Table 3. Exploration of thermal removal... | Emerald Publishing

Table 3.

Exploration of thermal removal efficiency under different boundary conditions with semi-transverse and full-transverse ventilation systems

No.	Tunnelheight: m	HRR:MW	Exhaustrate $Q_{exhaust} : m^{3} / s$	Natural supplyrate: $m^{3} / s$	Cyclicspace: m	SFTL: m	Forced supply rate equal to minimum semi-transverse natural:air-makeup rate $: m^{3} / s$	$η$	$ξ$
1	5.2	3	3.6	18–24	$- 240 to 240$	359	0	0.825	0.175
2	5.2	11.5	6.8	31.5	$- 240 to 240$	464	0	0.955	0.045
3	5.2	20	10	44.4	$- 240 to 240$	445	0	0.944	0.056
4	5.6	11.5	3.6	22.3	$- 320 to 320$	628	0	1.006	−0.006
5	5.6	20	6.8	34.5	$- 300 to 300$	575	0	0.974	0.026
6	5.6	3	10	32.383	$- 140 to 140$	255	0	0.656	0.344
7	6	20	3.6	26.43	NULL	787	0	1.012	−0.012
8	6	3	6.8	25–35	$- 240 to 240$	294	0	0.773	0.227
9	6	11.5	10	44–51	$- 260 to 260$	432	0	0.880	0.12
S1	5.2	3	3.6	—	—	360	20.66	0.8274	0.1726
S2	5.2	11.5	6.8	—	—	456	31.5	0.9622	0.0378
S3	5.2	20	10	—	—	440	44.4	0.9437	0.0563
S4	5.6	11.5	3.6	—	—	614	22.3	0.9979	0.0021
S5	5.6	20	6.8	—	—	578	34.5	0.951	0.049
S6	5.6	3	10	—	—	250	32.383	0.663	0.337
S7	6	20	3.6	—	—	761	26.43	1.014	−0.014
S8	6	3	6.8	—	—	291	28.614	0.769	0.231
S9	6	11.5	10	—	—	434	44.7051	0.867	0.133

No.	Tunnelheight: m	HRR:MW	Exhaustrate $Q_{exhaust} : m^{3} / s$	Natural supplyrate: $m^{3} / s$	Cyclicspace: m	SFTL: m	Forced supply rate equal to minimum semi-transverse natural:air-makeup rate $: m^{3} / s$	$η$	$ξ$
1	5.2	3	3.6	18–24	$- 240 to 240$	359	0	0.825	0.175
2	5.2	11.5	6.8	31.5	$- 240 to 240$	464	0	0.955	0.045
3	5.2	20	10	44.4	$- 240 to 240$	445	0	0.944	0.056
4	5.6	11.5	3.6	22.3	$- 320 to 320$	628	0	1.006	−0.006
5	5.6	20	6.8	34.5	$- 300 to 300$	575	0	0.974	0.026
6	5.6	3	10	32.383	$- 140 to 140$	255	0	0.656	0.344
7	6	20	3.6	26.43	NULL	787	0	1.012	−0.012
8	6	3	6.8	25–35	$- 240 to 240$	294	0	0.773	0.227
9	6	11.5	10	44–51	$- 260 to 260$	432	0	0.880	0.12
S1	5.2	3	3.6	—	—	360	20.66	0.8274	0.1726
S2	5.2	11.5	6.8	—	—	456	31.5	0.9622	0.0378
S3	5.2	20	10	—	—	440	44.4	0.9437	0.0563
S4	5.6	11.5	3.6	—	—	614	22.3	0.9979	0.0021
S5	5.6	20	6.8	—	—	578	34.5	0.951	0.049
S6	5.6	3	10	—	—	250	32.383	0.663	0.337
S7	6	20	3.6	—	—	761	26.43	1.014	−0.014
S8	6	3	6.8	—	—	291	28.614	0.769	0.231
S9	6	11.5	10	—	—	434	44.7051	0.867	0.133