PT Journal AU Niklawy, W Shahin, M Amin, M Elmaihy, A TI Experimental Investigations of Injection and Combustion Parameters of a Homogeneous Charge Compression Ignition (HCCI) Engine with a Multi-Injection Common Rail System SO Communications - Scientific Letters of the University of Zilina PY 2022 BP B120 EP B134 VL 24 IS 2 DI 10.26552/com.C.2022.2.B120-B134 WP https://komunikacie.uniza.sk/artkey/csl-202202-0016.php DE HCCI; fuel line pressure; AHRR; injector activation signals; multi-injections CR system SN 13354205 AB This work experimentally investigates the most imperative parameters that control the injection and combustion processes in a multi-injection HCCI Diesel engine namely; fuel-line pressure, timing of multi-injection events and the resulting in-cylinder pressure. These parameters in addition to the heat release rates are evaluated at different engine loads and speeds over up to 42 successive cycles. The main inter-relations of these parameters are also discussed. ER