Commissioning and operation of the horizontal test apparatus at SNS

B. DeGraff; M. Doleans; B. Hannah; M. Howell; S. Kim; T. Neustadt; J. Saunders

doi:10.1088/1757-899X/101/1/012021

Commissioning and operation of the horizontal test apparatus at SNS

B. DeGraff
, M. Doleans
, B. Hannah
, M. Howell
, S. Kim
, T. Neustadt
, J. Saunders

Front End Systems

Research output: Contribution to journal › Conference article › peer-review

Abstract

The Spallation Neutron Source (SNS) at Oak Ridge National Lab (ORNL) has built, commissioned and operated a Horizontal Test Apparatus (HTA) vessel in the Radiofrequency Test Facility (RFTF) test cave. It can be operated at 4.5 K using the independent Cryogenic Test Facility (CTF). The HTA is designed to be a single cavity version of an SNS cryomodule with the ability to demount and replace the cavity. It provides the functionality for testing a single dressed SNS medium or high beta Superconducting Radiofrequency (SRF) cavity. The HTA is currently being used in support of R&D for in-situ plasma processing of the cavity's inner niobium surface. The design and commissioning of the HTA at 4.5 K will be presented as well as results from operating the HTA including cool-down, warm-up and steady state operations. Results from plasma processing a warm SCRF cavity in-between cold HTA tests will also be reported.

Original language	English
Article number	012021
Journal	IOP Conference Series: Materials Science and Engineering
Volume	101
Issue number	1
DOIs	https://doi.org/10.1088/1757-899X/101/1/012021
State	Published - Dec 18 2015
Event	2015 Joint Cryogenic Engineering and International Cryogenic Materials Conferences, CEC/ICMC 2015 - Tucson, United States Duration: Jun 28 2015 → Jul 2 2015

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title = "Commissioning and operation of the horizontal test apparatus at SNS",

abstract = "The Spallation Neutron Source (SNS) at Oak Ridge National Lab (ORNL) has built, commissioned and operated a Horizontal Test Apparatus (HTA) vessel in the Radiofrequency Test Facility (RFTF) test cave. It can be operated at 4.5 K using the independent Cryogenic Test Facility (CTF). The HTA is designed to be a single cavity version of an SNS cryomodule with the ability to demount and replace the cavity. It provides the functionality for testing a single dressed SNS medium or high beta Superconducting Radiofrequency (SRF) cavity. The HTA is currently being used in support of R\&D for in-situ plasma processing of the cavity's inner niobium surface. The design and commissioning of the HTA at 4.5 K will be presented as well as results from operating the HTA including cool-down, warm-up and steady state operations. Results from plasma processing a warm SCRF cavity in-between cold HTA tests will also be reported.",

author = "B. DeGraff and M. Doleans and B. Hannah and M. Howell and S. Kim and T. Neustadt and J. Saunders",

year = "2015",

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doi = "10.1088/1757-899X/101/1/012021",

language = "English",

volume = "101",

journal = "IOP Conference Series: Materials Science and Engineering",

issn = "1757-8981",

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note = "2015 Joint Cryogenic Engineering and International Cryogenic Materials Conferences, CEC/ICMC 2015 ; Conference date: 28-06-2015 Through 02-07-2015",

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T1 - Commissioning and operation of the horizontal test apparatus at SNS

AU - DeGraff, B.

AU - Doleans, M.

AU - Hannah, B.

AU - Howell, M.

AU - Kim, S.

AU - Neustadt, T.

AU - Saunders, J.

PY - 2015/12/18

Y1 - 2015/12/18

N2 - The Spallation Neutron Source (SNS) at Oak Ridge National Lab (ORNL) has built, commissioned and operated a Horizontal Test Apparatus (HTA) vessel in the Radiofrequency Test Facility (RFTF) test cave. It can be operated at 4.5 K using the independent Cryogenic Test Facility (CTF). The HTA is designed to be a single cavity version of an SNS cryomodule with the ability to demount and replace the cavity. It provides the functionality for testing a single dressed SNS medium or high beta Superconducting Radiofrequency (SRF) cavity. The HTA is currently being used in support of R&D for in-situ plasma processing of the cavity's inner niobium surface. The design and commissioning of the HTA at 4.5 K will be presented as well as results from operating the HTA including cool-down, warm-up and steady state operations. Results from plasma processing a warm SCRF cavity in-between cold HTA tests will also be reported.

AB - The Spallation Neutron Source (SNS) at Oak Ridge National Lab (ORNL) has built, commissioned and operated a Horizontal Test Apparatus (HTA) vessel in the Radiofrequency Test Facility (RFTF) test cave. It can be operated at 4.5 K using the independent Cryogenic Test Facility (CTF). The HTA is designed to be a single cavity version of an SNS cryomodule with the ability to demount and replace the cavity. It provides the functionality for testing a single dressed SNS medium or high beta Superconducting Radiofrequency (SRF) cavity. The HTA is currently being used in support of R&D for in-situ plasma processing of the cavity's inner niobium surface. The design and commissioning of the HTA at 4.5 K will be presented as well as results from operating the HTA including cool-down, warm-up and steady state operations. Results from plasma processing a warm SCRF cavity in-between cold HTA tests will also be reported.

UR - https://www.scopus.com/pages/publications/84959890663

U2 - 10.1088/1757-899X/101/1/012021

DO - 10.1088/1757-899X/101/1/012021

M3 - Conference article

AN - SCOPUS:84959890663

SN - 1757-8981

VL - 101

JO - IOP Conference Series: Materials Science and Engineering

JF - IOP Conference Series: Materials Science and Engineering

IS - 1

M1 - 012021

T2 - 2015 Joint Cryogenic Engineering and International Cryogenic Materials Conferences, CEC/ICMC 2015

Y2 - 28 June 2015 through 2 July 2015

ER -

Commissioning and operation of the horizontal test apparatus at SNS

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