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47 :
48 : #ifndef ENERGYPLUS_COILS_COIL_COOLING_DX_ASHRAE205_PERFORMANCE
49 : #define ENERGYPLUS_COILS_COIL_COOLING_DX_ASHRAE205_PERFORMANCE
50 :
51 : #include <string>
52 : #include <vector>
53 :
54 : #include "rs0004.h"
55 : #include <EnergyPlus/Coils/CoilCoolingDXPerformanceBase.hh>
56 : #include <EnergyPlus/DataGlobalConstants.hh>
57 : #include <EnergyPlus/DataLoopNode.hh>
58 : #include <EnergyPlus/EnergyPlus.hh>
59 :
60 : namespace EnergyPlus {
61 :
62 : // Forward declarations
63 : struct EnergyPlusData;
64 :
65 : struct CoilCoolingDX205Performance : public CoilCoolingDXPerformanceBase
66 : {
67 : CoilCoolingDX205Performance(EnergyPlusData &state, const std::string &name_to_find);
68 :
69 : static constexpr std::string_view object_name = "Coil:DX:ASHRAE205:Performance";
70 :
71 : std::shared_ptr<tk205::rs0004_ns::RS0004> representation; // ASHRAE205 representation instance
72 : std::pair<EnergyPlusData *, std::string> logger_context;
73 : Btwxt::InterpolationMethod interpolation_type{Btwxt::InterpolationMethod::linear};
74 : Real64 rated_total_cooling_capacity;
75 : Real64 rated_steady_state_heating_capacity;
76 :
77 3 : int numSpeeds() override
78 : {
79 3 : return representation->performance.performance_map_cooling.grid_variables.compressor_sequence_number.size();
80 : }
81 :
82 1 : Real64 ratedCBF(EnergyPlusData &state) override
83 : {
84 1 : return 0.001;
85 : };
86 :
87 : Real64 grossRatedSHR(EnergyPlusData &state) override;
88 :
89 4 : Real64 evapAirFlowRateAtSpeedIndex(EnergyPlusData &state, int index) override // Volumetric
90 : {
91 4 : return speeds[index].evaporator_air_volumetric_flow;
92 : }
93 :
94 : Real64 ratedTotalCapacityAtSpeedIndex(EnergyPlusData &, int) override;
95 :
96 1 : Real64 ratedEvapAirMassFlowRate(EnergyPlusData &state) override
97 : {
98 1 : return speeds[nominal_speed_index].evaporator_air_mass_flow;
99 : }
100 :
101 2 : Real64 ratedEvapAirFlowRate(EnergyPlusData &state) override
102 : {
103 2 : return evapAirFlowRateAtSpeedIndex(state, nominal_speed_index);
104 : }
105 :
106 4 : Real64 ratedGrossTotalCap() override
107 : {
108 4 : return rated_total_cooling_capacity;
109 : }
110 :
111 : void size(EnergyPlusData &state) override;
112 :
113 : void simulate(EnergyPlusData &state,
114 : const DataLoopNode::NodeData &inletNode,
115 : DataLoopNode::NodeData &outletNode,
116 : HVAC::CoilMode mode,
117 : int speedNum,
118 : Real64 speedRatio,
119 : HVAC::FanOp const fanOpMode,
120 : DataLoopNode::NodeData &condInletNode,
121 : DataLoopNode::NodeData &condOutletNode,
122 : bool const singleMode,
123 : Real64 LoadSHR = 0.0) override;
124 :
125 : void calculate(EnergyPlusData &state,
126 : const DataLoopNode::NodeData &inletNode,
127 : DataLoopNode::NodeData &outletNode,
128 : // Real64 &PLR,
129 : int speedNum,
130 : Real64 speedRatio,
131 : HVAC::FanOp fanOpMode,
132 : DataLoopNode::NodeData &condInletNode,
133 : DataLoopNode::NodeData &);
134 :
135 : private:
136 : tk205::rs0004_ns::LookupVariablesCoolingStruct calculate_rated_capacities(EnergyPlus::EnergyPlusData &state, int speed_index) const;
137 :
138 : void calculate_air_mass_flow(EnergyPlusData &state, int speed_index);
139 :
140 : void calculate_cycling_capcacity(EnergyPlusData &state,
141 : const DataLoopNode::NodeData &inletNode,
142 : DataLoopNode::NodeData &outletNode,
143 : Real64 const gross_power,
144 : Real64 const ratio,
145 : HVAC::FanOp const fanOpMode);
146 :
147 : void set_output_node_conditions(EnergyPlusData &state,
148 : const DataLoopNode::NodeData &inletNode,
149 : DataLoopNode::NodeData &outletNode,
150 : Real64 gross_total_capacity,
151 : Real64 gross_sensible_capacity,
152 : Real64 air_mass_flow_rate) const;
153 :
154 : // Rating constants
155 : static constexpr Real64 outdoor_coil_entering_dry_bulb_temperature_K{308.15}; // 95F
156 : static constexpr Real64 indoor_coil_entering_dry_bulb_temperature_K{299.82}; // 80F
157 : static constexpr Real64 reference_wb_temperature{292.59}; // 67F
158 : static constexpr Real64 reference_pressure_sea_level{101325.0};
159 : static constexpr Real64 rating_flow{400.0}; // cfm/ton
160 : Real64 rating_humidity_ratio{0.0};
161 : Real64 rating_indoor_coil_entering_relative_humidity{0.0};
162 : Real64 rating_rho_air{0.0};
163 :
164 : int nominal_speed_index{0};
165 :
166 : struct CoilSpeedParameters
167 : {
168 : Real64 evaporator_air_mass_flow;
169 : Real64 evaporator_air_volumetric_flow;
170 : };
171 : std::vector<CoilSpeedParameters> speeds;
172 : };
173 : } // namespace EnergyPlus
174 : #endif // ENERGYPLUS_COILS_COIL_COOLING_DX_ASHRAE205_PERFORMANCE
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