Easily calculate and compare water, steam and heat transfer fluid values

The pre­cise knowl­edge and cor­rect use of organ­ic sub­stances play a cen­tral role in the process indus­try for the long-term and cost-effi­cient oper­a­tion of plants. How­ev­er, the research of suit­able sub­stances, their com­par­i­son and cal­cu­la­tion often turns out to be labo­ri­ous in prac­tice. To make this work eas­i­er, two prac­ti­cal tools are now avail­able: the cal­cu­la­tion pro­grams “Heat Trans­fer Flu­ids” and “Water and Steam”.

The “Heat Trans­fer Flu­ids” pro­gram pro­vides mate­r­i­al val­ues of heat trans­fer flu­ids for quick and uncom­pli­cat­ed cal­cu­la­tion and com­par­i­son of the most impor­tant prop­er­ties. It con­tains both a com­plete overview of all flu­id para­me­ters and pre­de­fined flu­id groups for com­par­ing indi­vid­ual prop­er­ties in detail. The spe­cial fea­ture of the pro­gram is that all sub­stance val­ues are cal­cu­lat­ed exclu­sive­ly using pre­cise approx­i­ma­tion func­tions, which can be con­ve­nient­ly inte­grat­ed into your own cal­cu­la­tions. In addi­tion to cur­rent flu­ids, flu­ids that are no longer avail­able are also includ­ed to facil­i­tate the search for suit­able suc­ces­sor prod­ucts with com­pa­ra­ble properties.

The pro­gram pro­vides water and vapor val­ues for the most com­mon indus­tri­al appli­ca­tions up to 1000 bar or 2000°C. Cal­cu­la­tions are based on the equa­tions of the Inter­na­tion­al Asso­ci­a­tion for the Prop­er­ties of Water and Steam (IAPWS). Pres­sure and tem­per­a­ture are used as a basis — but the sub­stance val­ues can also be cal­cu­lat­ed on the sat­u­ra­tion line and in the wet steam region. This pro­gram also offers the pos­si­bil­i­ty to eas­i­ly inte­grate cal­cu­la­tion mod­ules into your own workbooks.

System requirements

Both soft­ware pro­grams were cre­at­ed with Microsoft Excel and offer cal­cu­la­tion using pure table func­tions with­out macros as well as with macros. The instal­la­tion files do not con­tain macros or pro­gram­ming. The macro tem­plates are includ­ed and can be installed option­al­ly. For the use of both pro­grams Microsoft Excel in a ver­sion from 2010 is required.

Program functions

Heat Transfer Fluids

Cal­cu­late sub­stance val­ues based on tem­per­a­ture input
Trans­fer cal­cu­la­tion mod­ules into own workbooks
Com­pare gen­er­al data to find a suit­able fluid
Com­pare mass val­ue curves of dif­fer­ent flu­ids over the entire tem­per­a­ture range
Include approx­i­ma­tion func­tions in your own work­books (all approx­i­ma­tion func­tions are includ­ed as ready-made macro templates)
Copy approx­i­ma­tion func­tions and use them in oth­er pro­grams (all func­tions are also includ­ed in text form)

Water and Steam:

Cal­cu­late sub­stance val­ues based on input data pres­sure, tem­per­a­ture and steam con­tent (option­al for wet steam)
Trans­fer cal­cu­la­tion mod­ules to own workbooks
Cal­cu­late the fol­low­ing val­ues: spe­cif­ic vol­ume, den­si­ty, spec. enthalpy, spec. evap­o­ra­tion enthalpy, spec. iso­bar­ic heat capac­i­ty, spec. iso­chor­ic heat capac­i­ty, spec. inter­nal ener­gy, spec. entropy, sound veloc­i­ty, isen­trop­ic expo­nent, iso­bar­ic cubic expan­sion coef­fi­cient, dynam­ic vis­cos­i­ty, kine­mat­ic vis­cos­i­ty, ther­mal con­duc­tiv­i­ty, Prandtl number