Performance of a single turn pulsating heat pipe at varying gravity -- Free convection from isothermally heated hollow tube with annular fins -- Chaotic dynamics of fluid conveying pipe -- Study of Flow Distribution in the Falling Film Evaporator Manifold -- Effect of core geometrical characteristics on performance and pressure drop of rotary regenerator -- CFD Analysis of Heat Transfer Coefficient and Pressure Drop in a Shell and Tube Heat Exchanger for Various Baffle Angles -- A study on indoor air quality of air-conditioning system using duct insulation and filters for industrial applications -- Maximization of Compressive Strength of Fused Deposition Modeled Antibacterial Polylactic Acid by Taguchi Method -- Analysis of drivers and barriers in green supply chain management using fuzzy AHP and fuzzy TOPSIS approach -- Parametric Optimization of LPG Refrigeration System using Artificial Bee Colony algorithm -- A Generalized Oppositional Differential Evolution Algorithm for parameter extractionof different Photovoltaic models -- Analysis of Community Engagement on Social Networking Site during Kerala Floods 2018 -- Optimization of Performance Characteristic of Electrical Discharge Machining of Beryllium Copper Alloy by Hybrid Optimization Method.