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Temperature-Dependent Conductivity, Luminescence and Theoretical Calculations of a Novel Zn (Ⅱ)-Based Metal-Organic Framework Yi-Fen GAO,Gui-Lin ZHUANG,Jia-Qi BAI,Xing ZHONG,Jian-Guo WANG. UV Absorption and Resonance Raman Spectra of 2, 4-Dithiouracil Yu-Yu DAI,Wei-Jun LI,Shuan-Ma YAN,Shi-Zhao WANG,Yue YU,Mi OUYANG,Li-Tao CHEN,Cheng ZHANG.ĭithenylpyrrole Structure Bridged with Phenyl or Biphenyl Rings:Molecular Configuration and Electrochromic Properties Global Simulations of Enzymatic Catalysis Sin., 2017, 33(5): 1043-1050.įirst-Principles Study on the Electronic and Photocatalytic Properties of Ag 3XO 4 (X = P, As, V) Lei HAN,Li PENG,Ling-Yun CAI,Xu-Ming ZHENG,Fu-Shan ZHANG.ĬH 2 Scissor and Twist Vibrations of Liquid Polyethylene Glycol-Raman Spectra and Density Functional Theory Calculations Theoretical Studies on the Structures and Opto-Electronic Properties of Fluorene-Based Strained Semiconductors Yu-Yu LIU,Jie-Wei LI,Yi-Fan BO,Lei YANG,Xiao-Fei ZHANG,Ling-Hai XIE,Ming-Dong YI,Wei HUANG. Noriyuki YOSHII,Mika KOMORI,Shinji KAWADA,Hiroaki TAKABAYASHI,Kazushi FUJIMOTO,Susumu OKAZAKI.įree Energy Change of Micelle Formation for Sodium Dodecyl Sulfate from a Dispersed State in Solution to Complete Micelles along Its Aggregation Pathways Evaluated by Chemical Species Model Combined with Molecular Dynamics Calculations Interactions between Bases and Metals on Au(111) under Ultrahigh Vacuum Conditions Xinyi WANG,Lei XIE,Yuanqi DING,Xinyi YAO,Chi ZHANG,Huihui KONG,Likun WANG,Wei XU. Mechanical and Optical Properties of a Novel Diamond-Like Si(C≡C-C 6H 4-C≡C) 4 Single-Crystalline Semiconductor: a First-Principles Study Lei FANG,Mingjun SUN,Xinrui CAO,Zexing CAO. Acta Physico-Chimica Sinica, 2019, 35(11): 1186-1206.įirst-Principles Study of Mixed Cation Methylammonium-Formamidinium Hybrid Perovskite Recent Progress in Sol-Gel Method for Designing and Preparing Metallic and Alloy Nanocrystals Qingqing WANG, Jinling WANG, Shengxiang JIANG, Pingyun LI. Structural, Thermodynamical and Electronic Properties of All-Inorganic Lead Halide Perovskites Yawen Li, Guangren Na, Shulin Luo, Xin He, Lijun Zhang. We often post articles and other news on our LinkedIn page like this head v pressure article, so please go and follow to keep up to date or for any pump queries you may have please contact us.Frits Mathias Dautzenberg, Yong Lu, Bin Xu.Ĭontrolling the Global Mean Temperature by Decarbonization Viscosity Comparison (centipoise 20 degrees C)Ĭentipoise (cP) = Centistokes (cSt) x S.G.Ĭentistoke (cSt) = Centipoise (cP) / S.G. There are ways to calculate (or ascertain from charts) but that is beyond the remit of this paper, so for practical purposes:Īssoma pump can handle is 150 cP (due to torque transmission through the magnets)Ĭrest can handle is 300 cp (under certain circumstances higher values may be tolerated Anything over 25cP will have a significant effect on the performance of a centrifugal pumps. Viscosity will have significant effects on flow rates and pressure capabilities of centrifugal pumps as well shaft torque and available power, the efficiency will obviously be lower. When shear is applied to non-Newtonian fluids, the viscosity of the fluid changes (e.g. Non-Newtonian fluids are the opposite of Newtonian fluids. In simple terms, a Newtonian fluid’s viscosity remains constant, no matter the amount of shear applied for a constant temperature (e.g. Kinematic viscosity is used to measure Newtonian liquids, dynamic viscosity for non-Newtonian liquids. Therefore, we say that steel has a greater density than ice. They may be the same size, but the steel cube weighs more than the ice cube. Think about an 1cm3 ice cube and a 1cm3 cube of steel. The formula for the conversion is:ĭensity is the ratio of the mass (or weight) of the sample divided by the volume of the sample. Density actually provides a way to convert between a kinematic and a dynamic viscosity measurement. What’s the difference between dynamic and kinematic viscosity?Ī basic difference between the dynamic and kinematic viscosity measurements is density. The unit of measure of kinematic viscosity is Centistokes (cSt). So kinematic viscosity is the measure of a fluid’s inherent resistance to flow when no external force, except gravity, is acting on it. The other way is to measure the resistive flow of a fluid under the weight of gravity. This is dynamic viscosity and the unit of measure for dynamic viscosity is Centipoise (cP)
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Units for Kinematic Viscosity: ft 2 / s mm 2. The kinematic viscosity of a liquid can be looked upon as the liquids resistance to flow under its own gravity head. The centistoke (one hundredth of a stoke) is more generally used. One way is to measure a fluid’s resistance to flow when an external force is applied. In the metric system, the unit of kinematic viscosity is the square centimeter per second or the stoke. When people talk about understanding viscosity, they are talking about one of two things: dynamic (also known as absolute) viscosity or kinematic viscosity.