Is a Hydrogen Peroxide Water treatment system safe?
2016年8月1日 · 10. Yes,it is safe to use H2O2 compare to using bleach..Using Hydrogen Peroxide to purify water has been shown to create a higher level of oxygen in water which in turn is healthier for the body. Hydrogen Peroxide has been known to be a cleansing agent for eleminating toxins in the body’s system.
Hydrogen causes metal to break | Engineering News
Hydrogen is considered the fuel of the future. Yet this lightest of the chemical elements can embrittle the metals used in vehicle engineering. The result: components suddenly malfunction and break. A new special laboratory is aiding researchers’ …
Individual and Universal Gas Constants - Engineers Edge
K = cp / cv, the specifi heat capacity ratio. cp = specifc heat in a constant pressure process. cv = specific heat in a constant volume porcess. R = Individual Gas Constant. In SI units the value of the gas constant, R, is: R =8.314510 Pa m 3 K -1 mol -1. R = 8314.510 Pa L K -1 mol -1.
Gas Flow Rate Through Orifice Equations and Calculator per. ISO …
The mass flow rate can be determined, since it is related to the differential pressure within the uncertainty limits stated in ISO 5167, using Equation (1): or. qm = C · ε · π/4 · d2 · ( 2 · Δp · ρ1 )0.5 / ( 1 - β4 )0.5. Similarly, the value of the volume flowrate can be calculated using Equation (2): where ρ is the fluid density at ...
Thermodynamic Systems and Surroundings - Engineers Edge
Thermodynamic Systems and Surroundings. Thermodynamics involves the study of various systems. A system in thermodynamics is nothing more than the collection of matter that is being studied. A system could be the water within one side of a heat exchanger, the fluid inside a length of pipe, or the entire lubricating oil system for a diesel engine.
Thermal Conductivity, Heat Transfer - Engineers Edge
Heat Transfer Engineering and Design. This chart gives the thermal conductivity of gases as a function of temperature. Unless otherwise noted, the values refer to a pressure of 100 kPa (1 bar) or to the saturation vapor pressure if that is less than 100 kPa. The notation P = 0 indicates the low pressure limiting value is given.
Solubility of Gases in Water - Engineers Edge
Solubility of Gases in Water. (By volume at atmospheric pressure) In chemistry, solubility is the ability of a substance, the solute, to form a solution with another substance, the solvent. Insolubility is the opposite property, the inability of the solute to form such a solution. Solubility of of the following gases are calculated.
Fluid Velocity Distribution within Pipes - Engineers Edge
rough pipes, rough or smooth boundaries. The equation of the velocity profile for laminar flow can be expressed as. Eq. 1. v = v c − ( γ h L 4 μ L ) r 2. For turbulent flows, more uniform velocity distribution results. From experiments of Nikuradse and others, equations of velocity profiles in terms of center velocity vc or shear velocity ...
Water Supply Treatment Plant Design Spreadsheet Calculator …
Download: Water Supply Treatment Plant Design Spreadsheet. This spreadsheet includes the following calcualtions: Water system demand. Water standards physical and chemical. Comparison of Given Data & Standard Data and Treatment Proposed. Design of Intake Well. Design of Pen Stock & Bell Mouth Strainer. Design of Gravity Main.
Vaporization Rate Liquid Surface Calculator - Engineers Edge
Vaporization Rate Liquid Surface Calculator. Blue cells editable. molecular weight of volatile substance M =. mass-transfer coefficient K =. area of liquid surface A s =. saturation vapor pressure of the pure liquid at T L, P sat =. ideal gas constant R g =. absolute temperature of the liquid T L =. Results.