上面的matlab代码补充完整,增加位置、墙体、植物蒸腾、土壤温度等参数
时间: 2023-10-19 22:17:55 浏览: 44
好的,下面是补充完整的Matlab代码,增加了位置、墙体、植物蒸腾、土壤温度等参数:
```matlab
%% Parameters
% Location
latitude = 40.0; % degrees north
longitude = -105.3; % degrees west
elevation = 1562; % meters above sea level
% Weather data
T = readtable('weather_data.csv');
T.Properties.VariableNames = {'Date', 'Time', 'Tout', 'RH', 'Wind', 'Rain'};
% Building properties
V = 100; % m^3
A = 80; % m^2
U = 0.1; % W/(m^2*K)
Cp = 1000; % J/(kg*K)
rho = 1.2; % kg/m^3
% Wall properties
Aw = 20; % m^2
Uw = 2; % W/(m^2*K)
Cpw = 1000; % J/(kg*K)
rhow = 800; % kg/m^3
% Plant properties
Ap = 10; % m^2
Uev = 10; % W/(m^2*K)
Cpev = 2500; % J/(kg*K)
rhoev = 1200; % kg/m^3
gamma = 0.1; % kg/m^2
% Soil properties
As = 40; % m^2
Us = 1; % W/(m^2*K)
Cps = 800; % J/(kg*K)
rhos = 1500; % kg/m^3
alpha = 0.1; % m^2/s
% Simulation parameters
dt = 3600; % seconds
t = 0:dt:(24*3600); % seconds
N = numel(t);
%% Initialize variables
% Building
Tin = 20*ones(N,1); % degrees Celsius
m = rho*V; % kg
Qhvac = zeros(N,1); % watts
Qsol = zeros(N,1); % watts
Qint = zeros(N,1); % watts
% Wall
Tw = 20*ones(N,1); % degrees Celsius
mw = rhow*Aw; % kg
% Plant
Tev = 20*ones(N,1); % degrees Celsius
mev = rhoev*Ap; % kg
E = zeros(N,1); % kg/s
Qev = zeros(N,1); % watts
% Soil
Ts = 20*ones(N,1); % degrees Celsius
ms = rhos*As; % kg
Qg = zeros(N,1); % watts
% Weather
Tout = interp1(T.Time, T.Tout, t/3600); % degrees Celsius
RH = interp1(T.Time, T.RH, t/3600); % percent
Wind = interp1(T.Time, T.Wind, t/3600); % meters/second
Rain = interp1(T.Time, T.Rain, t/3600); % millimeters/hour
%% Simulate model
for i = 2:N
% Building heat transfer
Qh = U*A*(Tout(i-1)-Tin(i-1)); % watts
Qs = (1-rho)*V*Cp*(Tin(i-1)-Tw(i-1))/dt; % watts
Qw = Uw*Aw*(Tout(i-1)-Tw(i-1)); % watts
Qhvac(i) = Qh - Qs - Qw; % watts
Tin(i) = Tin(i-1) + Qhvac(i)/(rho*V*Cp); % degrees Celsius
% Wall heat transfer
Qw1 = Uw*Aw*(Tw(i-1)-Tout(i-1)); % watts
Qw2 = (1-rhow*Aw*rho*V*Cp/dt)*mw*(Tw(i-1)-Tw(i-2))/dt; % watts
Tw(i) = Tw(i-1) - (Qw1 + Qw2)/(rhow*Aw*Cpw); % degrees Celsius
% Plant heat transfer
E(i) = gamma*Ap*(RH(i)/100)*(611*exp(17.27*Tev(i)/(Tev(i)+237.3))-611*exp(17.27*Tout(i)/(Tout(i)+237.3))); % kg/s
Qev(i) = Uev*Ap*(Tev(i)-Tout(i)); % watts
Tev(i) = Tev(i-1) + (E(i)*Cpev-Qev(i))/(mev*Cpev); % degrees Celsius
% Soil heat transfer
Qg1 = alpha*As*(Ts(i-1)-Tout(i-1)); % watts
Qg2 = (1-rhos*As*rho*V*Cp/dt)*ms*(Ts(i-1)-Ts(i-2))/dt; % watts
Qg3 = gamma*Ap*(RH(i)/100)*(611*exp(17.27*Tev(i)/(Tev(i)+237.3))-611*exp(17.27*Ts(i)/(Ts(i)+237.3))); % watts
Ts(i) = Ts(i-1) + (Qg1 + Qg2 - Qg3)/(rhos*As*Cps); % degrees Celsius
% Solar radiation
% Assume solar radiation is perpendicular to the wall
% Assume solar radiation is constant over the day
% Assume solar radiation is absorbed by the wall and not the air
% Assume solar radiation does not penetrate the wall
Qsol(i) = 1000*cosd(latitude)*cosd(longitude)*(1+0.033*cosd(360*t(i)/86400))*(1-0.14*sin(2*pi*(t(i)/86400-0.24))); % watts
% Internal heat
Qint(i) = 100; % watts
end
%% Plot results
figure
subplot(2,2,1)
plot(t/3600, Tin)
xlabel('Time (hours)')
ylabel('Indoor temperature (C)')
subplot(2,2,2)
plot(t/3600, Tw)
xlabel('Time (hours)')
ylabel('Wall temperature (C)')
subplot(2,2,3)
plot(t/3600, Tev)
xlabel('Time (hours)')
ylabel('Plant temperature (C)')
subplot(2,2,4)
plot(t/3600, Ts)
xlabel('Time (hours)')
ylabel('Soil temperature (C)')
figure
plot(t/3600, [Qhvac, Qsol, Qint, Qev, Qg])
legend('HVAC', 'Solar', 'Internal', 'Evapotranspiration', 'Ground')
xlabel('Time (hours)')
ylabel('Heat transfer (watts)')
```