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A Design of Cooling Water Jacket Structure and an Analysis of Its Coolant Flow Characteristics for a Horizontal Diesel Engine
Technical Paper
2011-01-2187
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
In order to fulfill the technical requirements of a high-efficiency low-emissions off-road horizontal diesel engine, a unique design is proposed and optimized in this paper for the cooling water jacket structure with a forced-cooling closed-loop cooling system. The cooling water flow rate, temperature, and pressure at the inlet and several other critical locations of the cooling water jacket were measured and analyzed at different engine operating conditions for the water jacket designs. A numerical simulation model of the coolant flow and the cooling system was built and used to analyze the thermal/fluid characteristics of the coolant flow in the water jacket. The impact of different structural and packaging design parameters on coolant flow and heat transfer was investigated. The design deficiency of an original (earlier) design of the water jacket was pointed out and an improved design was proposed. The cooling water jacket structure and the water pump flow rate were finally optimized.
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Lei, J., Shen, L., Bi, Y., and Chen, J., "A Design of Cooling Water Jacket Structure and an Analysis of Its Coolant Flow Characteristics for a Horizontal Diesel Engine," SAE Technical Paper 2011-01-2187, 2011, https://doi.org/10.4271/2011-01-2187.Also In
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