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Adiabatic insulation calculations – Quick calculation method for Doln (Do/Di) ------------------------------------------------------------------------------------------------- At the request of the forum, this section only provides an introduction to the software’s functions, including links for downloading the development standards and documentation. Anyone with comments on the software’s functions, suggestions regarding its use, or ideas for additional features can post them below this thread. ------------------------------------------------------------------------------------------------ Main functions of the Yisuanbao app: 1. Engineering calculations: It offers hundreds of engineering calculation tools for industries such as petroleum, chemicals, power generation, machinery, and equipment； 2. Sheet metal calculation: Unfolding calculations for over 130 common sheet metal parts ； 3. Books: A collection of standards, documents, and books – up to thousands in number – that can be accessed anytime, anywhere ； 4. Equipment manufacturers: Thousands of equipment manufacturers, classified by device type to facilitate engineers in finding devices, searching for device parameters, viewing manufacturer information, and obtaining support from the manufacturers’ technical staff ； 5. Design institutes: Collect information on hundreds of design institutes across the country ； 6. Environmental protection topics: Flue gas desulfurization, flue gas denitration – list of manufacturers and equipment specific to these industries ； ------------------------------------------------------------------------------------------------- I. Function: After calculating the Doln (Do/Di) value according to the specifications, it is difficult to obtain the result manually; this calculation method uses iterative approaches to facilitate users in obtaining the result. Given the outer diameter Di of the pipe and Doln (Do/Di), determine the outer diameter Do of the insulation layer and the thickness δ of the thermal insulation. Reminder: For dimensional values, many standards convert the units of and δ to facilitate user use. When performing calculations, note that the value is obtained by using D0 and Di in meters; therefore, choose meters as the unit ； The value is calculated as the excess amount from D0 and Di, with the unit being mm; please select mm as the unit ； Software interface------------------------------------------------------------------------------------------------