A solar water heater mounted on the roof consists of two flat plates. Water enters at A and exits at B. Assume the average temperature of the water is 45° C. (Figure 1) Figure 2m 1 of 1 If the gap between the plates is a = 1.34 mm, determine the maximum allowable pressure drop from A to B so that the flow remains laminar. Express your answer to three significant figures and include the appropriate units. Apmax= -3.379 Pa Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Provide Feedback ?

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Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.