G, College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100124, China; [email protected] Department of Mechanical Engineering, Faculty of Mechanical Engineering and Ship Technologies, Gdansk University of Technologies, Narutowicza 11/12, 80-233 Gdansk, Poland; [email protected] Department of Mathematical Sciences, University of Lakki Marwat, Lakki Marwat 28420, Pakistan; [email protected] Division of Mathematics, Faculty of Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia; [email protected] Correspondence: [email protected]: Shahzad, H.; Wang, X.; Hafeez, M.B.; Shah, Z.; Alshehri, A.M. Study of Slip Effects in Reverse Roll Coating Approach Employing NonIsothermal Couple Anxiety Fluid. Coatings 2021, 11, 1249. https:// doi.org/10.3390/coatings11101249 Academic Editor: Mikhail Sheremet Received: eight September 2021 Accepted: 11 October 2021 Published: 14 OctoberAbstract: The non-isothermal couple anxiety fluid inside a reverse roll coating geometry is considered. The slip situation is viewed as in the surfaces of your rolls. To create the flow equations, the mathematical modelling is performed employing conservation of momentum, mass, and power. The LAT (lubrication approximation theory) is employed to simplify the equations. The closed form resolution for velocity, temperature, and stress gradient is obtained. Although the pressure and flow price are Chelerythrine Biological Activity obtained numerically. The impact of involved parameters on crucial physical Cabozantinib site quantities for example temperature, pressure, and stress gradient are elaborated via graphs and in tabular type. The stress and stress gradient decreases for variation on the couple anxiety parameter and velocity ratio parameter K. Though the variation with the slip parameter increases the pressure and stress gradient inside the flow geometry. Additionally, flow rate decreases for the variation from the slip parameter as fluid starts moving quickly along the roller surface. One of the most essential physical quantity which is responsible for preserving the top quality of the coating and thickness is flow rate. For variation of each the couple stress parameter as well as the slip parameter, the flow rate decreases compared to the Newtonian case, consequently the coating thickness decreases for the variation with the discussed parameter. Keyword phrases: couple strain fluid; non-isothermal flow; slip situation; heat transfer; lubrication approximation theory (LAT); reverse roll coating; shooting technique; analytic solutionPublisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations.1. Introduction The roll coating is familiar in engineering and is definitely an industrial process in which a shrill (thin) liquid layer is regularly deposited onto a movable surface (substrate). In coating industries, roll coating has attained a essential reputation from current/previous couple of years, because it is extensively made use of at industrial level. The roll components impact drastically the virtuous degree of control more than the coating layer thickness and permit fluid coating onto a internet easily . Coating is broadly involved in manufacturing of adhesive tapes, plastic films, wallpapers, magazines and books, protection of metals and fabrics, photographic films, foils, wrappings, X-ray films, magnetic records, beautification and protection of components, etc. A lot of procedures exist to attain a layer of fluid on a surface.