sae international is a global standards development and professional association with over 128,000 engineers and technical experts in mobility engineering.

ieee is the world's largest technical professional organization dedicated to advancing technology for the benefit of humanity.

aiaa is the world’s largest aerospace technical society. with nearly 30,000 individual members from 85 countries, and 95 corporate members, aiaa brings together industry, academia, and government to advance engineering and science in aviation, space, and defense.

learn more about home at ashrae.org

mdpi is a publisher of peer-reviewed, open access journals since its establishment in 1996.

free tools and information for engineering and design of technical applications.

access 160+ million publications and connect with 25+ million researchers. join for free and gain visibility by uploading your research.

the american society of civil engineers represents more than 150,000 members of the civil engineering profession in 177 countries. founded in 1852, asce is the nation’s oldest engineering society.

sci-hub website. get free access to academic journals. download research papers for free from sciencedirect, ieee, wiley, springer, nature and others