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Equal orifices will produce equal flows from a single source only if the sum of flow resistance, exit pressure, and tube exit height are the same for the three tubes(three terms from fluid equation). Sizing the orifice to waste a large portion of the source pressure could overcome much of the...

jbartos, thanks for reply. Identified a few different series having 20ga pin and for 20 ga wire, the most economical seems to be a MIL-C-26482 series 2 (insert arrangement 20-41) connector using MIL-C-39029/9-132 copper pins, MIL-C-39029/9-133 constantan pins, MIL-C-39029/10-138 copper sockets...

don01, thanks for the reply. Thought of using a terminal strip but this connection needs to be disconnected and reconnected with minimum time and debug. The MS connecter I refered to is a circular pin and socket type common to military and aerospace, they provide a good degree of environmental...

Have an application where 20 thermocouple extensions need to be connected in a small area (individual wires bundled together), thinking of using an MS style connector with TC alloy pins and sockets (Copper and Constantan). looking for prior experiences in multiple TC connectors; the good, the...

Am new to thermographic techniques and need to determine temperature profile of side wall and tread of moving tire. How fast and to what resolution can a small portable system operate (what are the trade offs between system cost and opetrating speed/resolution). Are systems available that will...

looking for posted temperature pressure charts for R12, R502, R134a, R22 (and replacements). has anybody found a site with verified charts.

looking for posted temperature pressure charts for R12, R502, R134a, R22 (and replacements). has anybody found a site with verified charts.

My work involves an environmental test chamber (hot, cold & humidity, the issue I have is during cold tests (-20°F or so) the evaporators frost up from traffic into and out of the chamber (reducing performance of the refrigeration system). Looking for information on evaporator de-rating as ice...

My work involves an environmental test chamber (hot, cold & humidity, the issue I have is during cold tests (-20°F or so) the evaporators frost up from traffic into and out of the chamber (reducing performance of the refrigeration system). Looking for information on evaporator de-rating as ice...

My work involves an environmental test chamber (hot, cold & humidity, the issue I have is during cold tests (-20°F or so) the evaporators frost up from traffic into and out of the chamber (reducing performance of the refrigeration system). Looking for information on evaporator de-rating as ice...

I have heard that cycling (changing temprature and humidity) during a corrosion test acts to accelerate the effect. If so are the change rates critical (will the same effect be observed with a rapid transistion as with a slower transition).