210 lines
4.4 KiB
Python
210 lines
4.4 KiB
Python
#!/usr/bin/env python
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#
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# See __doc__ for an explanation of what this module does
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#
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# See __usage__ for an explanation of runtime arguments.
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#
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# -Christopher Blunck
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#
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__author__ = 'Christopher Blunck'
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__email__ = 'chris@wxnet.org'
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__revision__ = '$Revision: 1.6 $'
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__doc__ = 'pressure related conversion functions'
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__usage__ = 'this module should not be run via the command line'
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def atm_to_in32(atm):
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"""Atmospheres (atm) to inches of mercury @32F (inHg32)"""
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return atm * 29.9213
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def atm_to_in60(atm):
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"""Atmospheres (atm) to inches of mercury @60F (inHg60)"""
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return atm * 30.0058
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def atm_to_mb(atm):
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"""Atmospheres (atm) to millibars (mb)"""
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return atm * 1013.25
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def atm_to_pa(atm):
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"""Atmospheres (atm) to pascals (Pa)"""
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return atm * 101325
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def atm_to_lb_sqin(atm):
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"""Atmospheres (atm) to pounds/square inch (lb/in**2)"""
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return atm * 14.696
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def in32_to_mb(inches):
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"""Inches of mercury @32F (inHg32) to millibars (mb)"""
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return inches * 33.8639
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def in32_to_atm(inches):
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"""Inches of mercury @32F (inHg32) to millibars (mb)"""
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return inches * 0.0334211
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def in32_to_lbs(inches):
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"""Inches of mercury @32F (inHg32) to pounds/square inch (lb/in**2)"""
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return inches * 0.49115
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def in60_to_mb(inches):
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"""Inches of mercury @60F (inHg60) to atmospheres (atm)"""
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return inches * 33.7685
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def in60_to_atm(inches):
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"""Inches of mercury @60F (inHg60) to millibars (mb)"""
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return inches * 0.0333269
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def in60_to_lbs(inches):
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"""Inches of mercury @60F (inHg60) to pounds/square inch (lb/in**2)"""
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return inches * 0.48977
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def incConv_to_Pa(inches):
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"""
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Inches of mercury to Pascals using the NIST conventional coefficient
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:param inches: inches of mg
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:return: pascals
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"""
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return inches * 3.386389
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def incConv_to_kPa(inches):
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"""
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Inches of mercury to kilo Pascals using the NIST conventional coefficient
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:param inches: inches of mg
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:return: pascals
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"""
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return incConv_to_Pa(inches) * 1000
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def mb_to_atm(mb):
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"""Millibars (mb) to atmospheres (atm)"""
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return mb * 0.000986923
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def mb_to_hpa(mb):
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"""Millibars (mb) to hectopascals (hPa)"""
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return mb
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def mb_to_in32(mb):
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"""Millibars (mb) to inches of mercury @32F (inHg60)"""
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return mb * 0.02953
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def mb_to_in60(mb):
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"""Millibars (mb) to inches of mercury @60F (inHg60)"""
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return mb * 0.02961
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def mb_to_kpa(mb):
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"""Millibars (mb) to kilopascals (kPa)"""
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return mb * 0.1
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def mb_to_mm32(mb):
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"""Millibars (mb) to millimeters of mercury @32F (mmHg)"""
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return mb * 0.75006
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def mb_to_mm60(mb):
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"""Millibars (mb) to millimeters of mercury @60F (mmHg)"""
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return mb * 0.75218
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def mb_to_n_sqm(mb):
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"""Millibars (mb) to newtons/square meter (N/m**2)"""
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return mb * 100
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def mb_to_pa(mb):
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"""Millibars (mb) to pascals (Pa)"""
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return mb * 100
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def mb_to_lb_sqft(mb):
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"""Millibars (mb) to pounds/square foot (lb/ft**2)"""
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return mb * 2.088543
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def mb_to_lb_sqin(mb):
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"""Millibars (mb) to pounds/square inch (lb/in**2)"""
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return mb * 0.0145038
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def mm32_to_mb(mm32):
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"""Millimeters of mercury @32F (mmHg) to millibars (mb)"""
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return mm32 * 1.33322
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def mm60_to_mb(mm60):
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"""Millimeters of mercury @60F (mmHg) to millibars (mb)"""
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return mm60 * 1.32947
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def n_sqm_to_mb(nsqm):
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"""Newtons/square meter (N/m**2) to millibars (mb)"""
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return nsqm * 0.01
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def pa_to_atm(pa):
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"""Pascals (Pa) to atmospheres (atm)"""
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return pa * 0.000009869
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def pa_to_mb(pa):
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"""Pascals (Pa) to millibars (mb)"""
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return pa * 0.01
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def hpa_to_mb(hpa):
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"""Hectopascals (hPa) to millibars (mb)"""
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return hpa
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def kpa_to_mb(hpa):
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"""Kilopascals (kPa) to millibars (mb)"""
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return hpa * 10
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def lb_sqft_to_mb(lbs):
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"""Pounds/square foot (lb/ft**2) to millibars (mb)"""
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return lbs * 0.478803
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def lb_sqin_to_atm(lbs):
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"""Pounds/square inch (lb/in**2) to atmospheres (atm)"""
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return lbs * 0.068046
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def lb_sqin_to_mm32(lbs):
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"""Pounds/square inch (lb/in**2) to inches of mercury @32F (inHg32)"""
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return lbs * 2.03602
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def lb_sqin_to_mm60(lbs):
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"""Pounds/square inch (lb/in**2) to inches of mercury @60F (inHg60)"""
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return lbs * 2.04177
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def lb_sqin_to_mb(lbs):
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"""Pounds/square inch (lb/in**2) to millibars (mb)"""
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return lbs * 68.9474483
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def hpa_to_inches(hpa):
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return hpa / 33.87
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