{
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   "cell_type": "code",
   "execution_count": 54,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The autoreload extension is already loaded. To reload it, use:\n",
      "  %reload_ext autoreload\n"
     ]
    }
   ],
   "source": [
    "from notepad import WaterStorage\n",
    "\n",
    "%load_ext autoreload\n",
    "%autoreload 2"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Developments steps to take: \n",
    "* Test the WaterStorage\n",
    "* Create some example for WaterStorage\n",
    "* Define interactions WaterStorage <> Heatpump\n",
    "* Create some example for WaterStorage + Heatpump\n",
    "* Develop the interactions --> Create working examples"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## WaterStorage"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Functional requirements for the WaterStorage:\n",
    "* Given:      \n",
    "    * Size / capacity\n",
    "    * Temperature in/out\n",
    "    * Max power\n",
    "    * Roundtripp efficiency\n",
    "* It should be able to execute commands, like: \n",
    "    * Charge\n",
    "    * Discharge\n",
    "    * Whats the storage level? \n",
    "    * Assign financials    \n",
    "    * Take into account storage losses (time dependent)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 55,
   "metadata": {},
   "outputs": [],
   "source": [
    "waterstorage = WaterStorage(\n",
    "    name='MyStorage',\n",
    "    max_power=10,\n",
    "    min_power=-10,\n",
    "    roundtrip_eff=0.90,\n",
    "    specific_heat_capacity =1.16*1e-3,\n",
    "    volume = 500,\n",
    "    lifetime = 25,\n",
    "    min_temperature = 328, #K\n",
    "    max_temperature = 368 #K\n",
    "    \n",
    ")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 56,
   "metadata": {},
   "outputs": [],
   "source": [
    "Tsink = 413 #K\n",
    "Tsource = 333 #K\n",
    "Tref = 273 #K\n",
    "hp_capacity = 31 #MW\n",
    "demand = 25 #MW\n",
    "Cp = 4190\n",
    "MW_to_J_per_s = 1000_000\n",
    "hp_capacity *= MW_to_J_per_s\n",
    "demand *= MW_to_J_per_s"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 57,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "52.84691442209342"
      ]
     },
     "execution_count": 57,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "def hp_mass_flow (hp_capacity, Tsink, Tref, Cp):\n",
    "    return hp_capacity /(Cp*(Tsink - Tref)) \n",
    "hp_mass_flow (31_000_000, 413, 273, 4190)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 58,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "42.61847937265598"
      ]
     },
     "execution_count": 58,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "def process_mass_flow (demand, Tsink, Tref, Cp):\n",
    "    return demand /(Cp*(Tsink - Tref)) \n",
    "process_mass_flow (25_000_000, 413, 273, 4190)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 59,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "5.866"
      ]
     },
     "execution_count": 59,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "charge_mass_flow = 52 - 42 #can be written as a functiality\n",
    "charge_heat = (charge_mass_flow * Cp * (Tsink - Tref)) / MW_to_J_per_s\n",
    "charge_heat"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 60,
   "metadata": {},
   "outputs": [],
   "source": [
    "# charge_mass_flow = 52 - 42 #should be written as function\n",
    "# def charge_heat (charge_mass_flow, Cp, Tsink, Tref, MW_to_J_per_s):\n",
    "#     return (charge_mass_flow * Cp * (Tsink - Tref)) / MW_to_J_per_s\n",
    "# charge_heat (10, 4190, 413, 273, 1000_000)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 61,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "99.44311853619729"
      ]
     },
     "execution_count": 61,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "def source_mass_flow (demand, Tsource, Tref, Cp):\n",
    "    return demand /(Cp*(Tsource - Tref)) \n",
    "source_mass_flow (25_000_000, 333, 273, 4190) "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 62,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "10.199723652807435"
      ]
     },
     "execution_count": 62,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "efficiency = 0.7\n",
    "Tdischarge = 95 + 273\n",
    "heat_output = 5.8 * efficiency\n",
    "heat_output *= MW_to_J_per_s\n",
    "discharge_mass_flow = heat_output /(Cp*(Tdischarge - Tref)) \n",
    "discharge_mass_flow"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 63,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "4059999.9999999995"
      ]
     },
     "execution_count": 63,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "heat_output"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 64,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "63.18181818181818"
      ]
     },
     "execution_count": 64,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Tsource_new = (discharge_mass_flow * T_discharge + Tsource * source_mass_flow) / (discharge_mass_flow + source_mass_flow)\n",
    "Tsource_new = (10 * 95 + 60*100) / (10+100)\n",
    "Tsource_new"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 65,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "dict_keys(['name', 'id', 'max_power', 'min_power', 'modes', 'roundtrip_eff', 'specific_heat_capacity', 'volume', 'lifetime', 'min_temperature', 'max_temperature', 'delta_T', 'energy_density', 'max_storage_capacity'])"
      ]
     },
     "execution_count": 65,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "waterstorage.__dict__.keys()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 66,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "23.2"
      ]
     },
     "execution_count": 66,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# max_storage_capacity is in MWh and it should inherit MWh to MW conversion from Assets\n",
    "#  MW = MWh / self.time_factor\n",
    "waterstorage.max_storage_capacity"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 67,
   "metadata": {},
   "outputs": [],
   "source": [
    "# chargelevel = self.chargelevel\n",
    "# max_charging = chargelevel - self.max_chargelevel\n",
    "# max_discharging = chargelevel - self.min_chargelevel"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 71,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Funtionality: Set the storage level\n",
    "# waterstorage.storagelevel = 15\n",
    "# waterstorage.max_storagelevel = 23.2\n",
    "# waterstorage.min_storagelevel = 5\n",
    "# # waterstorage.max_charging = waterstorage.max_storagelevel - waterstorage.storagelevel\n",
    "# # waterstorage.max_discharging = waterstorage.max_storagelevel - waterstorage.min_storagelevel\n",
    "# waterstorage.max_discharging"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 72,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "20"
      ]
     },
     "execution_count": 72,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Functionality: Charge the storage\n",
    "waterstorage.storage_level = 15\n",
    "waterstorage.charge = 5\n",
    "waterstorage.storage_level += waterstorage.charge\n",
    "waterstorage.storage_level"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 73,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "11"
      ]
     },
     "execution_count": 73,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Functionality: Discharge the storage\n",
    "waterstorage.storage_level = 15\n",
    "waterstorage.discharge = 4\n",
    "waterstorage.storage_level -= waterstorage.discharge\n",
    "waterstorage.storage_level"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## WaterStorage + Heatpump system"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Functional requirements for the WaterStorage + Heatpump system:\n",
    "1. Goal (Funtional requirements): \n",
    "    * Given (context)\n",
    "    * price (forecast), \n",
    "    * source and sink temperature (provided by process), \n",
    "    * process heat demand, \n",
    "    * storage level of the water storage (temperature level)\n",
    "* I want to know:\n",
    "    * Heat output from the heatpump (in MW)\n",
    "    * New storage level / temperature level\n",
    "    * Electricity consumption of the heatpump"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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