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

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.

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

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

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.

Improve code factor with solving issues.

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.

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.

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

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

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

Add testthat test to increase code coverage

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

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.

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