python_algorithm/python算法时长计算研究生版.py

from flask import Flask, request, jsonify

app = Flask(__name__)


@app.route('/calculate_defrost_time', methods=['POST'])
def calculate_defrost_time():
    data = request.json

    w = data['w'] / 100  # 含水率转换为小数
    rho_coal = data['rho_coal']
    rho_ice = data['rho_ice']
    C_coal = data['C_coal']
    C_ice = data['C_ice']
    L = data['L']
    k_coal = data['k_coal']
    print("导热系数", k_coal)
    k_ice = data['k_ice']
    h = data['h']
    T_air = data['T_air']
    T_initial = data['T_initial']
    T_m = data['T_m']
    a, b, c = data['a'], data['b'], data['c']

    # 计算体积和表面积
    V = a * b * c
    A = 2 * (a * b) + 2 * (b * c) + 2 * (a * c)

    # 计算混合密度
    rho_mix = (1 - w) * rho_coal + w * rho_ice
    print("rho_mix值为:", rho_mix)

    # 计算混合比热容
    C_mix = (1 - w) * C_coal + w * C_ice
    print("C_mix值为:", C_mix)


    # 计算特征长度
    L_char = V / A
    print("特征长度为:", L_char)

    # 计算体积分数
    phi = (w * rho_coal) / rho_ice
    print("体积分数为", phi)

    # 计算有效导热系数
    k_eff = (k_coal * (2 * k_coal + k_ice - 2 * phi * (k_coal - k_ice)) / (2 * k_coal + k_ice + phi * (k_coal - k_ice))) + 1.1
    print("有效导热系数为", k_eff)


    # 计算初步解冻时间 t1
    t1 = ((0.2 * rho_mix * C_mix * L_char ** 2) / k_eff * ((T_m - T_initial) / (T_air - T_initial))) / 3600
    print("T1为", t1)

    # 计算进一步解冻时间 t2
    k_char = h  # 近似处理 k_char
    t2 = ((rho_mix * w * L * L_char * L_char / (k_eff * (T_air - T_m))) * ((0.5 + k_eff / (k_char * L_char))/6))/3600
    print("T2为", t2)

    # 计算总解冻时间
    t_total = t1 + t2

    return jsonify({"t1": t1, "t2": t2, "t_total": t_total})


if __name__ == '__main__':
    app.run(host='127.0.0.1', port=9996, debug=True)