Zobrazeno 1 - 10
of 175
pro vyhledávání: '"Toshihisa UEDA"'
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 86, Iss 884, Pp 19-00432-19-00432 (2020)
This study investigated experimentally a response of premixed Bunsen flame to transient change in a fuel composition and a method to control the variation. Fuel mixtures were composed of methane, ethane and propane. The volumetric fraction of methane
Externí odkaz:
https://doaj.org/article/eec0e66c01de4a4f99254b3af495bd7e
Publikováno v:
Mechanical Engineering Journal, Vol 7, Iss 1, Pp 19-00335-19-00335 (2020)
The characteristics of a medical heat and moisture exchanger with filter (HMEF) that contained polyurethane sponges and CaCl2 were investigated experimentally and model analysis was performed. Variations in the temperature and humidity were measured.
Externí odkaz:
https://doaj.org/article/3e0ccf85421a48b3bbd072aedabf6141
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 85, Iss 871, Pp 18-00379-18-00379 (2019)
The initiation mechanism and its reduction method for combustion driven oscillation of industrial boilers with a center firing gas burner have been investigated experimentally and numerically. Eight fuel injection nozzles are arranged radially at the
Externí odkaz:
https://doaj.org/article/7390071dd3134f7e8155afdb5dd4e7c2
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 84, Iss 857, Pp 17-00168-17-00168 (2018)
Flame height variations of a laminar stagnating premixed flame with gas component transition between fuel mixture A (methane:92%, ethane:6.7%, propane:1.3%) and B(methane:84%, ethane:13.3%, propane:2.7%), and between A and C (methane:76%, ethane:20.0
Externí odkaz:
https://doaj.org/article/ad6d041fb9b54d84896c5a9ded6995e8
Publikováno v:
Journal of Thermal Science and Technology, Vol 8, Iss 1, Pp 120-135 (2013)
The effect of feed flow rate of hydrogen mixture on the H2 permeation for a flat sheet Pd/Ag membrane with stagnating flow at the upstream side was investigated experimentally and theoretically. A 77wt.% Pd/23wt.% Ag flat sheet membrane with 25µm th
Externí odkaz:
https://doaj.org/article/f76bc012d6ea4086a7785d22db327b26
Publikováno v:
Journal of Thermal Science and Technology, Vol 8, Iss 1, Pp 28-43 (2013)
Responses of conical premixed methane/air mixture flames with equivalence ratio oscillations were numerically investigated at three different oscillation frequency regimes; low, medium and high (10, 50 and 150 s-1) under a rich condition. One-step an
Externí odkaz:
https://doaj.org/article/00f35a2171414f53b1767f16bbeba008
Autor:
Jun OHTANI, Takahiro SAKAMOTO, Masayoshi WADA, Hasan Mohd FAIZAL, Takeshi YOKOMORI, Toshihisa UEDA
Publikováno v:
Mechanical Engineering Journal, Vol 3, Iss 2, Pp 15-00069-15-00069 (2016)
Performance of self-sustaining methanol auto-thermal reforming (ATR) was investigated experimentally in order to elucidate a reforming reaction mechanism and a condition required for high purity H2 production for compact reformer. The reformer consis
Externí odkaz:
https://doaj.org/article/1a216c4aafb34763a8e179dbae434c6a
Publikováno v:
Journal of Thermal Science and Technology, Vol 7, Iss 1, Pp 135-150 (2012)
The performance of high purity hydrogen production from methanol for a compact steam reformer with a hydrogen purification membrane was investigated experimentally. A 77 wt.% Pd/23 wt.% Ag membrane with 25µm thickness and CuO/ZnO/ Al2O3 catalyst wer
Externí odkaz:
https://doaj.org/article/e1f362eb77eb4f4b96fce1fa07cad2e3
Publikováno v:
Journal of Thermal Science and Technology, Vol 7, Iss 1, Pp 16-30 (2012)
Responses of the premixed methane/air mixture flames under equivalence ratio oscillations were numerically investigated assuming axi-symmetric stagnation flow fields. The flame motion was numerically investigated at three different oscillation freque
Externí odkaz:
https://doaj.org/article/82747da87192441cb4d45ba69daecdfa
Autor:
Sotaro MIYAMAE, Abdul Rahman Mohd ROSDZIMIN, Hisashi TOMITA, Takeshi YOKOMORI, Toshihisa UEDA
Publikováno v:
Mechanical Engineering Journal, Vol 1, Iss 6, Pp TEP0060-TEP0060 (2014)
Responses of stagnating laminar methane/air premixed flames under fuel concentration oscillation, i.c., equivalence ratio oscillation, were numerically investigated using a one-step overall reaction mechanism and a four-step reaction mechanism that i
Externí odkaz:
https://doaj.org/article/f7498cbbde994a20a8fcdb89df214cfd