an elevated building / Arnold Song, Robert Haehnel.

Title: Effects of support structure porosity on the drift accumulation surrounding an elevated building / Arnold Song, Robert Haehnel.
Author(s): Song, Arnold.
Haehnel, Robert.
Date: 2012.
In: ERDC/CRREL Technical Report. (2012.), TR-12-7 (2012)
Abstract: Examines effects of porosity of substructure used to elevate buildings in Antarctica on drift accumulation. Compares snowdrift evolutions observed using scale model of Amundsen-Scott Station with field surveys, reporting good agreement when applying Lever and Haehnel's time scaling. Reports wind tunnel investigation of snowdrift accumulation and numerical simulations of flow around prototypical elevated building. As substructure porosity increases, total drift volume decreases and becomes more concentrated upwind of building. For low porosity, separation bubble that can form upwind of building appears to direct particles over region of subcritical shear stress and impede growth of upwind snowdrift. Porosity and ground-based clutter also affected rate of drift encroachment. Suggests that careful design could extend building life by two or more years.
Notes:

ERDC/CRREL Technical Report. TR-12-7 :i-vii, 1-33 (2012).

Keywords: 551.32 -- Glaciology.
551.578.46 -- Snow cover and snow patches.
528.37 -- Surveying, levelling.
711.42(2) -- Settlements and stations, specific: Amundsen-Scott.
551.321.86 -- Snow drifting, modelling control.
551.556 -- Wind, effects of.
551.578.466 -- Snow, surface forms and drifts.
69.001.5 -- Building research.
69(211) -- Building construction in cold regions.
519.673 -- Modelling.
E12 -- Glaciology: frozen ground / snow and ice engineering.
(*7) -- Antarctic regions.
(*701) -- South Pole.
SPRI record no.: 202835

MARCXML

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100 1# ‡aSong, Arnold.
245 10 ‡aEffects of support structure porosity on the drift accumulation surrounding an elevated building /‡cArnold Song, Robert Haehnel.
260 ## ‡a[S.l.] :‡b[s.n.],‡c2012.
300 ## ‡ap. i-vii, 1-33 :‡bill., diags., table, map.
500 ## ‡aERDC/CRREL Technical Report. TR-12-7 :i-vii, 1-33 (2012).
520 3# ‡aExamines effects of porosity of substructure used to elevate buildings in Antarctica on drift accumulation. Compares snowdrift evolutions observed using scale model of Amundsen-Scott Station with field surveys, reporting good agreement when applying Lever and Haehnel's time scaling. Reports wind tunnel investigation of snowdrift accumulation and numerical simulations of flow around prototypical elevated building. As substructure porosity increases, total drift volume decreases and becomes more concentrated upwind of building. For low porosity, separation bubble that can form upwind of building appears to direct particles over region of subcritical shear stress and impede growth of upwind snowdrift. Porosity and ground-based clutter also affected rate of drift encroachment. Suggests that careful design could extend building life by two or more years.
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.578.46 -- Snow cover and snow patches.‡2udc
650 07 ‡a528.37 -- Surveying, levelling.‡2udc
650 07 ‡a711.42(2) -- Settlements and stations, specific: Amundsen-Scott.‡2udc
650 07 ‡a551.321.86 -- Snow drifting, modelling control.‡2udc
650 07 ‡a551.556 -- Wind, effects of.‡2udc
650 07 ‡a551.578.466 -- Snow, surface forms and drifts.‡2udc
650 07 ‡a69.001.5 -- Building research.‡2udc
650 07 ‡a69(211) -- Building construction in cold regions.‡2udc
650 07 ‡a519.673 -- Modelling.‡2udc
650 07 ‡aE12 -- Glaciology: frozen ground / snow and ice engineering.‡2local
651 #7 ‡a(*7) -- Antarctic regions.‡2udc
651 #7 ‡a(*701) -- South Pole.‡2udc
700 1# ‡aHaehnel, Robert.
773 0# ‡7nnas ‡tERDC/CRREL Technical Report. ‡gTR-12-7 (2012) ‡wSPRI-154175
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