This free area calculator determines the area of a number of common shapes using both metric units and US customary units of length, including rectangle, triangle, trapezoid, circle, sector, ellipse, and parallelogram. Also, explore the surface area or volume calculators, as well as hundreds of other math, finance, fitness, and health calculators.

This flow rate calculator uses flow velocity and cross-sectional flow area data to determine the volumetric flow rate of liquid. You can calculate the flow rate in five simple steps: Input all the measurements required to compute the cross-sectional area. Click on the "Calculate.

Plug in L and D into the following equation to calculate the surface area of the pipe: 3.14 x L x D. For example, if you had a pipe with a length of 20 feet and a diameter of 2 feet, you would get 3.14 x 20 x 2 and find that the surface area of the pipe equals 125.6 square feet. Things You'll Need. Ruler or .

PCB Thermal Copper Area February 16, 2007. I published the following Zoho Sheet to calculate the PCB copper surface area to cool a device based on its power dissipation.. It is embedded below and can also be opened in its own window.

PCB Thermal Copper Area February 16, 2007. I published the following Zoho Sheet to calculate the PCB copper surface area to cool a device based on its power dissipation.. It is embedded below and can also be opened in its own window.

Thank you for showing interest in buying our book TECHNICAL CALCULATION AND ESTIMATOR'S MANHOURS MANUAL You can buy the electronic v ersion of the Manual containing all the figurest and other relat ed data at the following prices: 1. COMPLETE MANUAL (239 pages) US 600 US 1000 2. EACH CHAPTER IPIPING ABOVE GROUND - 36 pages + 20* US 180 US 300

Use the equation Q = n (e) * F to solve for Q. Q is the amount of electricity or charge in coulombs C, n (e) is the number of moles of electrons and F is the Faraday constant 96,500 C mole-1. Using our example where we need 2e- for each mole of copper: Q = n (e) * F Q = 2mol * 96,500 C/mole Q = 193,000 C. Determine the time it will take to .

Calculate material weights with ease. Use our weight calculator to calculate the weight of alloys of various forms including round bar, hexagon, sheet, flat bar and tube. To get started, choose an alloy type and grade from the options below, select the required form and enter your dimensional requirements.

Tube calculator, hollow cylinder calculator. Calculate unknown variables for surface area, circumference, volume and radius of a tube given height and 2 known variables or given volume and 2 known variables. Online calculators and formulas for a tube and other geometry problems.

Water velocity in copper tubes should not exceed 8 ft/s (2.4 m/s) for cold water and 5 ft/s (1.5 m/s) for hot water (up to approximately 140oF, 60oC ). If water temperatures routinely exceeds 140oF - don't exceed 2-3 ft/s (0.6-0.9 m/s). Pressure losses are calculated with the Hazen-Williams equation and a roughness coefficient c = 145.

The absolute magnetic permeability (μ) = μ o x μ r. μ o = 4π x 10 -7 H/m. The values for μ r are from Transmission Line Design Handbook by Brian C Wadell, Artech House 1991 Table 9.3.2 page 446. The values for ρ are from CRC Handbook of Chemistry and Physics 1st Student Edition 1998 page F-88 and are for high purity elements at 20°C.

Conduit Fill is the percent of area inside the conduit taken up by the cable (s). Provides quick and easy results for the conduit fill percent, per NEC® guidelines. Home Resources Calculators Conduit Fill Calculator. Calculate Your Conduit Fill Percentage. A great tool to help electricians, engineers and contractors answer the question, "What .

Tube calculator, hollow cylinder calculator. Calculate unknown variables for surface area, circumference, volume and radius of a tube given height and 2 known variables or given volume and 2 known variables. Online calculators and formulas for a tube and other geometry problems.

A = cross-section area (mm 2, in 2) D = diameter (mm, in) Cross-Section Area of Bunched Wire. The cross-section area of bunched wires can be calculated as. A = n d 2 π / 4 = 0.7854 n d 2. where . n = number of wires. d = single wire diameter (mm, in) Diameter of a Single Wire Cross-Section Area. The diameter of a single wire cross-section area .

Calculate the area of all the triangular sides of the pyramid using the triangle tool above. Add the surface area of the base, which may be rectangular, or triangular. Plate Inside Of Tube ? #N#Height of Head (H): Length of Head (F):

To determine the approximate O.D. of the finished cable, double the wall thickness of the wire, add this figure to the O.D. of the desired stranded conductor and multiply this dimension by the indicated factor for the number of conductors to be in the cable. Add 0.025" for a bare, tinned, or silver-plated copper shield of #36 gauge wire; e.g .

Flow Rate Calculator. Easily calculate the volumetric flow rate of a pipe (a.k.a. discharge rate) given its diameter (for a round pipe, height & width for a rectangular one) and the velocity of the liquid or gas flowing through it. The flow rate calculator can also calculate the mass flow rate of liquids given the liquid density is known. Input and output support metric and imperial .

This free voltage drop calculator estimates the voltage drop of an electrical circuit based on the wire size, distance, and anticipated load current. In addition, experiment with the resistor and Ohm's Law calculator, or explore hundreds of other calculators addressing math, finance, fitness, health, and more.

Use the equation Q = n (e) * F to solve for Q. Q is the amount of electricity or charge in coulombs C, n (e) is the number of moles of electrons and F is the Faraday constant 96,500 C mole-1. Using our example where we need 2e- for each mole of copper: Q = n (e) * F Q = 2mol * 96,500 C/mole Q = 193,000 C. Determine the time it will take to .

How would I go about determining the area of copper on the PCB required to provide a thermal resistance of < 29 C/W? I have tried searching on Google and the IEEE database, but the articles do not clearly show me how to calculate this. edit: I am using a 4 layer PCB with 1 oz copper on the top and bottom, and 0.5oz copper for the inner layers.

The figure we would plug into the calculator would be: (40 x 1.25) + 14 + 3 = 50 + 14+ 3 = 67 amps. Allowable Voltage Drop – The calculator allows entry of a voltage drop, but caution should be used when doing so to make sure you are calculating the wire sizes in .

The PCB thermal calculator helps you estimate the junction temperatures of components which use exposed-pad packages. This tool generates a quick estimate of the expected junction temperature based on the copper spreading area on the PCB. Enter/select a device Theta JC, Bottom 0.3 °C/W. Thermal resistance from the junction of the device to the .

DC Copper Busbar Ampacities. The following tables have been provided by the Alliance for Telecommunications Industry Solutions (ATIS), T1 Committee, and represent ampacities for busbar sizes and arrangements typically found in the telecommunications industry. The number of sizes shown are not as extensive as those in the tables of AC ampacities, and there may be slight discrepancies between .

Sequoia Brass & Copper Inc. is a privately held supplier of nonferrous metals in plate, bar and sheet forms. A domestic supplier, Sequoia Brass & Copper has been serving the metal fabrication industries throughout North America since 1983. Using our many precision plate saws, we can process plate material to +/- .020" tolerance.

This calculator computes the number of plants which will cover a given area, with a given distance between plants. It will compute the number if the plants are placed on a rectangular grid, and the number if they are placed on a triangular grid. To use this calculator, you must enter the area in square feet and the distance between plants in .

I am new to Cadence and have been trying to figure out how to calculate copper area in Allegro PCB. I have found some solutions for calculating area such as the following SKILL file: . Is there a way to calculate the copper area in Allegro? Thank you. Reply Cancel Cancel; redwire .

Today, we are here with another comprehensive Copper and aluminum wire size calculator As we have discussed in detail the topic of "How to calculate the proper wire size for Electrical Wiring. Now you can take the advantage of this calculator to do this job J You can also check the classical Wire & Cable Size Calculator in (AWG) Calculating Wire/Cable Size formula for single Phase Circuits .

Base on a quick calculation using online max current calculator for trace width properties, I believe your traces are undersized for 20A of current. Strip line current calculations (Internal Traces) for 50 mil 4 oz copper is . Max Current: 3.76 amps; Trace Temperature: 35.0 °C; Resistance: 0.0000640 ohms; Voltage Drop: 0.000241 volts

Inner surface area: Outer surface area: Total surface area For help with using this calculator, see the object surface area help page. Return to the Object Surface Area section . Did you find us useful? Please consider supporting the site with a small donation. click here for more information .

May 17, 2018 · If you measure the diameter and then apply that answer to the formula to work out area of a circle. So Pi (3.14..) x diameter squared So if your diameter was 3mm it would be 3.14 x 3 x 3= 28.26mm2(squared but my phone doesn't allow superscript let.

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