Calculators for pipe diameter, flow rate, pressure drop, orifice plate, Reynolds number, Venturi effect, resistance coefficient and more. . With every calculator, you can read the full theoretical explanation and check calculation formulas. .

and toxicity. Ethylene glycol-based fluids are less viscous than propylene glycol-based fluids. Therefore, they generally provide superior heat transfer efficiency and better low temperature performance and are preferred for most heat transfer applications. However, in applications where tox-icity is a concern, propylene glycol

Jul 07, 2005· Evaporation rates were determined for water−ethylene glycol liquid mixtures with different mole fractions, where the evaporation rate expressed as mg min-1/area was used because of the presence of two kinds of molecular species. The rate increased with increasing temperature and decreased with increasing mole fraction of ethylene glycol, almost obeying ideal mixing of the two …

In this tip of the month (TOTM), we will demonstrate how the diagrams presented by Moshfeghian and Taraf [10] can be used to determine the concentration of MeOH in the rich solution and the required total injection rate for a desired hydrate formation temperature.

A computer program has been developed that enables process engineers and designers to estimate the circulation rate of lean triethylene glycol (TEG) needed to dry natural gas in glycol dehydrators .

Glycol Percentage Relative to Freeze Point Propylene Glycol .ClenAir Freezing Point Propylene Glycol Solution (%) 0% 10% 20% 30% 40% 50% 60% Glycometer™ Temperature (F)° 32° 26° 18° 7° (-8°) (-29°) (-55°) Ethylene Glycol

What percentage of glycol/water do I need for my cooling system? For freeze protection, the required concentration of inhibited glycol fluid in a system depends on the operating conditions of the system and the lowest expected ambient temperature. For corrosion protection, it's also important to consider the materials of construction, the age .

It will be apparent when you use the calculator that lower temperatures and higher Ethylene Glycol concentrations require a significantly higher flow rate to achieve a given Reynolds Number. This is due to the physical property of these liquids to become more viscous as temperature decreases.

Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound with the formula (CH 2 OH) 2.It is mainly used for two purposes, as a raw material in the manufacture of polyester fibers and for antifreeze formulations. It is an odorless, colorless, sweet-tasting, viscous liquid.

Jul 07, 2005· Evaporation rates were determined for water−ethylene glycol liquid mixtures with different mole fractions, where the evaporation rate expressed as mg min-1/area was used because of the presence of two kinds of molecular species. The rate increased with increasing temperature and decreased with increasing mole fraction of ethylene glycol, almost obeying ideal mixing of the two …

can see what the actual flow would be with a propylene glycol solution. Q = K√P÷ Sg Q = 8.0 √10.56÷ 1.085 Q= 24 gpm We see that there is a 2 gpm difference between the water calculation and the antifreeze calculation. The initial sprinkler flow will be at approximately a .185 gpm/ft² instead of the required .2 gpm/ft².

Ethylene Glycol based water solutions are common in heat-transfer applications where the temperature in the heat transfer fluid can be below 32 o F (0 o C).Ethylene glycol is also commonly used in heating applications that temporarily may not be operated (cold) in surroundings with freezing conditions - such as cars and machines with water cooled engines.

Jun 19, 2011· Calculating BTU Transfer Using The Water Formula. . an ending temperature, and a flow rate, you can calculate the heat transfer in BTUs. As mentioned, water has a specific heat of 1.0. But a 30% or 50% aqueous glycol solution has a different value. Of course if you are using glycol you must know the specific heat for the brand of glycol you .

This tool will calculate the average volumetric flow rate of a gas or liquid in any units from the total volume of gas or liquid that has flowed pass in a measured period of time. After the flow has been calculated two conversion scales will be be generated showing a range of values for volume and time versus flow rate. Formula

Aug 09, 2016· There are peaks and valleys in the flow rates, over a 24 hour period, that are fairly predictable. With this new information, I would amend the "right" answer. The circulation rate is the minimum amount of glycol required to reach spec gas at max sustained flow rates.

The glycol concentration refers to the percentage of water in the glycol and it is regarded as an important process variable which has to be monitored and controlled at all times . Usually, the manufacturer gives the operating glycol circulation rate as that which is required

Flow Rate is the volume of fluid which passes through a given surface per unit time. Here we can calculate for Flow Rate, Flow Area, Flow Velocity. Flow Rate Calculation

It will be apparent when you use the calculator that lower temperatures and higher Ethylene Glycol concentrations require a significantly higher flow rate to achieve a given Reynolds Number. This is due to the physical property of these liquids to become more viscous as temperature decreases.

Glycol Regeneration 43 A. Gas condensate glycol separator 43 . CALCULATION SPREADSHEET Glycol Dehydrator with Tray Contactor.xls 69 Glycol Dehydrator with Packing Contactor.xls 70 . 3. High mass transfer rate, i.e., a high rate of removal. 4. Easy, economic regeneration. 5. Small resistance to gas flow, so that the pressure drop through the .

Gas constant in terms of energy per unit of mass and temperature, for gas density calculation using ideal gas state equation Calculation setup Select value to calculate. You should enter not selected one. D pipe diameter V flow velocity Select value to input. You should enter selected one. The other one will be calculated q volumetric flow rate ṁ

Calculation and selection of air-cooling units operating with glycol water or brine. Liquid chillers. Calculation and selection of process chillers. Hydraulic piping. Calculation of hydraulic pipes for indirect refrigeration systems with glycol water or brine. Refrigerant rule. Calculation rule for thermophysical properties of most usual .

Ethylene Glycol based water solutions are common in heat-transfer applications where the temperature in the heat transfer fluid can be below 32 o F (0 o C).Ethylene glycol is also commonly used in heating applications that temporarily may not be operated (cold) in surroundings with freezing conditions - such as cars and machines with water cooled engines.

Glycol Dehydration Calculations Template (2 pages) As part of the supporting documentation, include the aggregate summary report and summary of input values. A few of the necessary inputs include the following: • Actual glycol flow rate and actual gas throughput for current year (not permitted values)

Equations for calculating the TEG circulation rate, number of actual trays [45,772] Example [134,204 bytes] A computer program has been developed that enables process engineers and designers to .

Jun 19, 2011· I thought it might be cool to write about how BTU transfer is calculated and share a little shortcut. There is a quick back of the envelope formula used for calculating the BTU/h values for heating water. The "water formula" says: Q (Energy) = 500 x f x DeltaT (in F) Q = rate of…

Mar 23, 2018· The glycol circulation rate in this chart is based on a conversion from a U.S. standard measure of 3 gallons of glycol required to remove 1 lb. of water from the gas stream. The assumption made is that these circulation rates rates will remove all water. Generally, gas contracts do not require total removal of water.

The Fluid Calculator is provided to approximate fluid properties and load. It is the design engineer's responsibility to determine actual fluid load, concentration, freezing point and the application of this and other information provided by NAPPS.

the gas-to-glycol (G/L) mass flow rate ratio was 40:1, so the gas phase completely dominates. The temperature throughout the column, including the glycol phase, is set mainly by the inlet gas temperature, moderated slightly by allowing for gas heating by the small glycol flow.

Calculation and selection of air-cooling units operating with glycol water or brine. Liquid chillers. Calculation and selection of process chillers. Hydraulic piping. Calculation of hydraulic pipes for indirect refrigeration systems with glycol water or brine. Refrigerant rule. Calculation rule for thermophysical properties of most usual .

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