Evaluation of performance parameters of indigenously developed roots pumping system

14th International Symposium on Advanced Materials

Maqsood, M.^1 ; Usman, A.^1 ; Bodla, M.F.^1,2 ; Ali, J.^1,3

National Institute of Vacuum Science and Technology, NCP-Complex, Shahdara Road, Islamabad, Pakistan^1

Department of Physics, Allama Iqbal Open University, Islamabad, Pakistan^2

Hazara University, Mansehra, Pakistan^3

关键词: Performance parameters;    Pumping speed;    Pumping systems;    Roots pump;    Working temperatures;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/146/1/012047/pdf
DOI  :  10.1088/1757-899X/146/1/012047

来源: IOP

【 摘 要 】

Roots pumping systems are widely used in industries to generate vacuum with high pumping speed. In the present work, the performance parameters of indigenously developed Roots pumping system have been studied. The performance parameters being studied are the ultimate pressure, working temperature, compression ratio and pumping speed. Ultimate pressure of the Roots pump after continuous running of eight hours is found to be 1.1x10-3mbar. The most important parameter of the roots pump is the zero-gas flow compression Ratio (Ko) which is found to be 18 for the pumping system under study. Efficiency of Roots pump is found to be 76% which is in good agreement as reported in the literature.