I am supposed to solve this by using Airy stress function. We have the general formulas for the stresses sigma_r, sigma_theta, and tau_rtheta. However, I do not quite understand what the boundary conditions are.
I understand that sigma_theta when theta = beta, which is the normal stress of the...
QBlade has submodules named "Rotor BEM Simulation" and "HAWT BEM Simulation". In both of these submodules, they can provide a "lift coefficient vs angle of attack" plot for every wind speed/TSR.
These Cl vs alpha plots are different than the one produced by XFOIL. In fact, I have never seen a...
Hello. I designed a 3 bladed HAWT rotor with airfoil S1210 12% from UIUC database. Now, I must validate the results using a blade element momentum method (Chapter 6, sub chapter 6.1 and 6.8 in the book "Gasch, R., & Twele, J. (2012). Wind Power Plants Fundamentals, Design, Construction and...
Greetings. I am trying to calculate the performance characteristics (thrust, torque, power) of a wind turbine rotor using the blade element momentum method (Chapter 6, sub chapter 6.1 and 6.8 in the book "Gasch, R., & Twele, J. (2012). Wind Power Plants Fundamentals, Design, Construction and...
Can we repurpose a water & steam valve for fuel gas application? This fuel gas consists of common gases such as CO2, N2, and hydrocarbons with molecular weight of 40.
The valve is a DBQ Fisher class 900 valve https://www.spartancontrols.com/~/media/resources/fisher/d/dbq%20info.pdf
What are...
In a gas compressor plant, a gas mixture containing 16 different gases with known composition enters a gas scrubber. The inlet and outlet pressure and temperature is known.
Question:
1. How can we calculate the flow rate (mass or volumetric, but preferably volumetric) of the condensate or the...
In a gas compressor plant, a gas mixture (containing 16 different gases) goes out of a compressor discharge into a cooler/condenser. Pressure and temperature at condenser inlet and outlet is known. In the cooler outlet, there will be both condensed gas and the remaining uncondensed gas.
How can...
