Results 51 to 60 of about 9,896 (113)

Real-vehicle Testing and Numerical Simulation of Dynamic Ventilation Characteristics of Metro Trains

Chengshi guidao jiaotong yanjiu
［Objective］The airflow variation of metro train operating in tunnels affects the air quality and ventilation efficiency within the compartments. Therefore, it is necessary to study the ventilation characteristics of metro train compartments when ...
LI Peng, LI Huimei, YANG Huagan, XU Jun, WU Yan   +4 more
doaj   +1 more source

Analisis Nomografi Suhu, Laju Penguapan dan Tekanan Udara untuk Perancangan Alat Desalinasi Tenaga Surya Dengan Pengaturan Vakum

Jurnal Sumberdaya Alam dan Lingkungan, 2017
Krisis air bersih pada beberapa tahun yang lalu melanda banyak daerah di Indonesia, sedangkan penyaluran air bersih belum mampu memenuhi kebutuhan penduduk banyak masyarakat kesulitan terlebih pada musim kemarau panjang.
Alexander Tunggul Sutan Haji, Ruslan Wirosoedarmo, Martina W Tyas   +2 more
doaj   +1 more source

Automatic control system for underground coal mine air windows based on PLC and active disturbance rejection algorithm

Meikuang Anquan
With the increase in depth of coal mining and the complexity of roadway branch extension, the requirements for air volume control quality in each underground roadway are getting higher and higher.
Xiaojuan SHI, Ziquan XIANG, Yongguang CHEN, Yong HU, Xulei FAN   +4 more
doaj   +1 more source

Rancang Bangun dan Studi Eksperimen Alat Penukar Panas untuk Memanfaatkan Energi Refrigerant Keluar Kompresor AC sebagai Pemanas Air pada ST/D=6 dengan Variasi Volume Air

Jurnal Teknik ITS, 2017
Sistem pendingin atau refrigerasi merupakan proses pelepasan kalor dari suatu substansi dengan cara penurunan temperatur dan pemindahan panas ke substansi lainnya.
Akhmad Fajrin Aminanta, Djtamiko Ichsani
doaj  

Experimental Investigation on the Discharge Performance of Separated Heat Pipe Air-conditioning Systems

Zhileng xuebao, 2020
A cold storage air-conditioning system based on separated heat pipe heat exchanger was designed, and the effect of influencing factors on the discharge performance and their response surfaces were experimentally investigated.
Liu Liyao, Mao Jinfeng, Yun Changjiang, Hou Pumin, Chen Fei   +4 more
doaj  

Influence of peats of different origins and decomposition degree on germination and early growth of Chinese cabbage

European Journal of Horticultural Science, 2012
H. Bohne, K. Kluge, Y. Amha, D. Gerhard
doaj   +1 more source

Air volume demonstration for children v1 [PDF]

, 2018
Simple 5-minute experiment to demonstrate volume of air to children.
openaire   +1 more source

Interval combined prediction of mine tunnel's air volume considering multiple influencing factors.

PLoS ONE
Continuous monitoring and accurate measurement of required air volume in mine tunnels are crucial phenomena for mine safety However, air volume fluctuates and can become unstable which can lead to biased measurement in underground environment.
Zhen Wang, Erkan Topal, Liangshan Shao, Chen Yang   +3 more
doaj   +1 more source

The influence of posture on the volume of the reserve air [PDF]

The Journal of Physiology, 1927
openaire   +2 more sources

An Electric Incinerator for Sterilization of Small Volumes of Air [PDF]

Applied Microbiology, 1958
G G, GREMILLION, L F, MILLER, G A, BODMER   +2 more
openaire   +2 more sources