What is the viscosity of soft drinks?
3. Results
| Drink | pH | Viscosity (mPas) |
|---|---|---|
| Sprite | 2.81 | 1.32 |
| Fanta orange | 3.03 | 1.55 |
| Coca Cola | 2.47 | 1.49 |
| Coca Cola light lemon | 2.73 | 0.99 |
What liquid has a lower viscosity than water?
Acetone has a viscosity 3x less than water but weighs 2.5 times more.
Is Honey high or low viscosity?
The resistance to such flow is called the viscosity. Liquids which flow very slowly, like glycerin or honey, have high viscosities. Those like ether or gasoline which flow very readily have low viscosities.
Which has highest viscosity honey or blood?
… The higher the viscosity of a material, the slower the flow speed for given forces will be. Honey, for instance, has a viscosity between 2.54 and 23.4 Pa · s (at 25°C, depending on moisture and sugar composition) [46] , while blood has 4 mPa · s [47]. …
Why does water have a low viscosity?
Water’s high surface tension is due to the hydrogen bonding in water molecules. When the liquid is heated up, the molecules have more kinetic energy and so they can more easily break free of these forces–the liquid will become less viscous. …
Does water have a low viscosity?
Viscosity describes a fluid’s internal resistance to flow and may be thought of as a measure of fluid friction. Thus, water is “thin”, having a low viscosity, while vegetable oil is “thick” having a high viscosity.
How do you increase viscosity?
Viscosity generally decreases as the temperature increases. Viscosity generally increases as the temperature decreases. The viscosity of a liquid is related to the ease with which the molecules can move with respect to one another.
Does water viscosity change?
Viscosity of water decreases markedly with increasing temperature. When the viscosity decreases, the flow resistance decreases. So for the same driving force, that is the pressure drop per unit length, the water flow rate will be higher.
Does water viscosity change with pressure?
It has been observed that above about 33° C the viscosity of water increases with pressure, and that below this temperature, initially the pressure effect is negative but at about 1,000 kg/cm2 the viscosity relative to 1 atm.
What affects water viscosity?
Fluid viscosity is in basic terms a measure of how sticky it is. Water has a low viscosity while, things like syrup or shampoo have higher viscosities. Viscosity is also dependent on temperature, for example, engine oil is less viscous at high temperatures than it is in a cold engine in the middle of winter.
What is kinematic viscosity of water?
The kinematic viscosity [m2/s] is the ratio between the dynamic viscosity [Pa. s = 1 kg/m·s] and the density of a fluid [kg/m3]. The SI unit of the kinematic viscosity is m2/s. Water at 20 °C has a kinematic viscosity of about 1 cSt.
What’s the viscosity of water?
0.0091 poise
Is water viscosity constant?
Newtonian: fluids, such as water and most gases which have a constant viscosity. Shear thickening: viscosity increases with the rate of shear. Shear thinning: viscosity decreases with the rate of shear.
What is the symbol for viscosity?
symbol η