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The next variants of Reynolds number calculations are used internally: re_r, re_m, re_v, re_u. These calculations must be revealed as ordinary package functions.

Improve code factor with solving issues.

In utils family add temperature scale converters:

From Kelvin scale:

• c_k() - to Celsius
• f_k() - to Fahrenheit
• r_k() - to Rankine

From Celsius scale:

• k_c() - to Kelvin
• f_c() - to Fahrenheit
• r_c() - to Rankine

From Fahrenheit scale:

• k_f() - to Kelvin
• c_f() - to Celsius
• r_f() - to Rankine

From Rankine scale:

• k_r() - to Kelvin
• c_r() - to Celsius
• f_r() - to Fahrenheit

The next water-steam property calculations are used internally:

• Specific isobaric heat capacity - according to IAPWS R7-97(2012)
• Pressure on saturation curve - according to IAPWS R7-97(2012)
• Specific volume - according to IAPWS R7-97(2012)
• Dynamic viscosity - according to IAPWS R12-08

These calculations must be revealed as ordinary package functions.

Set min.len = 1 in every checkmate::assert_double()

Extract unit tests from Example sections of function docs to individual testthat tests.

The next Colebrook equation approximations are used internally: fric_romeo, fric_vatankhan, fric_buzelli. These approximations must be revealed as ordinary package functions.

On the basis of pdrop and tdropn restore thermal-hydraulic regime on each node of pipeline system starting from the heating origin

Use the next notation for argument description as example:

x [any]
Object to check.

lower [numeric(1)]
Lower value all elements of x must be greater than or equal to.
finite [logical(1)]
Check for only finite values? Default is FALSE.

When checking function inputs in majority of cases the lengths of input vectors should either all have the same length nor length equal to 1.

Add testthat test to increase code coverage

Make up illustration of test bench with the lack of temperature and pressure sensors

Maintain reading sinked m325tracebw.log in example

Some links to official documentation no longer work. Use official links to paid document bases.

After a year of operation without significant issues, the current version can be updated to version 1.0.0

Add prototyped m325tracebwm() for backward tracing when there is a lack of temperature and pressure sensors on terminal nodes

On the basis of tdrop and m325nhl create tdropn - normative temperature loss as a function of heat carrier