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Changes for page Sensor Module

Last modified by Heimir Thordarson on 2026/07/05 12:56
From version 65.2
edited by Heimir Thordarson
on 2026/03/24 14:24
Change comment: There is no comment for this version
To version 67.3
edited by Heimir Thordarson
on 2026/07/05 12:36
Change comment: There is no comment for this version

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... ... @@ -268,13 +268,33 @@
268 268  where:
269 269  
270 270  * {{mathjax}}\(Q\){{/mathjax}}= Waterflow through the equivalent orifice
271 -* {{mathjax}}\(C_D \cdot A_D\){{/mathjax}}= practical
272 -* {{mathjax}}\(R_T\){{/mathjax}}=
271 +* {{mathjax}}\(C_D \cdot A_D\){{/mathjax}}= practical cross section of the orifice
272 +* {{mathjax}}\(\Delta P\){{/mathjax}}= Pressure difference between the two pressure sensors
273 +* {{mathjax}}\(\rho\){{/mathjax}}= Density of the cooling liquid
273 273  
275 +The sensor used on the AR26 car is the [[Bosch Motorsport PST-F 1>>https://www.bosch-motorsport.de/content/downloads/Raceparts/Resources/pdf/Data%20Sheet_70496907_Pressure_Sensor_Combined_PST-F_1.pdf]] and has the following transfer function for the output voltages based on pressure and temperature.
274 274  
277 +=== Pressure sensor ===
275 275  
279 +The pressure sensor build into the PST-F 1 has an supply voltage of 5 volts and has a output voltage range of 0.5 to 4.5 volts. The following formula shows the pressure based on the output voltage.
276 276  
281 +{{mathjax}}
282 +$$
283 +P = 2.5 \cdot V - \frac{5}{4}
284 +$$
285 +{{/mathjax}}
277 277  
287 +Where:
288 +
289 +* {{mathjax}}\(P\){{/mathjax}} = Pressure from pressure sensor [bar]
290 +* {{mathjax}}\(V\){{/mathjax}} = Voltage output from the pressure sensor [volts]
291 +
292 +
293 +
294 += Alternative Usecases =
295 +
296 +For the AR26 sensor module, it proved itself being useful in taking extra task if any other systems stopped working. During the Vehicel Status Video (VSV) was the sensor module used as the Vehicle Control Unit (VCU), but did not measure all of the sensors which the original VCU was intended to measure. This can be
297 +
278 278  = Bill of Materials =
279 279  
280 280  == Circuit Board ==