Question

所以我有一个简单的问题，有一个复杂的解决方案。我需要一些帮助弄清楚如何将其转换：

T = m * K * log（ywr *（T _蛋-T _水）/（T _蛋黄-T _水））

m = 56 –甲级鸡蛋的质量（克）。
K = ?? –鸡蛋的热性质找出如何在JS中表示K
T _egg = -15.556 –摄氏冰箱中的鸡蛋温度
T _水 = 212 –华氏海平面沸水温度
T _蛋黄 = .69 –温度（0.69a，煮熟）
ywr = .76 –蛋黄与白人的比例

...转换为JavaScript代码。我已经完成了简单的部分，但是我什至不知道如何开始将鸡蛋的导热特性转换为JS。由于缺乏物理知识，我可能走错了路或误解了某些东西，因此我加入了指向pdf that I am referencing的链接。

const m = 56          // in grams
const K =             // thermal properties of egg find out how to represent K in JS
const T_egg = -15.556 // celsius
const Twater = 212    // @sealevel change this to a mutable variable
const Tyolk = .69     // T(.69a, tcooked)
const ywr = .76       // ratio of yolks to whites

function TminTwater(T, Twater, T_egg){
    if (T || Twater || T_egg != null ){
        const d = (T_egg - Twater)
        const e = (T - Twater)
        const f = (d / e)
        const g = ywr * f
        return g
    } else console.log('error at function TminTwater')
}

// T = m * K * LOG(ywr * (Tegg  -   Twater) / (Tyolk  -  Twater))
function solution(TminTwater, K , m){

}

Answer 1

这有效

let temperatureEggBeginning = 4; // TStart Temperatur des Eis bei Beginn des Kochvorgangs [Kühlschrank ≈ 4 °C … Zimmertemperatur ≈ 20 °C]
let temperatureYolkEnd = 63;  // TInnen Temperatur des gekochten Eigelbs im gewünschten Zustand [weich ≈ 62 °C … hart ≈ 82 °C]
let temperatureBoilingWaterAtZero = 100;
let massOfEgg = 57; //M das Gewicht des Eis in Gramm medium = 57
let altitude = 0;
let meterBoilingPoint = 285; // Siedepunkt sinkt um 1 °C pro 285 m. // K  thermalConductivityEgg / 60 from https://khymos.org/2009/04/09/towards-the-perfect-soft-boiled-egg/
let temperatureBoilingWater = temperatureBoilingWaterAtZero - altitude / meterBoilingPoint; // TWasser

let eggC = 3.7;
let eggP = 1.038;
let eggK = 5.4 * Math.pow(10, -3);

let thermalConductivityEgg = (eggC * Math.pow(eggP, 1 / 3)) / (eggK * Math.pow(Math.PI, 2) * Math.pow(4 * (Math.PI / 3), 2 / 3));

let timeInSeconds = thermalConductivityEgg * Math.pow(massOfEgg, 2 / 3) * Math.log(0.76 * (temperatureEggBeginning - temperatureBoilingWater) / (temperatureYolkEnd - temperatureBoilingWater));
//  = (57^(2/3)*3.7*1.038^(1/3))/(5.4*10^-3*pi^2*(4*pi/3)^(2/3))*ln(.76*(4-100)/(63-100))  = 272.039 bei https://www.wolframalpha.com/input/?i=+%3D+%2857%5E%282%2F3%29*3.7*1.038%5E%281%2F3%29%29%2F%285.4*10%5E-3*pi%5E2*%284*pi%2F3%29%5E%282%2F3%29%29*ln%28.76*%284-100%29%2F%2863-100%29%29
let timeInMinutes = timeInSeconds / 60;

在高空煮鸡蛋

1 个答案: