实验2:587Ah 1P52 四配置对向进风风冷比较热仿真报告

连续稳态补充结论:实验2的连续稳态按 A4、A8、B4、B8 分配置并按两种风机曲线分别核对,结果已列入四配置横向表,不把 A/B 的同风机数合并。 这不是 18,000 s(5 h) 瞬态选型门槛,二者不得混用。

已锁定边界

52 个电芯逐个建模,温度表按 4×13 展示;同一电芯、界面与底板边界下切换 A/B 两套封闭底部风道,每套均为 96 条独立空气通道。连续额定热源为 29.06 W/芯,连续最大热应力为 40 W/芯。真实单次0.5C工况按显式分段热源计算。 上部电芯舱绝热且空气不进入;净散热只经过底部界面、底板和封闭风道。

打开可旋转、可缩放、可切换工况和时间的三维温场

当前推荐工况静态三维温场
由当前有效推荐工况 B-F8-linear 的 18,000 s 结果即时生成;色标取该时刻电芯实际最低—最高温。

四配置结论

推荐配置:B8。B8 在两种风机曲线和四项连续工况中全部通过;合格配置先按风机数,再按最坏温度、温差和压力排序。

完整通过配置:B8。推荐只在两种风机曲线和四项连续工况均通过后签发;合格配置先比较风机数,再比较最坏温度、温差和压力。

指标A4A8B4B8
正式工况完整通过通过通过通过
两曲线全部通过未通过未通过未通过通过
全程最坏最高温/℃68.55452.39056.02551.347
最坏芯均温差/K26.1856.5112.7821.617
最坏芯内温差/K15.28910.80711.10011.568
最坏流量变异系数0.57740.20150.03270.0189
最坏风机压力/Pa164.365253.258185.883296.901
N−1最差温度/℃68.55447.35450.35644.666
N−1最差工况A-N1-F4-linearA-N1-F8-linearB-N1-F4-linearB-N1-F8-linear
受失效风机影响区域前左角区(该角区停风)前左角区(该角区降为单风机)共用均压腔的失效风机对应侧共用均压腔的失效风机对应侧
基准连续稳态最高温/℃52.64946.31850.45745.421

几何公平性

几何公平性总验收:通过。

指标AB相对偏差门槛状态
最小流通面积/m²0.0505200.0505200.000%≤1%通过
铝材体积/m³0.00470870.00458332.665%≤3%通过
有效换热面积/m²6.2783256.1110002.665%≤3%通过

路径长度与水力补偿审计

长度指标AB
几何长度/mm35.083~1043.667525.000~525.000
补偿等效长度/mm0.000~1008.5830.000~0.000
有效水力长度/mm1043.667~1043.667525.000~525.000
展开逐通道长度明细
布局通道区域几何长度/mm补偿等效长度/mm有效水力长度/mm
AA1_01front_left35.0831008.5831043.667
AA1_02front_left78.935964.7321043.667
AA1_03front_left122.786920.8801043.667
AA1_04front_left166.638877.0291043.667
AA1_05front_left210.489833.1781043.667
AA1_06front_left254.341789.3261043.667
AA1_07front_left298.192745.4751043.667
AA1_08front_left342.043701.6231043.667
AA1_09front_left385.895657.7721043.667
AA1_10front_left429.746613.9201043.667
AA1_11front_left473.598570.0691043.667
AA1_12front_left517.449526.2171043.667
AA1_13front_left561.301482.3661043.667
AA1_14front_left605.152438.5141043.667
AA1_15front_left649.004394.6631043.667
AA1_16front_left692.855350.8121043.667
AA1_17front_left736.707306.9601043.667
AA1_18front_left780.558263.1091043.667
AA1_19front_left824.409219.2571043.667
AA1_20front_left868.261175.4061043.667
AA1_21front_left912.112131.5541043.667
AA1_22front_left955.96487.7031043.667
AA1_23front_left999.81543.8511043.667
AA1_24front_left1043.6670.0001043.667
AA2_01front_right35.0831008.5831043.667
AA2_02front_right78.935964.7321043.667
AA2_03front_right122.786920.8801043.667
AA2_04front_right166.638877.0291043.667
AA2_05front_right210.489833.1781043.667
AA2_06front_right254.341789.3261043.667
AA2_07front_right298.192745.4751043.667
AA2_08front_right342.043701.6231043.667
AA2_09front_right385.895657.7721043.667
AA2_10front_right429.746613.9201043.667
AA2_11front_right473.598570.0691043.667
AA2_12front_right517.449526.2171043.667
AA2_13front_right561.301482.3661043.667
AA2_14front_right605.152438.5141043.667
AA2_15front_right649.004394.6631043.667
AA2_16front_right692.855350.8121043.667
AA2_17front_right736.707306.9601043.667
AA2_18front_right780.558263.1091043.667
AA2_19front_right824.409219.2571043.667
AA2_20front_right868.261175.4061043.667
AA2_21front_right912.112131.5541043.667
AA2_22front_right955.96487.7031043.667
AA2_23front_right999.81543.8511043.667
AA2_24front_right1043.6670.0001043.667
AA3_01rear_left35.0831008.5831043.667
AA3_02rear_left78.935964.7321043.667
AA3_03rear_left122.786920.8801043.667
AA3_04rear_left166.638877.0291043.667
AA3_05rear_left210.489833.1781043.667
AA3_06rear_left254.341789.3261043.667
AA3_07rear_left298.192745.4751043.667
AA3_08rear_left342.043701.6231043.667
AA3_09rear_left385.895657.7721043.667
AA3_10rear_left429.746613.9201043.667
AA3_11rear_left473.598570.0691043.667
AA3_12rear_left517.449526.2171043.667
AA3_13rear_left561.301482.3661043.667
AA3_14rear_left605.152438.5141043.667
AA3_15rear_left649.004394.6631043.667
AA3_16rear_left692.855350.8121043.667
AA3_17rear_left736.707306.9601043.667
AA3_18rear_left780.558263.1091043.667
AA3_19rear_left824.409219.2571043.667
AA3_20rear_left868.261175.4061043.667
AA3_21rear_left912.112131.5541043.667
AA3_22rear_left955.96487.7031043.667
AA3_23rear_left999.81543.8511043.667
AA3_24rear_left1043.6670.0001043.667
AA4_01rear_right35.0831008.5831043.667
AA4_02rear_right78.935964.7321043.667
AA4_03rear_right122.786920.8801043.667
AA4_04rear_right166.638877.0291043.667
AA4_05rear_right210.489833.1781043.667
AA4_06rear_right254.341789.3261043.667
AA4_07rear_right298.192745.4751043.667
AA4_08rear_right342.043701.6231043.667
AA4_09rear_right385.895657.7721043.667
AA4_10rear_right429.746613.9201043.667
AA4_11rear_right473.598570.0691043.667
AA4_12rear_right517.449526.2171043.667
AA4_13rear_right561.301482.3661043.667
AA4_14rear_right605.152438.5141043.667
AA4_15rear_right649.004394.6631043.667
AA4_16rear_right692.855350.8121043.667
AA4_17rear_right736.707306.9601043.667
AA4_18rear_right780.558263.1091043.667
AA4_19rear_right824.409219.2571043.667
AA4_20rear_right868.261175.4061043.667
AA4_21rear_right912.112131.5541043.667
AA4_22rear_right955.96487.7031043.667
AA4_23rear_right999.81543.8511043.667
AA4_24rear_right1043.6670.0001043.667
BBL_01left_bank525.0000.000525.000
BBR_01right_bank525.0000.000525.000
BBL_02left_bank525.0000.000525.000
BBR_02right_bank525.0000.000525.000
BBL_03left_bank525.0000.000525.000
BBR_03right_bank525.0000.000525.000
BBL_04left_bank525.0000.000525.000
BBR_04right_bank525.0000.000525.000
BBL_05left_bank525.0000.000525.000
BBR_05right_bank525.0000.000525.000
BBL_06left_bank525.0000.000525.000
BBR_06right_bank525.0000.000525.000
BBL_07left_bank525.0000.000525.000
BBR_07right_bank525.0000.000525.000
BBL_08left_bank525.0000.000525.000
BBR_08right_bank525.0000.000525.000
BBL_09left_bank525.0000.000525.000
BBR_09right_bank525.0000.000525.000
BBL_10left_bank525.0000.000525.000
BBR_10right_bank525.0000.000525.000
BBL_11left_bank525.0000.000525.000
BBR_11right_bank525.0000.000525.000
BBL_12left_bank525.0000.000525.000
BBR_12right_bank525.0000.000525.000
BBL_13left_bank525.0000.000525.000
BBR_13right_bank525.0000.000525.000
BBL_14left_bank525.0000.000525.000
BBR_14right_bank525.0000.000525.000
BBL_15left_bank525.0000.000525.000
BBR_15right_bank525.0000.000525.000
BBL_16left_bank525.0000.000525.000
BBR_16right_bank525.0000.000525.000
BBL_17left_bank525.0000.000525.000
BBR_17right_bank525.0000.000525.000
BBL_18left_bank525.0000.000525.000
BBR_18right_bank525.0000.000525.000
BBL_19left_bank525.0000.000525.000
BBR_19right_bank525.0000.000525.000
BBL_20left_bank525.0000.000525.000
BBR_20right_bank525.0000.000525.000
BBL_21left_bank525.0000.000525.000
BBR_21right_bank525.0000.000525.000
BBL_22left_bank525.0000.000525.000
BBR_22right_bank525.0000.000525.000
BBL_23left_bank525.0000.000525.000
BBR_23right_bank525.0000.000525.000
BBL_24left_bank525.0000.000525.000
BBR_24right_bank525.0000.000525.000
BBL_25left_bank525.0000.000525.000
BBR_25right_bank525.0000.000525.000
BBL_26left_bank525.0000.000525.000
BBR_26right_bank525.0000.000525.000
BBL_27left_bank525.0000.000525.000
BBR_27right_bank525.0000.000525.000
BBL_28left_bank525.0000.000525.000
BBR_28right_bank525.0000.000525.000
BBL_29left_bank525.0000.000525.000
BBR_29right_bank525.0000.000525.000
BBL_30left_bank525.0000.000525.000
BBR_30right_bank525.0000.000525.000
BBL_31left_bank525.0000.000525.000
BBR_31right_bank525.0000.000525.000
BBL_32left_bank525.0000.000525.000
BBR_32right_bank525.0000.000525.000
BBL_33left_bank525.0000.000525.000
BBR_33right_bank525.0000.000525.000
BBL_34left_bank525.0000.000525.000
BBR_34right_bank525.0000.000525.000
BBL_35left_bank525.0000.000525.000
BBR_35right_bank525.0000.000525.000
BBL_36left_bank525.0000.000525.000
BBR_36right_bank525.0000.000525.000
BBL_37left_bank525.0000.000525.000
BBR_37right_bank525.0000.000525.000
BBL_38left_bank525.0000.000525.000
BBR_38right_bank525.0000.000525.000
BBL_39left_bank525.0000.000525.000
BBR_39right_bank525.0000.000525.000
BBL_40left_bank525.0000.000525.000
BBR_40right_bank525.0000.000525.000
BBL_41left_bank525.0000.000525.000
BBR_41right_bank525.0000.000525.000
BBL_42left_bank525.0000.000525.000
BBR_42right_bank525.0000.000525.000
BBL_43left_bank525.0000.000525.000
BBR_43right_bank525.0000.000525.000
BBL_44left_bank525.0000.000525.000
BBR_44right_bank525.0000.000525.000
BBL_45left_bank525.0000.000525.000
BBR_45right_bank525.0000.000525.000
BBL_46left_bank525.0000.000525.000
BBR_46right_bank525.0000.000525.000
BBL_47left_bank525.0000.000525.000
BBR_47right_bank525.0000.000525.000
BBL_48left_bank525.0000.000525.000
BBR_48right_bank525.0000.000525.000

压降分项审计

布局局部损失系数

系数AB
入口局部系数 K0.8000.000
转向局部系数 K1.2001.500
通道局部系数 K0.0001.500
出口局部系数 K1.0001.000

正式工况压降范围

每格依次为各正式工况的逐通道平均压降最小~最大 / 所有通道最大值,单位 Pa。

分项A4A8B4B8
摩擦压降18.229~30.652 / 30.65251.334~76.446 / 76.4466.063~14.586 / 15.22922.577~32.581 / 33.940
入口局部压降5.357~8.857 / 8.85716.583~26.044 / 26.0440.000~0.000 / 0.0000.000~0.000 / 0.000
转向局部压降8.035~13.285 / 13.28524.875~39.067 / 39.0677.727~15.546 / 16.36326.100~40.205 / 42.179
通道局部压降0.000~0.000 / 0.0000.000~0.000 / 0.0007.727~15.546 / 16.36326.100~40.205 / 42.179
出口局部压降6.696~11.071 / 11.07120.729~32.556 / 32.5565.146~10.361 / 10.36517.394~26.797 / 26.803
外部系统压降1.443~2.398 / 2.3984.469~7.068 / 7.06817.749~35.913 / 35.91359.996~93.007 / 93.007
总压降39.760~66.252 / 66.252117.989~181.131 / 181.13144.412~91.779 / 94.060152.167~232.220 / 237.532

核心结论

数值收敛

总体收敛验收:通过。

全部工况

设计门槛只用于额定热应力、最大热应力、高入口温度和 N−1;敏感性与收敛行是诊断数据。全程最不利指标、峰值时刻、18,000 s末值与零蓄热稳态分栏,能量残差均为无量纲比例。三个热阻均以质量流量加权风道入口为冷端、以全部电芯热源为分母,并排除风机电热。

工况方案类型活动风机W/芯入口/℃曲线全程最高温/℃峰值时刻/s18,000 s末最高温/℃芯均温差/K最大芯内温差/K流量变异系数瞬态能量残差稳态最高温/℃稳态能量残差底板均温到入口/K/W电芯均温到入口/K/W最高电芯到入口/K/W状态
A-A30-F4-linearA高入口温度429.0630.0linear53.6681800053.6685.1027.5110.00000.0001258.0060.000090.0101870.0142350.018230通过
A-A30-F4-quadraticA高入口温度429.0630.0quadratic52.4391800052.4394.7647.5890.00000.0001455.7330.000080.0089580.0129990.016757通过
A-A30-F8-linearA高入口温度829.0630.0linear49.7391800049.7394.0197.7280.00000.0001951.4230.000130.0064980.0105310.013812通过
A-A30-F8-quadraticA高入口温度829.0630.0quadratic48.8261800048.8263.7427.7450.00000.0002050.1680.000090.0058660.0098960.013029通过
A-CONV-BASE-F4A数值收敛429.0625.0linear49.2421800049.2425.3387.7170.00000.00013收敛复算
A-CONV-DT15-F4A数值收敛429.0625.0linear49.2481800049.2485.3407.7190.00000.00016收敛复算
A-CONV-REFINED-F4A数值收敛429.0625.0linear49.2411800049.2415.4268.3500.00000.00013收敛复算
A-D05C-F4-linearA真实单次0.5C放电及冷却429.0625.0linear40.255720029.9672.7345.2270.00000.00013单次放电参考
A-D05C-F4-quadraticA真实单次0.5C放电及冷却429.0625.0quadratic39.919720029.3872.6315.3990.00000.00017单次放电参考
A-D05C-F8-linearA真实单次0.5C放电及冷却829.0625.0linear39.075720028.2432.3185.7900.00000.00021单次放电参考
A-D05C-F8-quadraticA真实单次0.5C放电及冷却829.0625.0quadratic38.725720027.8392.2015.9090.00000.00021单次放电参考
A-F4-linearA连续额定热应力429.0625.0linear49.2421800049.2425.3387.7170.00000.0001352.6490.000080.0099980.0140440.017998未通过
A-F4-quadraticA连续额定热应力429.0625.0quadratic47.9711800047.9714.9977.7710.00000.0001750.5540.000060.0088610.0129020.016642未通过
A-F8-linearA连续额定热应力829.0625.0linear45.0421800045.0424.1527.8480.00000.0002146.3180.000090.0064480.0104810.013747未通过
A-F8-quadraticA连续额定热应力829.0625.0quadratic44.0711800044.0713.8487.8490.00000.0002145.0740.000070.0058220.0098520.012971通过
A-N1-F4-linearAN−1失效校核329.0625.0linear68.5541800068.55425.51614.7780.57740.00010122.5840.000070.0211720.0251860.064278未通过
A-N1-F4-quadraticAN−1失效校核329.0625.0quadratic68.2941800068.29426.18515.2890.57740.00013118.9800.000060.0193840.0233910.061924未通过
A-N1-F8-linearAN−1失效校核729.0625.0linear47.3541800047.3546.5118.9440.19160.0001849.5340.000130.0072280.0112630.015886通过
A-N1-F8-quadraticAN−1失效校核729.0625.0quadratic46.2221800046.2226.0378.8630.20150.0001847.9080.000100.0065000.0105320.014854通过
A-Q40-F4-linearA连续最大热应力440.0025.0linear58.2681800058.2687.39010.6290.00000.0001062.9780.000080.0100260.0140720.018041未通过
A-Q40-F4-quadraticA连续最大热应力440.0025.0quadratic56.4781800056.4786.88310.7020.00000.0001360.0060.000060.0088550.0128960.016635未通过
A-Q40-F8-linearA连续最大热应力840.0025.0linear52.3901800052.3905.71810.8070.00000.0001454.1260.000090.0064430.0104760.013742通过
A-Q40-F8-quadraticA连续最大热应力840.0025.0quadratic51.0781800051.0785.29910.8070.00000.0001452.4430.000070.0058180.0098480.012966通过
B-A30-F4-linearB高入口温度429.0630.0linear52.1681800052.1681.7797.5940.01470.0001055.7840.000120.0100660.0140670.016747通过
B-A30-F4-quadraticB高入口温度429.0630.0quadratic50.8221800050.8221.5157.8480.01560.0001353.5120.000110.0088030.0128070.015278通过
B-A30-F8-linearB高入口温度829.0630.0linear49.0271800049.0271.1418.1600.01550.0001850.5060.000050.0067160.0107200.013166通过
B-A30-F8-quadraticB高入口温度829.0630.0quadratic48.2731800048.2731.0098.2600.01520.0001949.4690.000180.0060470.0100520.012534通过
B-CONV-BASE-F4B数值收敛429.0625.0linear47.6291800047.6291.8317.8440.01440.00009收敛复算
B-CONV-DT15-F4B数值收敛429.0625.0linear47.6341800047.6341.8317.8470.01440.00014收敛复算
B-CONV-REFINED-F4B数值收敛429.0625.0linear47.4931800047.4931.5818.0130.01440.00009收敛复算
B-D05C-F4-linearB真实单次0.5C放电及冷却429.0625.0linear39.687720029.3940.9305.1000.01440.00009单次放电参考
B-D05C-F4-quadraticB真实单次0.5C放电及冷却429.0625.0quadratic39.363720028.7470.7935.3690.01620.00012单次放电参考
B-D05C-F8-linearB真实单次0.5C放电及冷却829.0625.0linear38.846720028.0120.6515.8160.01540.00019单次放电参考
B-D05C-F8-quadraticB真实单次0.5C放电及冷却829.0625.0quadratic38.553720027.6660.5896.0060.01510.00021单次放电参考
B-F4-linearB连续额定热应力429.0625.0linear47.6291800047.6291.8317.8440.01440.0000950.4570.000100.0098960.0138980.016535未通过
B-F4-quadraticB连续额定热应力429.0625.0quadratic46.1571800046.1571.5158.0590.01620.0001648.2050.000090.0086500.0126540.015078未通过
B-F8-linearB连续额定热应力829.0625.0linear44.2991800044.2991.1748.3170.01540.0001945.4210.000180.0066600.0106650.013115通过
B-F8-quadraticB连续额定热应力829.0625.0quadratic43.5031800043.5031.0328.4000.01510.0002144.3990.000130.0060010.0100060.012492通过
B-N1-F4-linearBN−1失效校核329.0625.0linear50.3561800050.3562.7827.4900.03270.0000455.1030.000110.0124030.0163980.019625通过
B-N1-F4-quadraticBN−1失效校核329.0625.0quadratic49.1991800049.1992.5277.6650.03070.0000553.0790.000100.0113360.0153350.018316通过
B-N1-F8-linearBN−1失效校核729.0625.0linear44.6661800044.6661.3238.2870.01890.0001845.9250.000050.0070340.0110390.013472通过
B-N1-F8-quadraticBN−1失效校核729.0625.0quadratic43.8501800043.8501.1758.3740.01850.0001944.8540.000160.0063380.0103430.012812通过
B-Q40-F4-linearB连续最大热应力440.0025.0linear56.0251800056.0252.54210.7980.01440.0000759.9230.000100.0099130.0139150.016563未通过
B-Q40-F4-quadraticB连续最大热应力440.0025.0quadratic54.0011800054.0012.11711.1000.01620.0001056.8300.000090.0086580.0126620.015101通过
B-Q40-F8-linearB连续最大热应力840.0025.0linear51.3471800051.3471.61711.4560.01540.0001352.8730.000040.0066560.0106610.013111通过
B-Q40-F8-quadraticB连续最大热应力840.0025.0quadratic50.2781800050.2781.42111.5680.01510.0001451.4980.000130.0059970.0100020.012488通过

来源与假设

厂家直接值

替代实验值

派生值

材料厂家值

模型性质与限制

本结果采用按工况显式切换的 A/B 压力网络、52 个独立三维各向异性电芯、三维底板有限体积导热、路径映射的显式翅片导热和 96 条一维沿程空气能量方程守恒耦合,不等同于完整三维 Navier–Stokes CFD。替代实验参数、派生热源和风机曲线的不确定性均需结合敏感性工况解读。模型未包含母排、极柱、BMS、密闭上舱自然对流/辐射再分配、老化、低温、热失控、结构强度、灰尘堵塞和泄漏。结果可用于方案比较,不用于认证或最终定型签发。