The heat transfer performance of the boiler gas in a plastic longitudinal flow spiral heat exchanger was investigated experimentally.

实验研究了锅炉烟气在轴流式塑料螺旋板空气预热器中的传热特性。

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Under the precondition of incompressible flow, fluid spiral motion in SK static mixer tube was resolved into axial beeline motion and circumferential rotation motion.

在流体不可压缩的假设前提下，将流体在SK型静态混合器中的螺旋形运动分解成轴向直线运动和环向旋转运动。

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Around the dark core of an optical vortex, the energy flow carried by the light beam is like a spiral staircase, flowing in a clockwise or counterclockwise direction.

绕着光涡旋的黑暗中心，光束携带的能量流就像螺旋梯，沿着顺时针或者逆时针方向流动。

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In a series of experiments, he found that as foods he was cooking warmed up, the spiral sides directed the flow in a concentric movement.

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Everyone would be working quietly on a new feature they had dreamed up the day before, and then Jesse might ask for input on how the page flow should be laid out, and it would, within minutes, spiral into a discussion about where the company was actually going.

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