160 lines
4.3 KiB
JSON
160 lines
4.3 KiB
JSON
{
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"name": "Chiller Air-Glycol 2 Circuits - Screw Economisé + MCHX",
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"description": "Machine frigorifique 2 circuits indépendants. R134a, condenseurs MCHX (4 coils, air 35°C), évaporateurs noyés (MEG 35%, 12→7°C), compresseurs vis économisés VFD.",
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"fluid": "R134a",
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"circuits": [
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{
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"id": 0,
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"components": [
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{
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"type": "ScrewEconomizerCompressor",
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"name": "screw_0",
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"fluid": "R134a",
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"nominal_frequency_hz": 50.0,
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"mechanical_efficiency": 0.92,
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"economizer_fraction": 0.12,
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"mf_a00": 1.20,
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"mf_a10": 0.003,
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"mf_a01": -0.002,
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"mf_a11": 0.00001,
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"pw_b00": 55000.0,
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"pw_b10": 200.0,
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"pw_b01": -300.0,
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"pw_b11": 0.5,
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"p_suction_bar": 3.2,
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"h_suction_kj_kg": 400.0,
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"p_discharge_bar": 12.8,
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"h_discharge_kj_kg": 440.0,
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"p_eco_bar": 6.4,
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"h_eco_kj_kg": 260.0
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},
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{
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"type": "MchxCondenserCoil",
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"name": "mchx_0a",
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"ua": 15000.0,
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"coil_index": 0,
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"n_air": 0.5,
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"t_air_celsius": 35.0,
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"fan_speed_ratio": 1.0
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},
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{
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"type": "MchxCondenserCoil",
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"name": "mchx_0b",
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"ua": 15000.0,
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"coil_index": 1,
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"n_air": 0.5,
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"t_air_celsius": 35.0,
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"fan_speed_ratio": 1.0
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},
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{
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"type": "Placeholder",
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"name": "exv_0",
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"n_equations": 2
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},
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{
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"type": "FloodedEvaporator",
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"name": "evap_0",
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"ua": 20000.0,
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"refrigerant": "R134a",
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"secondary_fluid": "MEG",
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"target_quality": 0.7
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}
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],
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"edges": [
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{ "from": "screw_0:outlet", "to": "mchx_0a:inlet" },
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{ "from": "mchx_0a:outlet", "to": "mchx_0b:inlet" },
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{ "from": "mchx_0b:outlet", "to": "exv_0:inlet" },
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{ "from": "exv_0:outlet", "to": "evap_0:inlet" },
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{ "from": "evap_0:outlet", "to": "screw_0:inlet" }
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]
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},
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{
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"id": 1,
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"components": [
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{
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"type": "ScrewEconomizerCompressor",
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"name": "screw_1",
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"fluid": "R134a",
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"nominal_frequency_hz": 50.0,
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"mechanical_efficiency": 0.92,
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"economizer_fraction": 0.12,
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"mf_a00": 1.20,
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"mf_a10": 0.003,
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"mf_a01": -0.002,
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"mf_a11": 0.00001,
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"pw_b00": 55000.0,
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"pw_b10": 200.0,
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"pw_b01": -300.0,
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"pw_b11": 0.5,
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"p_suction_bar": 3.2,
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"h_suction_kj_kg": 400.0,
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"p_discharge_bar": 12.8,
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"h_discharge_kj_kg": 440.0,
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"p_eco_bar": 6.4,
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"h_eco_kj_kg": 260.0
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},
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{
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"type": "MchxCondenserCoil",
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"name": "mchx_1a",
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"ua": 15000.0,
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"coil_index": 2,
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"n_air": 0.5,
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"t_air_celsius": 35.0,
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"fan_speed_ratio": 1.0
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},
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{
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"type": "MchxCondenserCoil",
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"name": "mchx_1b",
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"ua": 15000.0,
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"coil_index": 3,
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"n_air": 0.5,
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"t_air_celsius": 35.0,
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"fan_speed_ratio": 1.0
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},
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{
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"type": "Placeholder",
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"name": "exv_1",
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"n_equations": 2
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},
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{
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"type": "FloodedEvaporator",
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"name": "evap_1",
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"ua": 20000.0,
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"refrigerant": "R134a",
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"secondary_fluid": "MEG",
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"target_quality": 0.7
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}
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],
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"edges": [
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{ "from": "screw_1:outlet", "to": "mchx_1a:inlet" },
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{ "from": "mchx_1a:outlet", "to": "mchx_1b:inlet" },
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{ "from": "mchx_1b:outlet", "to": "exv_1:inlet" },
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{ "from": "exv_1:outlet", "to": "evap_1:inlet" },
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{ "from": "evap_1:outlet", "to": "screw_1:inlet" }
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]
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}
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],
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"solver": {
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"strategy": "fallback",
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"max_iterations": 150,
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"tolerance": 1e-6,
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"timeout_ms": 5000,
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"verbose": false
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},
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"metadata": {
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"refrigerant": "R134a",
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"application": "Air-cooled chiller",
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"glycol_type": "MEG 35%",
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"glycol_inlet_celsius": 12.0,
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"glycol_outlet_celsius": 7.0,
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"ambient_air_celsius": 35.0,
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"nominal_capacity_kw": 400.0,
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"n_coils": 4,
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"n_circuits": 2
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}
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}
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