adding other plant supporting equipment

This commit is contained in:
Jay Robson 2024-02-02 22:03:47 +11:00
parent d170630616
commit b98dbffe1e
14 changed files with 407 additions and 218 deletions

40
src/coolant/condenser.cpp Normal file
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@ -0,0 +1,40 @@
#include "condenser.hpp"
#include <cmath>
#include <iostream>
using namespace sim::coolant;
constexpr static double calc_cylinder(double h, double d)
{
double r = d / 2;
return M_PI * r * r * h;
}
condenser::condenser(fluid_t type, double height, double diameter, double level) :
height(height), diameter(diameter), fluid_holder(type, calc_cylinder(height, diameter))
{
this->level = level;
}
double condenser::get_bubble_hl()
{
return (level / volume) * diameter * 0.5 / fluid.bubble_speed;
}
void condenser::update(double secs)
{
std::cout << "Condenser:\n\n";
std::cout << "Level: " << level << "\n";
std::cout << "Volume: " << volume << "\n";
std::cout << "Height: " << height << "\n";
std::cout << "Diameter: " << diameter << "\n";
std::cout << "Pressure: " << get_pressure() << "\n";
std::cout << "Teperature: " << heat << "\n\n";
((sim::coolant::fluid_holder*)this)->update(secs);
}

24
src/coolant/condenser.hpp Normal file
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#pragma once
#include "fluid_holder.hpp"
namespace sim::coolant
{
class condenser : public fluid_holder
{
const double height;
const double diameter;
virtual double get_bubble_hl();
public:
condenser(fluid_t type, double height, double diameter, double level);
void update(double dt);
};
};

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@ -0,0 +1,130 @@
#include "fluid_holder.hpp"
#include "../constants.hpp"
#include "../conversions/temperature.hpp"
#include "../reactor/fuel/half_life.hpp"
#include <cmath>
using namespace sim::coolant;
fluid_holder::fluid_holder(fluid_t fluid, double volume) : fluid(fluid), volume(volume)
{
}
double fluid_holder::add_heat(double m1, double t1)
{
double t2 = get_heat();
double t = t1 - t2;
double m2 = (fluid.l_to_g(level) + steam) * fluid.jPgk;
double m = m1 + m2;
heat = t1 - t * m2 / m;
return heat;
}
double fluid_holder::add_fluid(double v2, double t2)
{
double v1 = level;
double t1 = get_heat();
double t = t1 - t2;
if(level + v2 > volume)
{
v2 = volume - level;
}
heat = t1 - t * v2 / (v1 + v2);
level += v2;
return v2;
}
double fluid_holder::extract_fluid(double amount)
{
if(amount < level)
{
level -= amount;
}
else
{
amount = level;
level = 0;
}
return amount;
}
double fluid_holder::extract_steam(double dt, double a, double p2)
{
// calculate the mass moved
double p1 = get_pressure();
double p = (p1 - p2) * 0.001; // mPa or g/m/s^2
if(p == 0)
{
return 0;
}
double V = (volume - level) * 0.001; // m^3
double mass = std::min(dt * a * p / std::sqrt( V * std::abs(p) / steam ), steam);
if(std::isnan(mass))
{
return 0;
}
steam -= mass;
return mass;
}
double fluid_holder::get_pressure() const
{
double T = conversions::temperature::c_to_k(heat);
double V = (volume - level) * 0.001;
double n = fluid.g_to_mol(steam);
return (n * T * constants::R) / V;
}
void fluid_holder::update(double secs)
{
double V = (volume - level) * 0.001;
double P = fluid.vapor_pressure.calc_p(heat);
double T = conversions::temperature::c_to_k(heat);
double n = fluid.mol_to_g((V * P) / (T * constants::R)) - steam;
double s = steam + n;
double l = fluid.l_to_g(level) - n;
double v = fluid.l_to_g(volume);
if(l < 0)
{
s += l;
l = 0;
}
if(s > v)
{
s = v;
l = 0;
}
if(l > v)
{
l = v;
s = 0;
}
double diff = s - steam;
steam = s;
level = fluid.g_to_l(l);
heat -= diff * fluid.jPg / (fluid.l_to_g(level) + steam) / fluid.jPgk;
if(diff > 0) steam_suspended += diff;
steam_suspended *= reactor::fuel::half_life::get(secs, get_bubble_hl());
}

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@ -0,0 +1,46 @@
#pragma once
#include "fluid_t.hpp"
namespace sim::coolant
{
class fluid_holder
{
protected:
const fluid_t fluid;
const double volume; // litres
double level = 0; // litres
double steam = 0; // grams
double steam_suspended = 0; // grams
double heat = 0; // celsius
fluid_holder(fluid_t fluid, double volume);
public:
double add_heat(double m, double t);
double add_fluid(double amount, double heat);
double extract_steam(double dt, double a, double p2);
double extract_fluid(double amount);
constexpr double get_volume() const { return volume; } // litres
constexpr double get_level() const { return level; } // litres
constexpr double get_heat() const { return heat; } // celsius
constexpr double get_steam() const { return steam; } // grams
constexpr double get_mass() const { return fluid.l_to_g(level) + steam; } // grams
constexpr double get_steam_density() const { return steam / (volume - level); } // g/L
constexpr double get_steam_suspended() const { return steam_suspended; } // grams
constexpr double get_void_ratio() const { double s = steam_suspended / get_steam_density(); return s / (level + s); }
virtual double get_bubble_hl() = 0;
double get_pressure() const; // pascals
void update(double dt);
};
};

72
src/coolant/pump.cpp Normal file
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#include "pump.hpp"
#include <cmath>
#include <iostream>
using namespace sim::coolant;
pump::pump(fluid_holder& src, fluid_holder& dst, double mass, double radius, double l_per_rev, double friction) :
src(&src), dst(&dst), mass(mass), radius(radius), l_per_rev(l_per_rev), friction(friction)
{
power = 1e3;
}
double pump::get_flow() const
{
return l_per_rev * get_rpm() / 60;
}
double pump::get_rpm() const
{
return velocity / (M_PI * mass * 0.001 * radius * radius);
}
static double calc_work(double j, double mass)
{
double m = 1;
if(j < 0)
{
m = -1;
}
return m * std::sqrt(m * j / (mass * 0.001));
}
void pump::update(double dt)
{
velocity += calc_work(dt * power, mass);
double src_heat = src->get_heat();
double p_diff_1 = dst->get_pressure() - src->get_pressure();
double src_volume = src->extract_fluid(get_flow() * dt);
double dst_volume = dst->add_fluid(src_volume, src_heat);
if(dst_volume < src_volume)
{
src->add_fluid(src_volume - dst_volume, src_heat);
}
double p_diff_2 = dst->get_pressure() - src->get_pressure();
double p_diff = (p_diff_1 + p_diff_2) / 2;
double work = p_diff * dst_volume + get_rpm() * 60 * dt * friction;
velocity -= calc_work(work, mass);
if(dst->get_level() > 400 || src->get_level() < 50)
{
power = 0;
}
else
{
power = 1e3;
}
std::cout << "RPM: " << get_rpm() << "\t";
std::cout << "Flow: " << get_flow() << std::endl;
std::cout << "Work Done: " << work << " J\n";
std::cout << "Src Volume: " << src_volume << "\n";
}

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@ -1,57 +1,34 @@
#pragma once
#include <ostream>
#include "fluid_holder.hpp"
namespace sim::coolant
{
template <class A>
class pump
{
const double max;
const double heat;
A* a;
double rate = 0;
fluid_holder* const src;
fluid_holder* const dst;
const double mass; // grams
const double radius; // meters
const double l_per_rev; // litres
const double friction; // J/rev
double velocity = 0; // m/s
public:
constexpr pump(A& a, double max, double heat) : a(&a), max(max), heat(heat)
{
double power = 0; // watts
}
pump(fluid_holder& src, fluid_holder& dst, double mass, double radius, double l_per_rev, double friction);
constexpr double get_rate() const
{
return rate;
}
double get_flow() const; // L/s
double get_rpm() const; // rev/min
void update(double dt);
};
constexpr double get_flow() const
{
return rate * max;
}
constexpr void change_speed(double amount)
{
rate += amount;
if(rate < 0) rate = 0;
if(rate > 1) rate = 1;
}
void update(double secs)
{
a->add_fluid(rate * max * secs, heat);
}
friend std::ostream& operator<<(std::ostream& o, const pump& p)
{
o << "Rate: " << (p.get_rate() * 100) << " %\n";
o << "Flow: " << (p.get_flow() * 0.001) << " kg/s\n";
return o;
}
};
};

27
src/coolant/valve.cpp Normal file
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#include "valve.hpp"
using namespace sim::coolant;
valve::valve(fluid_holder& src, fluid_holder& dst, double max) : src(&src), dst(&dst), max(max)
{
}
void valve::set_state(double v)
{
if(v > 1) v = 1;
if(v < 0) v = 0;
state = v;
}
void valve::open(double v)
{
set_state(state + v);
}
void valve::update(double dt)
{
// rate = a->extract_steam(dt, state * max, pressure) / dt; TODO
}

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@ -1,55 +1,29 @@
#pragma once
#include "fluid_holder.hpp"
namespace sim::coolant
{
template <class A>
class valve
{
A* a;
const double max;
const double pressure;
fluid_holder* const src;
fluid_holder* const dst;
double state = 0;
double rate = 0;
public:
constexpr valve(A& a, double max, double pressure) : a(&a), max(max), pressure(pressure)
{
valve(fluid_holder& src, fluid_holder& dst, double max);
}
constexpr double get_state() const
{
return state;
}
constexpr void set_state(double v)
{
if(v > 1) v = 1;
if(v < 0) v = 0;
state = v;
}
constexpr void open(double v)
{
set_state(state + v);
}
constexpr void update(double secs)
{
rate = a->extract_steam(secs, state * max, pressure) / secs;
}
friend std::ostream& operator<<(std::ostream& o, const valve& v)
{
o << "Opened: " << (v.state * 100) << " %\n";
o << "Rate: " << v.rate << " g/s\n";
return o;
}
void open(double v);
void update(double secs);
void set_state(double v);
constexpr double get_state() const { return state; }
};
};

0
src/electric/turbine.cpp Normal file
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10
src/electric/turbine.hpp Normal file
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@ -0,0 +1,10 @@
#pragma once
namespace sim::electric
{
};

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@ -15,114 +15,20 @@ constexpr static double calc_cylinder(double h, double d)
return M_PI * r * r * h;
}
vessel::vessel(double height, double diameter, double level, sim::coolant::fluid_t fluid) :
height(height),
diameter(diameter),
volume(calc_cylinder(height, diameter)),
fluid(fluid),
level(level),
bubble_hl(height * 0.5 / fluid.bubble_speed)
vessel::vessel(sim::coolant::fluid_t fluid, double height, double diameter, double level) :
sim::coolant::fluid_holder(fluid, calc_cylinder(height, diameter)),
height(height), diameter(diameter)
{
this->level = level;
}
double vessel::get_bubble_hl()
{
return (level / volume) * height * 0.5 / fluid.bubble_speed;
}
void vessel::update(double secs)
{
double V = (volume - level) * 0.001;
double P = fluid.vapor_pressure.calc_p(heat);
double T = conversions::temperature::c_to_k(heat);
double n = fluid.mol_to_g((V * P) / (T * constants::R)) - steam;
double s = steam + n;
double l = fluid.l_to_g(level) - n;
double v = fluid.l_to_g(volume);
if(l < 0)
{
s += l;
l = 0;
}
if(s > v)
{
s = v;
l = 0;
}
if(l > v)
{
l = v;
s = 0;
}
double diff = s - steam;
steam = s;
level = fluid.g_to_l(l);
heat -= diff * fluid.jPg / (fluid.l_to_g(level) + steam) / fluid.jPgk;
if(diff > 0) steam_suspended += diff;
steam_suspended *= fuel::half_life::get(secs, bubble_hl);
}
double vessel::add_heat(double m1, double t1)
{
double t2 = get_heat();
double t = t1 - t2;
double m2 = (fluid.l_to_g(level) + steam) * fluid.jPgk;
double m = m1 + m2;
heat = t1 - t * m2 / m;
return heat;
}
double vessel::add_fluid(double m2, double t2)
{
double m1 = get_mass();
double t1 = get_heat();
double t = t1 - t2;
m2 = fluid.g_to_l(m2);
if(level + m2 > volume)
{
m2 = volume - level;
}
heat = t1 - t * m2 / (m1 + m2);
level += m2;
return m2;
}
double vessel::extract_steam(double dt, double a, double p2)
{
// calculate the mass moved
double p1 = get_pressure();
double p = (p1 - p2) * 0.001; // mPa or g/m/s^2
if(p == 0)
{
return 0;
}
double V = (volume - level) * 0.001; // m^3
double mass = std::min(dt * a * p / std::sqrt( V * std::abs(p) / steam ), steam);
if(std::isnan(mass))
{
return 0;
}
steam -= mass;
return mass;
}
double vessel::get_pressure() const
{
double T = conversions::temperature::c_to_k(heat);
double V = (volume - level) * 0.001;
double n = fluid.g_to_mol(steam);
return (n * T * constants::R) / V;
((sim::coolant::fluid_holder*)this)->update(secs);
}

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@ -3,44 +3,22 @@
#include <ostream>
#include "../../coolant/fluid_t.hpp"
#include "../../coolant/fluid_holder.hpp"
namespace sim::reactor::coolant
{
class vessel
class vessel : public sim::coolant::fluid_holder
{
double level; // litres
double heat = 0; // celsius
double steam = 0; // grams
double steam_suspended = 0; // grams
public:
const double height; // meters
const double diameter; // meters
const double volume; // litres
const double bubble_hl; // seconds
const sim::coolant::fluid_t fluid;
vessel(double height, double diameter, double level, sim::coolant::fluid_t fluid);
vessel(sim::coolant::fluid_t fluid, double height, double diameter, double level);
virtual double get_bubble_hl();
void update(double secs);
double add_heat(double m, double t);
double add_fluid(double amount, double heat);
double extract_steam(double dt, double a, double p2);
constexpr double get_volume() const { return volume; } // litres
constexpr double get_level() const { return level; } // litres
constexpr double get_heat() const { return heat; } // celsius
constexpr double get_steam() const { return steam; } // grams
constexpr double get_mass() const { return fluid.l_to_g(level) + steam; } // grams
constexpr double get_steam_density() const { return steam / (volume - level); } // g/L
constexpr double get_steam_suspended() const { return steam_suspended; } // grams
constexpr double get_void_ratio() const { double s = steam_suspended / get_steam_density(); return s / (level + s); }
double get_pressure() const; // pascals
friend std::ostream& operator<<(std::ostream& o, const vessel& v)
{
@ -56,5 +34,5 @@ public:
};
}
};

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@ -35,19 +35,21 @@ system::system()
" C C C C "
};
vessel = std::make_unique<reactor::coolant::vessel>(8, 10, 300, sim::coolant::WATER);
reactor = std::make_unique<sim::reactor::reactor>(sim::reactor::builder(19, 19, 1.0 / 4.0, 4, reactor::fuel::fuel_rod(0.5), *vessel.get(), layout));
vessel = std::make_unique<reactor::coolant::vessel>(sim::coolant::WATER, 8, 10, 300);
reactor = std::make_unique<reactor::reactor>(sim::reactor::builder(19, 19, 1.0 / 4.0, 4, reactor::fuel::fuel_rod(0.5), *vessel.get(), layout));
condenser = std::make_unique<coolant::condenser>(sim::coolant::WATER, 8, 6, 200);
valve = std::make_unique<coolant::valve<reactor::coolant::vessel>>(*vessel.get(), 1, 500);
pump = std::make_unique<coolant::pump<reactor::coolant::vessel>>(*vessel.get(), 1e4, 15);
turbine_bypass_valve = std::make_unique<coolant::valve>(*vessel.get(), *condenser.get(), 1);
core_pump = std::make_unique<coolant::pump>(*condenser.get(), *vessel.get(), 1e6, 1, 100, 100);
}
system::system(system&& o)
{
vessel = std::move(o.vessel);
reactor = std::move(o.reactor);
valve = std::move(o.valve);
pump = std::move(o.pump);
condenser = std::move(o.condenser);
turbine_bypass_valve = std::move(o.turbine_bypass_valve);
core_pump = std::move(o.core_pump);
}
void system::update(double dt)
@ -55,7 +57,8 @@ void system::update(double dt)
dt *= speed;
vessel->update(dt);
reactor->update(dt);
valve->update(dt);
pump->update(dt);
condenser->update(dt);
turbine_bypass_valve->update(dt);
core_pump->update(dt);
}

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@ -7,6 +7,7 @@
#include "reactor/reactor.hpp"
#include "coolant/pump.hpp"
#include "coolant/valve.hpp"
#include "coolant/condenser.hpp"
#include "graphics/mesh/mesh.hpp"
namespace sim
@ -18,8 +19,9 @@ struct system
std::unique_ptr<sim::reactor::reactor> reactor;
std::unique_ptr<sim::reactor::coolant::vessel> vessel;
std::unique_ptr<sim::coolant::valve<sim::reactor::coolant::vessel>> valve;
std::unique_ptr<sim::coolant::pump<sim::reactor::coolant::vessel>> pump;
std::unique_ptr<sim::coolant::condenser> condenser;
std::unique_ptr<sim::coolant::pump> core_pump;
std::unique_ptr<sim::coolant::valve> turbine_bypass_valve;
sim::graphics::mesh scene;
double speed = 1;