def test_satMix_02(self):
# From MECH2201 - A9 Q2 - state 4
statePropt = {'P': 5, 's': 7.7622, 'x': 0.92}
testState = StatePure(**statePropt)
self.assertTrue(testState.isFullyDefinable())
testState = fullyDefine_StatePure(testState, water_mpDF)
expected = 2367.8
self.assertTrue(isWithin(testState.h, 3, '%', expected))
print('Expected: {0}'.format(expected))
print('Received: {0}'.format(testState.h))
def test_suphVap_04(self):
# From MECH2201 - A9 Q2 - state 2
statePropt = {'P': 1000, 's': 6.6776}
testState = StatePure(**statePropt)
testState = fullyDefine_StatePure(testState, water_mpDF)
expected_h = 2820.3
self.assertTrue(isWithin(testState.h, 3, '%', expected_h))
print('Expected: {0}'.format(expected_h))
print('Received: {0}'.format(testState.h))
def test_satMix_01(self):
# From MECH2201 - A9 Q3
statePropt = {'P': 6, 's': 6.4855, 'x': 0.7638}
testState = StatePure(**statePropt)
self.assertTrue(testState.isFullyDefinable())
testState = fullyDefine_StatePure(testState, water_mpDF)
expected = 1996.7
self.assertTrue(isWithin(testState.h, 3, '%', expected))
print('Expected: {0}'.format(expected))
print('Received: {0}'.format(testState.h))
def test_suphVap_08(self):
# Superheated state requiring double interpolation
statePropt = {'P': 20, 'T': 625} # P & T above critical values - no saturated mixture exists
testState = StatePure(**statePropt)
testState = fullyDefine_StatePure(testState, water_mpDF)
expected_mu = 33.159
self.assertTrue(isWithin(testState.mu, 3, '%', expected_mu))
print('Expected: {0}'.format(expected_mu))
print('Received: {0}'.format(testState.mu))
def test_satLiq_02(self):
# From MECH2201 - A9 Q2 - state 7
statePropt = {'P': 200, 'x': 0}
testState = StatePure(**statePropt)
testState = fullyDefine_StatePure(testState, water_mpDF)
expected_h = 504.7
expected_mu = 0.001061
self.assertTrue(isWithin(testState.h, 3, '%', expected_h))
print('Expected: {0}'.format(expected_h))
print('Received: {0}'.format(testState.h))
self.assertTrue(isWithin(testState.mu, 3, '%', expected_mu))
print('Expected: {0}'.format(expected_mu))
print('Received: {0}'.format(testState.mu))
def test_satMix_05(self):
# From MECH2201 - A9 Q3 - state 11
statePropt = {'P': 150, 's': 6.4855}
testState = StatePure(**statePropt)
testState = fullyDefine_StatePure(testState, water_mpDF)
expected_h = 2409.99
expected_x = 0.8725
self.assertTrue(isWithin(testState.h, 3, '%', expected_h))
print('Expected: {0}'.format(expected_h))
print('Received: {0}'.format(testState.h))
self.assertTrue(isWithin(testState.x, 3, '%', expected_x))
print('Expected: {0}'.format(expected_x))
print('Received: {0}'.format(testState.x))
def test_satMix_03(self):
# From MECH2201 - A9 Q1 - state 4
statePropt = {'P': 10, 'x': 0.9483}
testState = StatePure(**statePropt)
testState = fullyDefine_StatePure(testState, water_mpDF)
expected_s = 7.7622
expected_h = 2460.9
self.assertTrue(isWithin(testState.h, 3, '%', expected_h))
print('Expected: {0}'.format(expected_h))
print('Received: {0}'.format(testState.h))
self.assertTrue(isWithin(testState.s, 3, '%', expected_s))
print('Expected: {0}'.format(expected_s))
print('Received: {0}'.format(testState.s))
def test_suphVap_06(self):
# From MECH2201 - A9 Q3 - state 1
statePropt = {'P': 12000, 'T': 500}
testState = StatePure(**statePropt)
testState = fullyDefine_StatePure(testState, water_mpDF)
expected_h = 3347.7
expected_s = 6.4855
self.assertTrue(isWithin(testState.h, 3, '%', expected_h))
print('Expected: {0}'.format(expected_h))
print('Received: {0}'.format(testState.h))
self.assertTrue(isWithin(testState.s, 3, '%', expected_s))
print('Expected: {0}'.format(expected_s))
print('Received: {0}'.format(testState.s))
def test_suphVap_02(self):
# From MECH2201 - A9 Q1 - state 2
statePropt = {'P': 1000, 's': 6.5966}
testState = StatePure(**statePropt)
testState = fullyDefine_StatePure(testState, water_mpDF)
expected_h = 2807.3
expected_T = 181.80
self.assertTrue(isWithin(testState.h, 3, '%', expected_h))
print('Expected: {0}'.format(expected_h))
print('Received: {0}'.format(testState.h))
self.assertTrue(isWithin(testState.T, 3, '%', expected_T))
print('Expected: {0}'.format(expected_T))
print('Received: {0}'.format(testState.T))
def test_suphVap_01(self):
# From MECH2201 - A9 Q1 - state 1
statePropt = {'P': 10000, 'T': 500} # should identify as suphVap
testState = StatePure(**statePropt)
testState = fullyDefine_StatePure(testState, water_mpDF)
expected_h = 3373.7
expected_s = 6.5966
self.assertTrue(isWithin(testState.h, 3, '%', expected_h))
print('Expected: {0}'.format(expected_h))
print('Received: {0}'.format(testState.h))
self.assertTrue(isWithin(testState.s, 3, '%', expected_s))
print('Expected: {0}'.format(expected_s))
print('Received: {0}'.format(testState.s))
def test_satMix_07(self):
# From MECH2201 - A7 Q3 - state 2
statePropt = {'P': 100, 'u': 2217.4}
testState = StatePure(**statePropt)
testState = fullyDefine_StatePure(testState, water_mpDF)
expected_s = 6.5236
expected_x = 0.862
self.assertTrue(isWithin(testState.s, 3, '%', expected_s))
print('Expected: {0}'.format(expected_s))
print('Received: {0}'.format(testState.s))
self.assertTrue(isWithin(testState.x, 3, '%', expected_x))
print('Expected: {0}'.format(expected_x))
print('Received: {0}'.format(testState.x))
def test_suphVap_07(self):
# No saturated state exists at the P&T
statePropt = {'P': 30000, 'T': 375} # P & T above critical values - no saturated mixture exists
testState = StatePure(**statePropt)
testState = fullyDefine_StatePure(testState, water_mpDF)
expected_h = 1791.9
expected_s = 3.9313
self.assertTrue(isWithin(testState.h, 3, '%', expected_h))
print('Expected: {0}'.format(expected_h))
print('Received: {0}'.format(testState.h))
self.assertTrue(isWithin(testState.s, 3, '%', expected_s))
print('Expected: {0}'.format(expected_s))
print('Received: {0}'.format(testState.s))
def test_satVap_01(self):
# From MECH3201 - Past Exam Q
s1 = fullyDefine_StatePure(StatePure(P=200, x=1), R134a_mpDF)
s7 = fullyDefine_StatePure(StatePure(P=450, x=0), R134a_mpDF)
s8 = fullyDefine_StatePure(StatePure(P=200, h=s7.h), R134a_mpDF)
s5 = fullyDefine_StatePure(StatePure(P=1200, x=0), R134a_mpDF)
sM = fullyDefine_StatePure(StatePure(P=450, h=s5.h), R134a_mpDF)
s3 = fullyDefine_StatePure(StatePure(P=450, x=1), R134a_mpDF)
self.CompareResults(s1, {'h': 244.5, 's': 0.93788}, 3)
self.CompareResults(s7, {'h': 68.8}, 3)
self.CompareResults(s5, {'h': 117.79}, 3)
self.CompareResults(sM, {'x': 0.26}, 3)
self.CompareResults(s3, {'h': 257.58}, 3)
s2s = fullyDefine_StatePure(StatePure(P=450, s=s1.s), R134a_mpDF)
self.CompareResults(s2s, {'h': 261.09}, 3)
s9 = fullyDefine_StatePure(StatePure(P=450, h=263.18), R134a_mpDF)
self.CompareResults(s9, {'s': 0.9454}, 3)
s4s = fullyDefine_StatePure(StatePure(s=s9.s, P=1200), R134a_mpDF)
self.CompareResults(s4s, {'h': 284.38}, 3)
