calculate mass flow rate at standard conditions

1 files changed, 13 insertions, 0 deletions

diff --git a/engine.c b/engine.c
index d0a1b38..3e0a792 100644
--- a/engine.c
+++ b/engine.c
@@ -116,3 +116,16 @@ mass_flow_rate(const Engine *e) {
 	t = e->ambient_temperature;
 	return (p * v) / (R_AIR * t);
 }
+
+/* Mass flow rate through the engine (corrected to standard conditions). */
+MassFlowRate
+mass_flow_rate_corrected(const Engine *e) {
+	Pressure p;
+	Temperature t;
+	VolumeFlowRate v;
+
+	p = STANDARD_PRESSURE;
+	t = STANDARD_TEMPERATURE;
+	v = volume_flow_rate(e);
+	return (p * v) / (R_AIR * t);
+}