Example #1
0
    def test_get_alt_for_pressure(self):
        """tests ``get_alt_for_pressure``"""
        alt_targets = [0., 10., 20., 30., 40., 50.]
        for alt_target in alt_targets:
            pressure1 = atm_pressure(alt_target * 1000.)
            #alt1 = get_alt_for_pressure(pressure1, tol=5., SI=False, nmax=20)
            alt1 = get_alt_for_pressure(pressure1, nmax=20)

            #self.assertAlmostEqual(alt, alt_target)
            assert np.allclose(
                alt1, alt_target * 1000,
                atol=1.), 'alt1=%s alt_target=%s' % (alt1, alt_target * 1000)

            pressure2 = atm_pressure(alt_target,
                                     alt_units='kft',
                                     pressure_units='Pa')

            tol = 0.005  # 5 feet
            alt2 = get_alt_for_pressure(pressure2,
                                        pressure_units='Pa',
                                        alt_units='kft',
                                        tol=tol)
            assert np.allclose(
                alt2, alt_target,
                atol=1e-3), 'alt2=%s alt_target=%s' % (alt2, alt_target)
Example #2
0
    def test_pressure(self):
        """tests pressure at various altitudes"""
        self.assertEqual(atm_pressure(alt=10 * 1000.), 1456.3074319943232)
        self.assertEqual(atm_pressure(alt=60 * 1000.), 151.20878913237249)
        self.assertEqual(atm_pressure(alt=120 * 1000.), 9.8627955961437763)
        self.assertEqual(atm_pressure(alt=165 * 1000.), 1.7725806687593277)
        self.assertEqual(atm_pressure(alt=230 * 1000.), 0.13023784776280109)
        self.assertEqual(atm_pressure(alt=270 * 1000.), 0.017353278750799964)
        self.assertEqual(atm_pressure(alt=350 * 1000.), 0.00028114006933161638)

        self.assertEqual(
            atm_pressure2(alt=0., alt_units='ft', pressure_units='psf'),
            2116.2247459927403)
        self.assertEqual(
            atm_pressure2(alt=0., alt_units='m', pressure_units='psf'),
            2116.2247459927403)

        units = {
            'alt_units': 'ft',
            'pressure_units': 'psf',
        }
        self.assertEqual(atm_pressure2(alt=10 * 1000., **units),
                         1456.3074319943232)
        self.assertEqual(atm_pressure2(alt=60 * 1000., **units),
                         151.20878913237249)
        self.assertEqual(atm_pressure2(alt=120 * 1000., **units),
                         9.8627955961437763)
        self.assertEqual(atm_pressure2(alt=165 * 1000., **units),
                         1.7725806687593277)
        self.assertEqual(atm_pressure2(alt=230 * 1000., **units),
                         0.13023784776280109)
        self.assertEqual(atm_pressure2(alt=270 * 1000., **units),
                         0.017353278750799964)
        self.assertEqual(atm_pressure2(alt=350 * 1000., **units),
                         0.00028114006933161638)

        units = {
            'alt_units': 'kft',
            'pressure_units': 'psf',
        }
        self.assertEqual(atm_pressure2(alt=10, **units), 1456.3074319943232)
        self.assertEqual(atm_pressure2(alt=60, **units), 151.20878913237249)
        self.assertEqual(atm_pressure2(alt=120, **units), 9.8627955961437763)
        self.assertEqual(atm_pressure2(alt=165, **units), 1.7725806687593277)
        self.assertEqual(atm_pressure2(alt=230, **units), 0.13023784776280109)
        self.assertEqual(atm_pressure2(alt=270, **units), 0.017353278750799964)
        self.assertEqual(atm_pressure2(alt=350, **units),
                         0.00028114006933161638)
Example #3
0
    def test_pressure(self):
        self.assertEqual(atm_pressure(alt=10 * 1000.), 1456.3074319943232)
        self.assertEqual(atm_pressure(alt=60 * 1000.), 151.20878913237249)
        self.assertEqual(atm_pressure(alt=120 * 1000.), 9.8627955961437763)
        self.assertEqual(atm_pressure(alt=165 * 1000.), 1.7725806687593277)
        self.assertEqual(atm_pressure(alt=230 * 1000.), 0.13023784776280109)
        self.assertEqual(atm_pressure(alt=270 * 1000.), 0.017353278750799964)
        self.assertEqual(atm_pressure(alt=350 * 1000.), 0.00028114006933161638)

        self.assertEqual(atm_pressure2(alt=10 * 1000., alt_units='ft'),
                         1456.3074319943232)
        self.assertEqual(atm_pressure2(alt=60 * 1000., alt_units='ft'),
                         151.20878913237249)
        self.assertEqual(atm_pressure2(alt=120 * 1000., alt_units='ft'),
                         9.8627955961437763)
        self.assertEqual(atm_pressure2(alt=165 * 1000., alt_units='ft'),
                         1.7725806687593277)
        self.assertEqual(atm_pressure2(alt=230 * 1000., alt_units='ft'),
                         0.13023784776280109)
        self.assertEqual(atm_pressure2(alt=270 * 1000., alt_units='ft'),
                         0.017353278750799964)
        self.assertEqual(atm_pressure2(alt=350 * 1000., alt_units='ft'),
                         0.00028114006933161638)

        self.assertEqual(atm_pressure2(alt=10, alt_units='kft'),
                         1456.3074319943232)
        self.assertEqual(atm_pressure2(alt=60, alt_units='kft'),
                         151.20878913237249)
        self.assertEqual(atm_pressure2(alt=120, alt_units='kft'),
                         9.8627955961437763)
        self.assertEqual(atm_pressure2(alt=165, alt_units='kft'),
                         1.7725806687593277)
        self.assertEqual(atm_pressure2(alt=230, alt_units='kft'),
                         0.13023784776280109)
        self.assertEqual(atm_pressure2(alt=270, alt_units='kft'),
                         0.017353278750799964)
        self.assertEqual(atm_pressure2(alt=350, alt_units='kft'),
                         0.00028114006933161638)
Example #4
0
    def test_pressure(self):
        self.assertEqual(atm_pressure(alt=10 *1000.), 1456.3074319943232)
        self.assertEqual(atm_pressure(alt=60 *1000.), 151.20878913237249)
        self.assertEqual(atm_pressure(alt=120*1000.), 9.8627955961437763)
        self.assertEqual(atm_pressure(alt=165*1000.), 1.7725806687593277)
        self.assertEqual(atm_pressure(alt=230*1000.), 0.13023784776280109)
        self.assertEqual(atm_pressure(alt=270*1000.), 0.017353278750799964)
        self.assertEqual(atm_pressure(alt=350*1000.), 0.00028114006933161638)

        self.assertEqual(atm_pressure2(alt=10*1000., alt_units='ft'), 1456.3074319943232)
        self.assertEqual(atm_pressure2(alt=60*1000., alt_units='ft'), 151.20878913237249)
        self.assertEqual(atm_pressure2(alt=120*1000., alt_units='ft'), 9.8627955961437763)
        self.assertEqual(atm_pressure2(alt=165*1000., alt_units='ft'), 1.7725806687593277)
        self.assertEqual(atm_pressure2(alt=230*1000., alt_units='ft'), 0.13023784776280109)
        self.assertEqual(atm_pressure2(alt=270*1000., alt_units='ft'), 0.017353278750799964)
        self.assertEqual(atm_pressure2(alt=350*1000., alt_units='ft'), 0.00028114006933161638)

        self.assertEqual(atm_pressure2(alt=10, alt_units='kft'), 1456.3074319943232)
        self.assertEqual(atm_pressure2(alt=60, alt_units='kft'), 151.20878913237249)
        self.assertEqual(atm_pressure2(alt=120, alt_units='kft'), 9.8627955961437763)
        self.assertEqual(atm_pressure2(alt=165, alt_units='kft'), 1.7725806687593277)
        self.assertEqual(atm_pressure2(alt=230, alt_units='kft'), 0.13023784776280109)
        self.assertEqual(atm_pressure2(alt=270, alt_units='kft'), 0.017353278750799964)
        self.assertEqual(atm_pressure2(alt=350, alt_units='kft'), 0.00028114006933161638)
Example #5
0
    def test_pressure(self):
        """tests pressure at various altitudes"""
        self.assertEqual(
            atm_pressure(alt=0., alt_units='ft', pressure_units='psf'),
            2116.2247459927403)
        self.assertEqual(
            atm_pressure(alt=0., alt_units='m', pressure_units='psf'),
            2116.2247459927403)

        units = {
            'alt_units': 'ft',
            'pressure_units': 'psf',
        }
        self.assertEqual(atm_pressure(alt=10 * 1000., **units),
                         1456.3074319943232)
        self.assertEqual(atm_pressure(alt=60 * 1000., **units),
                         151.20878913237249)
        self.assertEqual(atm_pressure(alt=120 * 1000., **units),
                         9.8627955961437763)
        self.assertEqual(atm_pressure(alt=165 * 1000., **units),
                         1.7725806687593277)
        self.assertEqual(atm_pressure(alt=230 * 1000., **units),
                         0.13023784776280109)
        self.assertEqual(atm_pressure(alt=270 * 1000., **units),
                         0.017353278750799964)
        self.assertEqual(atm_pressure(alt=350 * 1000., **units),
                         0.00028114006933161638)

        units = {
            'alt_units': 'kft',
            'pressure_units': 'psf',
        }
        self.assertEqual(atm_pressure(alt=10, **units), 1456.3074319943232)
        self.assertEqual(atm_pressure(alt=60, **units), 151.20878913237249)
        self.assertEqual(atm_pressure(alt=120, **units), 9.8627955961437763)
        self.assertEqual(atm_pressure(alt=165, **units), 1.7725806687593277)
        self.assertEqual(atm_pressure(alt=230, **units), 0.13023784776280109)
        self.assertEqual(atm_pressure(alt=270, **units), 0.017353278750799964)
        self.assertEqual(atm_pressure(alt=350, **units),
                         0.00028114006933161638)

        self.assertEqual(
            atm_pressure(alt=0., alt_units='m', pressure_units='Pa'),
            101325.20482878872)
        self.assertAlmostEqual(atm_pressure(alt=0.,
                                            alt_units='m',
                                            pressure_units='kPa'),
                               101.32520482878872,
                               delta=0.001)
        self.assertAlmostEqual(atm_pressure(alt=0.,
                                            alt_units='m',
                                            pressure_units='MPa'),
                               0.10132520482878872,
                               delta=0.000001)

        with self.assertRaises(RuntimeError):
            atm_pressure(alt=0., alt_units='m', pressure_units='bar')