Evaluation of Non-Aqueous Propylene Glycol as an Engine Coolant for Heavy Duty Diesel Engines

Coughenour, G. E.; Hwang, Long-Kung

doi:10.4271/930584

Cited by 2 publications

(1 citation statement)

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“…The development trend of engine energy saving technology is to improve the engine operating temperature, so as to improve the efficiency and performance of the engine. Anhydrous coolant with its characteristics of high boiling point is attracting more and more attentions [1][2][3]. Due to the high boiling point, anhydrous coolant can rise the cooling system temperature without increasing the pressure, so that the preheating time is shortened and the fuel is saved.…”

Section: Introductionmentioning

confidence: 99%

Optimization of Anhydrous Coolant’s Base Fluid and the Evaluation of Low Temperature Performance

Chen¹,

Gao²,

Leng³

et al. 2014

AMM

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The low-temperature viscosity of anhydrous coolant is reduced by adding ethylene glycol to the propylene glycol base fluid, and the evaluation method of low-temperature fluidity is also studied. The experimental results show that the low-temperature fluidity of anhydrous coolant can be greatly improved by the participating of ethylene glycol. Freezing point method is usually used for measuring the low temperature performance of coolant, but for “long icing process” anhydrous coolant, beginning-crystal point shows more practical reference value. Therefore, freezing point, beginning-crystal point and low-temperature fluidity should be considered at the same time when evaluation the low temperature performance of anhydrous coolant.

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Section: Introductionmentioning

confidence: 99%