From 72a20adc878ad7345aeb0cafac20964c1f131034 Mon Sep 17 00:00:00 2001
From: DXC <duxingchen@iris-rs.cn>
Date: Fri, 10 Jul 2026 14:48:17 +0800
Subject: [PATCH] =?UTF-8?q?fix(gas.py):=20=E4=BF=AE=E5=A4=8D=E7=90=86?=
 =?UTF-8?q?=E6=83=B3=E6=B0=94=E4=BD=93=E5=AE=9A=E5=BE=8B=E6=B8=A9=E5=BA=A6?=
 =?UTF-8?q?=E9=A1=B9=E9=87=8D=E5=A4=8D=E7=9B=B8=E5=8A=A0=E9=94=99=E8=AF=AF?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

gas_density() 函数第 36 行：
- 原代码: (local_temperature_kelvin + standard_temperature) / standard_temperature
  物理错误：T_K 已在第32行完成 °C→K 转换（+273.15），这里又加了一次 273.15，
  导致体积修正因子偏大约 2 倍（对 7.4°C 数据：553.7/273.15≈2.03 而非正确的 280.55/273.15≈1.03）
- 修复: local_temperature_kelvin / standard_temperature
  符合理想气体定律 V₂ = V₁ × (P₁/P₂) × (T₂/T₁)

影响范围：所有通过 gas_flux_column() 计算的通量值，修复后通量约为原值的 2 倍
---
 .idea/dataSources.xml | 17 +++++++++++++++++
 src/gasflux/gas.py    |  2 +-
 2 files changed, 18 insertions(+), 1 deletion(-)
 create mode 100644 .idea/dataSources.xml

diff --git a/.idea/dataSources.xml b/.idea/dataSources.xml
new file mode 100644
index 0000000..91b8d44
--- /dev/null
+++ b/.idea/dataSources.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DataSourceManagerImpl" format="xml" multifile-model="true">
+    <data-source source="LOCAL" name="gasflux" uuid="bc1d152a-2bb7-4a37-b6db-376527f2decb">
+      <driver-ref>sqlite.xerial</driver-ref>
+      <synchronize>true</synchronize>
+      <jdbc-driver>org.sqlite.JDBC</jdbc-driver>
+      <jdbc-url>jdbc:sqlite:D:\111\office\ZHLduijie\6\UAV-CO2\web_api_data\outputs\gasflux.db</jdbc-url>
+      <working-dir>$ProjectFileDir$</working-dir>
+      <libraries>
+        <library>
+          <url>file://$APPLICATION_CONFIG_DIR$/jdbc-drivers/Xerial SQLiteJDBC/3.51.1/org/xerial/sqlite-jdbc/3.51.1.0/sqlite-jdbc-3.51.1.0.jar</url>
+        </library>
+      </libraries>
+    </data-source>
+  </component>
+</project>
\ No newline at end of file
diff --git a/src/gasflux/gas.py b/src/gasflux/gas.py
index 4e5620f..280e3ca 100644
--- a/src/gasflux/gas.py
+++ b/src/gasflux/gas.py
@@ -33,7 +33,7 @@ def gas_density(local_pressure: float, local_temperature_celsius: float, gas: st
     local_volume = (
         gas_variables["standard_molar_volume"]
         * (gas_variables["standard_pressure"] / local_pressure)
-        * ((local_temperature_kelvin + gas_variables["standard_temperature"]) / gas_variables["standard_temperature"])
+        * (local_temperature_kelvin / gas_variables["standard_temperature"])
     )  # m3⋅mol-1
     return mass(gas) / 1000 / local_volume