Wind Tunnel Bulletin #01 [electronic resource].

ZHdK 2013

Open access content

What is a wind tunnel? We assume it is Aeolus, our ancestor: when he caged all winds to leave only one, it produced wind­-tunnel­-like conditions at a large scale (pp. 2–3, 20). However we learn from the Hand­book of Wind Energy (pp. 4–5) that this condition is wholly artificial because wind is always highly varia­ble and omnidirectional—whirling on every scale. Looking at our own wind tunnel in Zürich we realized parallels to Göttingen and Ludwig Prandtl, who in­vented and built the first closed circuit tunnel there in 1908. It is still known today as the Göttingen­type (pp. 6–7). We have dubbed the housing of the wind tunnel the “Temple of Winds.” Some early design drawings of Kaspar König show his idea of the mod­ular tunnel, which may be the first in the world of its kind (pp. 8–11). Wind tunnels come in all shapes and sizes with the common task of “straightening” the wind to study effects on scalar models (pp. 12–13). When printing this issue, we are still in the making of our tunnel (pp. 16–19). Finally we ask: Why a wind tun­nel (pp. 18–19)?
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Haseeb Ahmed
Florian Dombois
Kaspar König
Mirjam Steiner
Sarine Waltenspül
Reinhard Wendler
Viola Zimmermann
Corinne Dörig