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Assessment 2 - Solutions

# Assessment 2 - Solutions - nergy is added to the fluid as...

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Asse 1. A turbomachine is a device in wh by the action of one or more mov 2. In a compressor, energy is extrac compressor (pump or fan) – en 3. In a turbine, energy is extracted f 4. Turbomachines can be classified 5. For a velocity triangle where the = 30 mph. (Alpha1 = angle that V What is Vr1 equal to? Answer: 4 6. Two velocity triangles describe t Alpha1=Beta2=45° and Alpha2= makes with U, Beta = blade angl What is V2 equal to? Answer: V 7. Two velocity triangles describe t Alpha1=Beta2=45° and Alpha2= makes with U, Beta = blade angl What is the reaction? Answer: 0 essment 2 – Solutions hich energy is transferred either to or from a con ving blade rows. (TRUE) cted from the fluid as the fluid traverses the rotor
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Unformatted text preview: nergy is added to the fluid as the fluid traverse from the fluid as the fluid traverses the rotor. (T d by the path of fluid flow, e.g. radial, axial or m e inlet conditions of a turbomachine are: Alpha1= V1 makes with U1, Beta1 = blade angle) 42.43 mph the inlet and outlet conditions of a turbomachine =Beta1=30°, V1=Vr2=30 mph, and U1 = U2. (A le) V2=(Vr2)(sin(beta2)) / (sin(alpha2) the inlet and outlet conditions of a turbomachine =Beta1=30°, V1=Vr2=30 mph, and U1 = U2. (A le) 0.50 ntinuous flowing fluid r. (FALSE: In a ses the rotor.) RUE) ixed. (TRUE) =45°, Beta1=30° and V1 e. Given: (Alpha = angle that V e. Given: lpha = angle that V...
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