viscous loss

Based on energy equation, it is proposed that thermal drag in non-viscous horizontal duct should be equal to total pressure loss of air flow passing through heating zone, and not equal to static pressure loss.

根据能量方程提出水平无粘管流的热阻力应等于气流经过加热区的全压力降，而非静压力降；

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According to current engineering hydrodynamics, there's positively constant head loss in Bernoulli's theorem for identical stream line in viscous fluid, which can later turn into heat and dissipate.

现行工程流体力学与水力学理论通常认为粘性流体元流伯努利方程中的水头损失项是恒正的，并且这部分损失的机械能转变为热而耗散掉了。

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Low temperature, high porosity and permeability, strong alkali sensitivity, loose limestone, circulation loss and basal water abundance are the formation characteristics of shallow reservoir in Taobao viscous oil area.

套保稠油区块油藏埋深浅，油层温度低、孔隙度和渗透性高、碱敏性强、岩性疏松、底水丰富，且存在漏层。

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Different modes, describing the aortic arch tube wall elastic or viscoelastic properties and viscous loss, can be included in the model easily.

该模型可方便地引入主动脉弓管壁弹性或粘弹性多种模拟机制。引入血流粘性损耗的不同描述；

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Pump friction loss increased viscous fluid and lead to sharp decline in pump performance.

泵内摩擦损失增加了流体粘性并导致离心泵性能急剧下降.

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