Analysis of Starting and Operating Advantages of Vehicular Gas Turbine in Extremely Cold Plateau Environment

doi:10.12382/bgxb.2022.0044

Abstract

Abstract:

In extremely cold plateau environment, diesel engines used in the armored vehicles will encounter many problems such as long starting time, power reduction, overheating, smoking, and cylinder scratching,. According to the differences in structure and working mechanism between diesel engine and gas turbine, the influencing factors on low-temperature starting and operating process at different altitudes were compared and analyzed in detail between the two types of engines, clarifing the advantages of vehicular gas turbine ing direct cold start and stable operation on plateau. This study provides technical approaches to improve the performance of armored vehicle in cold plateau environment.

Key words: vehicle, gas turbine, extremely cold, plateau, starting

CLC Number:

TK477

XING Junwen, ZHANG Gengyun, YAO Xinmin, LI Jun, QIAO Xinyong. Analysis of Starting and Operating Advantages of Vehicular Gas Turbine in Extremely Cold Plateau Environment[J]. Acta Armamentarii, 2023, 44(1): 214-221.

Figures/Tables 6

Fig.1 Autoignition temperature range of fuel

Fig.2 Boundary conditions of gas turbine flameout

Table 1 Relationship between atmospheric pressure/density and altitude[14]

海拔高度/m	相对大气压	相对空气密度
0	1.000	1.000
1000	0.881	0.903
2000	0.774	0.813
3000	0.677	0.730
4000	0.591	0.653
5000	0.514	0.583

Table 2 Relationship between atmospheric temperature/boiling point of water and altitude[14]

海拔高度/m	大气温度/℃	水沸点/℃
0	15	100
1000	8.5	97.5
2000	2.0	95.5
3000	-4.5	90.5
4000	-11.0	87.0
5000	-17.5	84.0

Fig.3 Relationship between calculated power and altitude for a diesel engine[16]

Fig.4 Relationship between power and altitude for a turboshaft engine

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