@neutrium/pipe/src/BWG_Tube.ts

The pipe module of the Neutrium library

//
//	Birmingham Wire Gauge/Stubs Wire Gauge Tube
//

import { Pipe } from './Pipe'
import { Quantity } from '@neutrium/quantity';


export class BWG_Tube extends Pipe
{
    // BWG wall thickness data (inches)
    static readonly BWG_DATA = {"00000": 0.5, "5/0": 0.5,"0000": 0.454, "4/0": 0.454,"000": 0.425, "3/0": 0.425,"00": 0.38, "2/0": 0.38,"0": 0.34,"1": 0.3,"2": 0.284,"3": 0.259,"4": 0.238,"5": 0.22,"6": 0.203,"7": 0.18,"8": 0.165,"9": 0.148,"10": 0.134,"11": 0.12,"12": 0.109,"13": 0.095,"14": 0.083,"15": 0.072,"16": 0.065,"17": 0.058,"18": 0.049,"19": 0.042,"20": 0.035,"21": 0.032,"22": 0.028,"23": 0.025,"24": 0.022,"25": 0.02,"26": 0.018,"27": 0.016,"28": 0.014,"29": 0.013,"30": 0.012,"31": 0.01,"32": 0.009,"33": 0.008,"34": 0.007,"35": 0.005,"36": 0.004};

    public readonly bwg: string;

    // @param {string} ns - The nominal size of the pipe (NPS vs DN ?)
    // @param {string} schedule - The pipe schdule
    constructor(od : string | Quantity, guage : string)
    {
        od = new Quantity(od);

		if(!BWG_Tube.BWG_DATA.hasOwnProperty(guage))
		{
			throw Error("Invalid birmingham wire gauge provided");
		}

		let wt = new Quantity(BWG_Tube.BWG_DATA[guage], "in").to(od.units());

		// od and wt are in metres at this point
        super(od, wt);

        // Set additional Schedule pipe info
        this.bwg = guage;
    }
}