Question: Q4. A vertical wall, 7.85 m in width, and 4m high is cooled by spraying water on the top and allowing the water to flow

Q4. A vertical wall, 7.85 m in width, and 4m high is cooled by spraying water on the top and allowing the water to flow down the outside wall. The water flow rate is 0.15 m3 /min (laminar flow), and the viscosity of water is 0.656 cP. Assume that the thickness of the water layer is constant, estimate the thickness. Q4. A vertical wall, 7.85 m in width, and 4m high is

q=0.15m3/min=0.656cP

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