Thermomechanical analysis of boron particle combustion in oxidizing atmospheres

Jian Fei Xi; Jian Zhong Liu; Wei Juan Yang; Yang Wang; Wen Ao; Jun Hu Zhou; Ke Fa Cen

Thermomechanical analysis of boron particle combustion in oxidizing atmospheres

Jian Fei Xi, Jian Zhong Liu, Wei Juan Yang, Yang Wang, Wen Ao, Jun Hu Zhou, Ke Fa Cen

Zhejiang University

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

A series of calculations of B/O and B/C/H/O system thermal equilibrium were conducted based on the Gibbs principle of minimum free energy. Some results were obtained. In B/O system, when B/O mole ratio is 2:3, the main gas phase boron contained products turn from B ₂O ₃(g) to BO(g) and BO ₂(g) with the rise of temperature. Improving the environmental pressure helps to increase the heat release of boron combustion. When the temperature is kept at 2400 K, B ₂O ₃ (g) and BO ₂ are the main products in poor fuel condition while B ₂O ₂(g), BO(g) and B ₂O ₂(g) are the major products in rich fuel condition. As to B/C/H/O system, B/G/H/O mole ratio is settled to be 2:1:2:6. The main combustion products are HBO ₂(g), GO ₂(g), H ₂O and B ₂O ₃ (g) when environmental temperature is relatively low and when ambient temperature rises, the major combustion products are GO (g), BO(g) and so on. It shows that high temperature is unfavorable for heat release of boron combustion. Like B/O system, improving the environmental pressure helps to increase the heat release of B/G/H/O system combustion. When the temperature is kept at 2400 K, HBO ₂ (g), B ₂O ₃ and BO ₂(g) are the main products in poor fuel condition while B ₂O ₃ (g), B ₂O ₂ (g), BO(g) and HBO(g) are the main products in rich fuel condition.

Original language	English
Pages (from-to)	73-78
Number of pages	6
Journal	Guti Huojian Jishu/Journal of Solid Rocket Technology
Volume	35
Issue number	1
State	Published - Feb 2012
Externally published	Yes

Keywords

Boron combustion
FactSage
Mole ratio
Pressure
Temperature
Thermodynamics

Cite this

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title = "Thermomechanical analysis of boron particle combustion in oxidizing atmospheres",

abstract = "A series of calculations of B/O and B/C/H/O system thermal equilibrium were conducted based on the Gibbs principle of minimum free energy. Some results were obtained. In B/O system, when B/O mole ratio is 2:3, the main gas phase boron contained products turn from B 2O 3(g) to BO(g) and BO 2(g) with the rise of temperature. Improving the environmental pressure helps to increase the heat release of boron combustion. When the temperature is kept at 2400 K, B 2O 3 (g) and BO 2 are the main products in poor fuel condition while B 2O 2(g), BO(g) and B 2O 2(g) are the major products in rich fuel condition. As to B/C/H/O system, B/G/H/O mole ratio is settled to be 2:1:2:6. The main combustion products are HBO 2(g), GO 2(g), H 2O and B 2O 3 (g) when environmental temperature is relatively low and when ambient temperature rises, the major combustion products are GO (g), BO(g) and so on. It shows that high temperature is unfavorable for heat release of boron combustion. Like B/O system, improving the environmental pressure helps to increase the heat release of B/G/H/O system combustion. When the temperature is kept at 2400 K, HBO 2 (g), B 2O 3 and BO 2(g) are the main products in poor fuel condition while B 2O 3 (g), B 2O 2 (g), BO(g) and HBO(g) are the main products in rich fuel condition.",

keywords = "Boron combustion, FactSage, Mole ratio, Pressure, Temperature, Thermodynamics",

author = "Xi, {Jian Fei} and Liu, {Jian Zhong} and Yang, {Wei Juan} and Yang Wang and Wen Ao and Zhou, {Jun Hu} and Cen, {Ke Fa}",

year = "2012",

month = feb,

language = "英语",

volume = "35",

pages = "73--78",

journal = "Guti Huojian Jishu/Journal of Solid Rocket Technology",

issn = "1006-2793",

publisher = "Journal of Solid Rocket Technology",

number = "1",

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TY - JOUR

T1 - Thermomechanical analysis of boron particle combustion in oxidizing atmospheres

AU - Xi, Jian Fei

AU - Liu, Jian Zhong

AU - Yang, Wei Juan

AU - Wang, Yang

AU - Ao, Wen

AU - Zhou, Jun Hu

AU - Cen, Ke Fa

PY - 2012/2

Y1 - 2012/2

N2 - A series of calculations of B/O and B/C/H/O system thermal equilibrium were conducted based on the Gibbs principle of minimum free energy. Some results were obtained. In B/O system, when B/O mole ratio is 2:3, the main gas phase boron contained products turn from B 2O 3(g) to BO(g) and BO 2(g) with the rise of temperature. Improving the environmental pressure helps to increase the heat release of boron combustion. When the temperature is kept at 2400 K, B 2O 3 (g) and BO 2 are the main products in poor fuel condition while B 2O 2(g), BO(g) and B 2O 2(g) are the major products in rich fuel condition. As to B/C/H/O system, B/G/H/O mole ratio is settled to be 2:1:2:6. The main combustion products are HBO 2(g), GO 2(g), H 2O and B 2O 3 (g) when environmental temperature is relatively low and when ambient temperature rises, the major combustion products are GO (g), BO(g) and so on. It shows that high temperature is unfavorable for heat release of boron combustion. Like B/O system, improving the environmental pressure helps to increase the heat release of B/G/H/O system combustion. When the temperature is kept at 2400 K, HBO 2 (g), B 2O 3 and BO 2(g) are the main products in poor fuel condition while B 2O 3 (g), B 2O 2 (g), BO(g) and HBO(g) are the main products in rich fuel condition.

AB - A series of calculations of B/O and B/C/H/O system thermal equilibrium were conducted based on the Gibbs principle of minimum free energy. Some results were obtained. In B/O system, when B/O mole ratio is 2:3, the main gas phase boron contained products turn from B 2O 3(g) to BO(g) and BO 2(g) with the rise of temperature. Improving the environmental pressure helps to increase the heat release of boron combustion. When the temperature is kept at 2400 K, B 2O 3 (g) and BO 2 are the main products in poor fuel condition while B 2O 2(g), BO(g) and B 2O 2(g) are the major products in rich fuel condition. As to B/C/H/O system, B/G/H/O mole ratio is settled to be 2:1:2:6. The main combustion products are HBO 2(g), GO 2(g), H 2O and B 2O 3 (g) when environmental temperature is relatively low and when ambient temperature rises, the major combustion products are GO (g), BO(g) and so on. It shows that high temperature is unfavorable for heat release of boron combustion. Like B/O system, improving the environmental pressure helps to increase the heat release of B/G/H/O system combustion. When the temperature is kept at 2400 K, HBO 2 (g), B 2O 3 and BO 2(g) are the main products in poor fuel condition while B 2O 3 (g), B 2O 2 (g), BO(g) and HBO(g) are the main products in rich fuel condition.

KW - Boron combustion

KW - FactSage

KW - Mole ratio

KW - Pressure

KW - Temperature

KW - Thermodynamics

UR - http://www.scopus.com/inward/record.url?scp=84860270757&partnerID=8YFLogxK

M3 - 文章

AN - SCOPUS:84860270757

SN - 1006-2793

VL - 35

SP - 73

EP - 78

JO - Guti Huojian Jishu/Journal of Solid Rocket Technology

JF - Guti Huojian Jishu/Journal of Solid Rocket Technology

IS - 1

ER -

Thermomechanical analysis of boron particle combustion in oxidizing atmospheres

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