Rahimi Asiabaraki, H. (2014). Investigation of Geometry and Material Properties Effects on the Performance of Intake Manifold. [MSc Thesis, Department of Mechanical Engineering, Khajeh Nasir al-Din Toosi University of Technology, Tehran, Iran].
 Mohammadebrahim, A. (2016). Investigation of the in-cylinder swirl flow measurement methods and comparison between them in a cylinder head. The Journal of Engine Research
(42), 51-58. http://engineresearch.ir/article-1-562-en.html
 Mohammadebrahim, A., Shafiei, B., & Kazemzadeh Hannani, S. (2012). Numerical simulation of in-cylinder tumble flow field measurements and comparison to experimental results. The Journal of Engine Research
(Spring 2012), 11-19. http://engineresearch.ir/article-1-283-en.pdf
 Li, Y., Liu, S., Shi, S.-X., & Xu, Z. (2000). Effect of the swirl control valve on the in-cylinder air motion in a four-valve SI engine. Journal of Fuels and Lubricants, SAE Transactions
(4), 2223-2232. https://doi.org/10.4271/2000-01-2058
 Zhang, K., Chang, Y., Xie, Z., Sun, T., & Chen, F. (2019). Effect of intake swirl on combustion performance in an unthrottled spark ignition engine. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering
(5), 1269-1279. https://doi.org/10.1177/0954407018769172
 Abdalla, A. N., Bakar, R. A., Tao, H., Ramasamy, D., Kadirgama, K., Fooj, B., Tarlochan, F., & Sivaraos, S. (2020). Effect of swirl at intake manifold on engine performance using ethanol fuel blend. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects
(1), 73-88. https://doi.org/10.1080/15567036.2019.1587056
 Chang, H.-T., Huang, C.-W., Lin, K.-H., & Hu, W.-C. (2013). Effects of Intake System with Swirl and Tumble Valve on the Combustion in a Small Four Stroke Engine. JSAE/SAE 2013 Small Engine Technology Conference, Taipei, Taiwan. https://trid. trb.org/view/1829354
 Lee, S., Tong, K., Quay, B. D., Zello, J. V., & Santavicca, D. A. (2000). Effects of swirl and tumble on mixture preparation during cold start of a gasoline direct-injection engine. Journal of Engines, SAE Transactions
(3), 1783-1796. https://doi.org/10.4271/2000-01-1900
 Nagayama, I., Araki, Y., & Iioka, Y. (1977). Effects of swirl and squish on SI engine combustion and emission. SAE transactions
(2), 990-999. https://doi.org/10.4271/770217
 Kaplan, M. (2019). Influence of swirl, tumble and squish flows on combustion characteristics and emissions in internal combustion engine- review. International Journal of Automotive Engineering and Technologies
 Han, B.-H., Suh, J.-W., & Kim, W.-T. (1991). Effects of In-Cylinder Swirl on Part Load Performance and Combustion Characteristics in a SI Engine. International Pacific Conference on Automotive Engineering, Seoul, South Korea.
 Kang, K. Y., & Reitz, R. D. (1999). The effect of intake valve alignment on swirl generation in a DI diesel engine. Experimental Thermal and Fluid Science, 20(2), 94-103. https://doi.org/10.1016/S0894-1777(99)00034-5
 Pipitone, E., & Mancuso, U. (2005). An experimental investigation of two different methods for swirl induction in a multivalve engine. International Journal of Engine Research
 Ghazikhani, M., & Borjian, S. (2004). Evaluation of the amount of rotation of the flow inside the cylinder chamber of a diesel engine by a rotary gauge. International Journal of Engineering Science
(3), 143-155. https://www.sid.ir/fa/journal/ViewPaper.aspx?ID= 55740
 Xu, H. (2001). Some critical technical issues on the steady flow testing of cylinder heads. SAE 2001 World Congress, Detroit, Michigan.